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Egon Schmid
parent
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1 changed files with 441 additions and 167 deletions
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@ -5,7 +5,7 @@
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<refentry id="function.checkdate">
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<refnamediv>
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<refname>checkdate</refname>
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<refpurpose>validate a date/time</refpurpose>
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<refpurpose>Validate a date/time</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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@ -17,29 +17,34 @@
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</funcsynopsis>
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<para>
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Returns true if the date given is valid; otherwise returns false.
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Checks the validity of the date formed by the arguments. A date is
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considered valid if:
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Checks the validity of the date formed by the arguments. A date
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is considered valid if:
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<itemizedlist>
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<listitem><simpara>
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<listitem>
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<simpara>
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year is between 0 and 32767 inclusive
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</simpara></listitem>
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<listitem><simpara>
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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month is between 1 and 12 inclusive
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</simpara></listitem>
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<listitem><simpara>
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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day is within the allowed number of days for the given month.
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Leap years are taken into consideration.
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</simpara></listitem>
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</simpara>
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</listitem>
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</itemizedlist>
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</para>
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</refsect1>
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</refentry>
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<refentry id="function.date">
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<refnamediv>
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<refname>date</refname>
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<refpurpose>format a local time/date</refpurpose>
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<refpurpose>Format a local time/date</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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@ -55,70 +60,175 @@
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<para>
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Returns a string formatted according to the given format string
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using the given <parameter>timestamp</parameter> or the current
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local time if no timestamp is given.</para>
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local time if no timestamp is given.
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</para>
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<para>
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The following characters are recognized in the format string:
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<itemizedlist>
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<listitem><simpara>a - "am" or "pm"</simpara></listitem>
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<listitem><simpara>A - "AM" or "PM"</simpara></listitem>
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<listitem><simpara>d - day of the month, 2 digits with leading zeros; i.e. "01" to "31"</simpara></listitem>
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<listitem><simpara>D - day of the week, textual, 3 letters; i.e. "Fri"</simpara></listitem>
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<listitem><simpara>F - month, textual, long; i.e. "January"</simpara></listitem>
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<listitem><simpara>h - hour, 12-hour format; i.e. "01" to "12"</simpara></listitem>
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<listitem><simpara>H - hour, 24-hour format; i.e. "00" to "23"</simpara></listitem>
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<listitem><simpara>g - hour, 12-hour format without leading zeros; i.e. "1" to "12"</simpara></listitem>
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<listitem><simpara>G - hour, 24-hour format without leading zeros; i.e. "0" to "23"</simpara></listitem>
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<listitem><simpara>i - minutes; i.e. "00" to "59"</simpara></listitem>
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<listitem><simpara>j - day of the month without leading zeros; i.e. "1" to "31"</simpara></listitem>
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<listitem><simpara>l (lowercase 'L') - day of the week, textual, long; i.e. "Friday"</simpara></listitem>
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<listitem><simpara>L - boolean for whether it is a leap year; i.e. "0" or "1"</simpara></listitem>
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<listitem><simpara>m - month; i.e. "01" to "12"</simpara></listitem>
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<listitem><simpara>n - month without leading zeros; i.e. "1" to "12"</simpara></listitem>
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<listitem><simpara>M - month, textual, 3 letters; i.e. "Jan"</simpara></listitem>
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<listitem><simpara>s - seconds; i.e. "00" to "59"</simpara></listitem>
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<listitem><simpara>S - English ordinal suffix, textual, 2 characters; i.e. "th", "nd"</simpara></listitem>
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<listitem><simpara>t - number of days in the given month; i.e. "28" to "31"</simpara></listitem>
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<listitem><simpara>U - seconds since the epoch</simpara></listitem>
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<listitem><simpara>w - day of the week, numeric, i.e. "0" (Sunday) to "6" (Saturday)</simpara></listitem>
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<listitem><simpara>Y - year, 4 digits; i.e. "1999"</simpara></listitem>
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<listitem><simpara>y - year, 2 digits; i.e. "99"</simpara></listitem>
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<listitem><simpara>z - day of the year; i.e. "0" to "365"</simpara></listitem>
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<listitem><simpara>Z - timezone offset in seconds (i.e. "-43200" to "43200")</simpara></listitem>
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<listitem>
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<simpara>
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a - "am" or "pm"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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A - "AM" or "PM"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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d - day of the month, 2 digits with leading zeros; i.e. "01"
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to "31"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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D - day of the week, textual, 3 letters; i.e. "Fri"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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F - month, textual, long; i.e. "January"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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h - hour, 12-hour format; i.e. "01" to "12"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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H - hour, 24-hour format; i.e. "00" to "23"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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g - hour, 12-hour format without leading zeros; i.e. "1" to
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"12"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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G - hour, 24-hour format without leading zeros; i.e. "0" to
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"23"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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i - minutes; i.e. "00" to "59"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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j - day of the month without leading zeros; i.e. "1" to "31"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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l (lowercase 'L') - day of the week, textual, long;
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i.e. "Friday"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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L - boolean for whether it is a leap year; i.e. "0" or "1"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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m - month; i.e. "01" to "12"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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n - month without leading zeros; i.e. "1" to "12"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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M - month, textual, 3 letters; i.e. "Jan"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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s - seconds; i.e. "00" to "59"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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S - English ordinal suffix, textual, 2 characters; i.e. "th",
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"nd"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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t - number of days in the given month; i.e. "28" to "31"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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U - seconds since the epoch
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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w - day of the week, numeric, i.e. "0" (Sunday) to "6"
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(Saturday)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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Y - year, 4 digits; i.e. "1999"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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y - year, 2 digits; i.e. "99"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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z - day of the year; i.e. "0" to "365"
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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Z - timezone offset in seconds (i.e. "-43200" to "43200")
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</simpara>
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</listitem>
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</itemizedlist>
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Unrecognized characters in the format string will be printed as-is.
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The "Z" format will always return "0" when using <function>gmdate()</function>.
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Unrecognized characters in the format string will be printed
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as-is. The "Z" format will always return "0" when using
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<function>gmdate</function>.
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<example>
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<title><function>date</function> example</title>
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<title><function>Date</function> example</title>
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<programlisting role="php">
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print (date("l dS of F Y h:i:s A"));
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print ("July 1, 2000 is on a " . date("l", mktime(0,0,0,7,1,2000)));
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print (date ("l dS of F Y h:i:s A"));
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print ("July 1, 2000 is on a " . date ("l", mktime(0,0,0,7,1,2000)));
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</programlisting>
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</example></para>
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</example>
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</para>
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<para>
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It is possible to use <function>date</function> and
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<function>mktime</function> together to find dates in the future
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or the past.
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<example>
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<title>
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<function>date</function> and <function>mktime</function> example
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<function>Date</function> and <function>mktime</function>
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example
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</title>
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<programlisting>
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$tomorrow = mktime(0,0,0,date("m") ,date("d")+1,date("Y"));
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$lastmonth = mktime(0,0,0,date("m")-1,date("d"), date("Y"));
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$nextyear = mktime(0,0,0,date("m"), date("d"), date("Y")+1);
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$tomorrow = mktime (0,0,0,date("m") ,date("d")+1,date("Y"));
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$lastmonth = mktime (0,0,0,date("m")-1,date("d"), date("Y"));
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$nextyear = mktime (0,0,0,date("m"), date("d"), date("Y")+1);
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</programlisting>
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</example>
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</para>
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<para>
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To format dates in other languages, you should use the
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<function>setlocale</function> and <function>strftime</function>
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functions.
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</para>
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<para>
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See also <function>gmdate</function> and
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<function>mktime</function>.
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@ -126,11 +236,10 @@ $nextyear = mktime(0,0,0,date("m"), date("d"), date("Y")+1);
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</refsect1>
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</refentry>
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<refentry id="function.getdate">
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<refnamediv>
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<refname>getdate</refname>
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<refpurpose>get date/time information</refpurpose>
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<refpurpose>Get date/time information</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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@ -139,20 +248,59 @@ $nextyear = mktime(0,0,0,date("m"), date("d"), date("Y")+1);
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<paramdef>int <parameter>timestamp</parameter></paramdef>
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</funcsynopsis>
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<para>
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Returns an associative array containing the date information of the
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timestamp as the following array elements:
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Returns an associative array containing the date information of
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the timestamp as the following array elements:
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<itemizedlist>
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<listitem><simpara>"seconds" - seconds</simpara></listitem>
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<listitem><simpara>"minutes" - minutes</simpara></listitem>
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<listitem><simpara>"hours" - hours</simpara></listitem>
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<listitem><simpara>"mday" - day of the month</simpara></listitem>
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<listitem><simpara>"wday" - day of the week, numeric</simpara></listitem>
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<listitem><simpara>"mon" - month, numeric</simpara></listitem>
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<listitem><simpara>"year" - year, numeric</simpara></listitem>
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<listitem><simpara>"yday" - day of the year, numeric; i.e. "299"</simpara></listitem>
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<listitem><simpara>"weekday" - day of the week, textual, full; i.e.
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"Friday"</simpara></listitem>
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<listitem><simpara>"month" - month, textual, full; i.e. "January"</simpara></listitem>
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<listitem>
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<simpara>
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||||
"seconds" - seconds
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</simpara>
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</listitem>
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<listitem>
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<simpara>
|
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"minutes" - minutes
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</simpara>
|
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</listitem>
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<listitem>
|
||||
<simpara>
|
||||
"hours" - hours
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</simpara>
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||||
</listitem>
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<listitem>
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<simpara>
|
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"mday" - day of the month
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</simpara>
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</listitem>
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<listitem>
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<simpara>
|
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"wday" - day of the week, numeric
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</simpara>
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</listitem>
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<listitem>
|
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<simpara>
|
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"mon" - month, numeric
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</simpara>
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||||
</listitem>
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<listitem>
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||||
<simpara>
|
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"year" - year, numeric
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||||
</simpara>
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</listitem>
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<listitem>
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||||
<simpara>
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"yday" - day of the year, numeric; i.e. "299"
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||||
</simpara>
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</listitem>
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||||
<listitem>
|
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<simpara>
|
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"weekday" - day of the week, textual, full; i.e. "Friday"
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</simpara>
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||||
</listitem>
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<listitem>
|
||||
<simpara>
|
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"month" - month, textual, full; i.e. "January"
|
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</simpara>
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||||
</listitem>
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||||
</itemizedlist>
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||||
</para>
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||||
</refsect1>
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@ -161,7 +309,7 @@ $nextyear = mktime(0,0,0,date("m"), date("d"), date("Y")+1);
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<refentry id="function.gettimeofday">
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<refnamediv>
|
||||
<refname>gettimeofday</refname>
|
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<refpurpose>get current time</refpurpose>
|
||||
<refpurpose>Get current time</refpurpose>
|
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</refnamediv>
|
||||
<refsect1>
|
||||
<title>Description</title>
|
||||
|
|
@ -171,13 +319,29 @@ $nextyear = mktime(0,0,0,date("m"), date("d"), date("Y")+1);
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|||
</funcsynopsis>
|
||||
<para>
|
||||
This is an interface to gettimeofday(2). It returns an
|
||||
associative array containing the data returned from the
|
||||
system call.
|
||||
associative array containing the data returned from the system
|
||||
call.
|
||||
<itemizedlist>
|
||||
<listitem><simpara>"sec" - seconds</simpara></listitem>
|
||||
<listitem><simpara>"usec" - microseconds</simpara></listitem>
|
||||
<listitem><simpara>"minuteswest" - minutes west of Greenwich</simpara></listitem>
|
||||
<listitem><simpara>"dsttime" - type of dst correction</simpara></listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
"sec" - seconds
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
"usec" - microseconds
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
"minuteswest" - minutes west of Greenwich
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
"dsttime" - type of dst correction
|
||||
</simpara>
|
||||
</listitem>
|
||||
</itemizedlist>
|
||||
</para>
|
||||
</refsect1>
|
||||
|
|
@ -186,7 +350,7 @@ $nextyear = mktime(0,0,0,date("m"), date("d"), date("Y")+1);
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|||
<refentry id="function.gmdate">
|
||||
<refnamediv>
|
||||
<refname>gmdate</refname>
|
||||
<refpurpose>format a GMT/CUT date/time</refpurpose>
|
||||
<refpurpose>Gormat a GMT/CUT date/time</refpurpose>
|
||||
</refnamediv>
|
||||
<refsect1>
|
||||
<title>Description</title>
|
||||
|
|
@ -196,31 +360,29 @@ $nextyear = mktime(0,0,0,date("m"), date("d"), date("Y")+1);
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|||
<paramdef>int <parameter>timestamp</parameter></paramdef>
|
||||
</funcsynopsis>
|
||||
<para>
|
||||
Identical to the <function>date</function>
|
||||
function except that the time returned is Greenwich Mean Time
|
||||
(GMT). For example, when run in Finland (GMT +0200), the first
|
||||
line below prints "Jan 01 1998 00:00:00", while the second prints
|
||||
"Dec 31 1997 22:00:00".
|
||||
Identical to the <function>date</function> function except that
|
||||
the time returned is Greenwich Mean Time (GMT). For example, when
|
||||
run in Finland (GMT +0200), the first line below prints "Jan 01
|
||||
1998 00:00:00", while the second prints "Dec 31 1997 22:00:00".
|
||||
<example>
|
||||
<title><function>gmdate</function> example</title>
|
||||
<title><function>Gmdate</function> example</title>
|
||||
<programlisting role="php">
|
||||
echo date( "M d Y H:i:s",mktime(0,0,0,1,1,1998) );
|
||||
echo gmdate( "M d Y H:i:s",mktime(0,0,0,1,1,1998) );
|
||||
echo date ("M d Y H:i:s", mktime (0,0,0,1,1,1998));
|
||||
echo gmdate ("M d Y H:i:s", mktime (0,0,0,1,1,1998));
|
||||
</programlisting>
|
||||
</example>
|
||||
</para>
|
||||
<para>
|
||||
See also <function>date</function>,
|
||||
<function>mktime</function> and <function>gmmktime</function>.
|
||||
See also <function>date</function>, <function>mktime</function>,
|
||||
and <function>gmmktime</function>.
|
||||
</para>
|
||||
</refsect1>
|
||||
</refentry>
|
||||
|
||||
|
||||
<refentry id="function.gmmktime">
|
||||
<refnamediv>
|
||||
<refname>gmmktime</refname>
|
||||
<refpurpose>get UNIX timestamp for a GMT date</refpurpose>
|
||||
<refpurpose>Get UNIX timestamp for a GMT date</refpurpose>
|
||||
</refnamediv>
|
||||
<refsect1>
|
||||
<title>Description</title>
|
||||
|
|
@ -232,11 +394,13 @@ echo gmdate( "M d Y H:i:s",mktime(0,0,0,1,1,1998) );
|
|||
<paramdef>int <parameter>month</parameter></paramdef>
|
||||
<paramdef>int <parameter>day</parameter></paramdef>
|
||||
<paramdef>int <parameter>year</parameter></paramdef>
|
||||
<paramdef>int <parameter><optional>is_dst</optional></parameter></paramdef>
|
||||
<paramdef>int
|
||||
<parameter><optional>is_dst</optional></parameter>
|
||||
</paramdef>
|
||||
</funcsynopsis>
|
||||
<para>
|
||||
Identical to <function>mktime</function> except the passed parameters
|
||||
represents a GMT date.
|
||||
Identical to <function>mktime</function> except the passed
|
||||
parameters represents a GMT date.
|
||||
</para>
|
||||
</refsect1>
|
||||
</refentry>
|
||||
|
|
@ -244,7 +408,9 @@ echo gmdate( "M d Y H:i:s",mktime(0,0,0,1,1,1998) );
|
|||
<refentry id="function.gmstrftime">
|
||||
<refnamediv>
|
||||
<refname>gmstrftime</refname>
|
||||
<refpurpose>format a GMT/CUT time/date according to locale settings</refpurpose>
|
||||
<refpurpose>
|
||||
Format a GMT/CUT time/date according to locale settings
|
||||
</refpurpose>
|
||||
</refnamediv>
|
||||
<refsect1>
|
||||
<title>Description</title>
|
||||
|
|
@ -257,13 +423,14 @@ echo gmdate( "M d Y H:i:s",mktime(0,0,0,1,1,1998) );
|
|||
Behaves the same as <function>strftime</function> except that the
|
||||
time returned is Greenwich Mean Time (GMT). For example, when run
|
||||
in Eastern Standard Time (GMT -0500), the first line below prints
|
||||
"Dec 31 1998 20:00:00", while the second prints "Jan 01 1999 01:00:00".
|
||||
"Dec 31 1998 20:00:00", while the second prints "Jan 01 1999
|
||||
01:00:00".
|
||||
<example>
|
||||
<title><function>gmstrftime</function> example</title>
|
||||
<title><function>Gmstrftime</function> example</title>
|
||||
<programlisting role="php">
|
||||
setlocale ('LC_TIME','en_US');
|
||||
echo strftime ("%b %d %Y %H:%M:%S",mktime(20,0,0,12,31,98))."\n";
|
||||
echo gmstrftime ("%b %d %Y %H:%M:%S",mktime(20,0,0,12,31,98))."\n";
|
||||
setlocale ('LC_TIME', 'en_US');
|
||||
echo strftime ("%b %d %Y %H:%M:%S", mktime (20,0,0,12,31,98))."\n";
|
||||
echo gmstrftime ("%b %d %Y %H:%M:%S", mktime (20,0,0,12,31,98))."\n";
|
||||
</programlisting>
|
||||
</example>
|
||||
</para>
|
||||
|
|
@ -276,7 +443,8 @@ echo gmstrftime ("%b %d %Y %H:%M:%S",mktime(20,0,0,12,31,98))."\n";
|
|||
<refentry id="function.microtime">
|
||||
<refnamediv>
|
||||
<refname>microtime</refname>
|
||||
<refpurpose>return current UNIX timestamp with microseconds</refpurpose>
|
||||
<refpurpose>
|
||||
Return current UNIX timestamp with microseconds</refpurpose>
|
||||
</refnamediv>
|
||||
<refsect1>
|
||||
<title>Description</title>
|
||||
|
|
@ -300,7 +468,7 @@ echo gmstrftime ("%b %d %Y %H:%M:%S",mktime(20,0,0,12,31,98))."\n";
|
|||
<refentry id="function.mktime">
|
||||
<refnamediv>
|
||||
<refname>mktime</refname>
|
||||
<refpurpose>get UNIX timestamp for a date</refpurpose>
|
||||
<refpurpose>Get UNIX timestamp for a date</refpurpose>
|
||||
</refnamediv>
|
||||
<refsect1>
|
||||
<title>Description</title>
|
||||
|
|
@ -312,52 +480,58 @@ echo gmstrftime ("%b %d %Y %H:%M:%S",mktime(20,0,0,12,31,98))."\n";
|
|||
<paramdef>int <parameter>month</parameter></paramdef>
|
||||
<paramdef>int <parameter>day</parameter></paramdef>
|
||||
<paramdef>int <parameter>year</parameter></paramdef>
|
||||
<paramdef>int <parameter><optional>is_dst</optional></parameter></paramdef>
|
||||
<paramdef>int
|
||||
<parameter><optional>is_dst</optional></parameter>
|
||||
</paramdef>
|
||||
</funcsynopsis>
|
||||
<para>
|
||||
<emphasis>Warning:</emphasis> Note the strange order of
|
||||
arguments, which differs from the order of arguments in
|
||||
a regular UNIX mktime() call and which does not lend
|
||||
itself well to leaving out parameters from right to left
|
||||
(see below). It is a common error to mix these values up
|
||||
in a script.</para>
|
||||
arguments, which differs from the order of arguments in a regular
|
||||
UNIX mktime() call and which does not lend itself well to leaving
|
||||
out parameters from right to left (see below). It is a common
|
||||
error to mix these values up in a script.
|
||||
</para>
|
||||
<para>
|
||||
Returns the Unix timestamp corresponding to the arguments
|
||||
given. This timestamp is a long integer containing the number of
|
||||
seconds between the Unix Epoch (January 1 1970) and the time
|
||||
specified.
|
||||
</para><para>
|
||||
</para>
|
||||
<para>
|
||||
Arguments may be left out in order from right to left; any
|
||||
arguments thus omitted will be set to the current value according
|
||||
to the local date and time.
|
||||
</para><para>
|
||||
<parameter>is_dst</parameter> can be set to 1 if the time
|
||||
is during daylight savings time, 0 if it is not, or -1 (the
|
||||
default) if it is unknown whether the time is within daylight
|
||||
savings time or not.
|
||||
</para>
|
||||
<para>
|
||||
<parameter>is_dst</parameter> can be set to 1 if the time is
|
||||
during daylight savings time, 0 if it is not, or -1 (the default)
|
||||
if it is unknown whether the time is within daylight savings time
|
||||
or not.
|
||||
</para>
|
||||
<note>
|
||||
<para><parameter>is_dst</parameter> was added in 3.0.10.</para>
|
||||
<para>
|
||||
<parameter>is_dst</parameter> was added in 3.0.10.
|
||||
</para>
|
||||
</note>
|
||||
<para>
|
||||
<function>mktime</function> is useful for doing date arithmetic and
|
||||
validation, as it will automatically calculate the correct value
|
||||
for out-of-range input. For example, each of the following lines
|
||||
produces the string "Jan-01-1998".
|
||||
<function>Mktime</function> is useful for doing date arithmetic
|
||||
and validation, as it will automatically calculate the correct
|
||||
value for out-of-range input. For example, each of the following
|
||||
lines produces the string "Jan-01-1998".
|
||||
<example>
|
||||
<title><function>mktime</function> example</title>
|
||||
<title><function>Mktime</function> example</title>
|
||||
<programlisting>
|
||||
echo date( "M-d-Y", mktime(0,0,0,12,32,1997) );
|
||||
echo date( "M-d-Y", mktime(0,0,0,13,1,1997) );
|
||||
echo date( "M-d-Y", mktime(0,0,0,1,1,1998) );
|
||||
echo date( "M-d-Y", mktime(0,0,0,1,1,98) );
|
||||
echo date ("M-d-Y", mktime (0,0,0,12,32,1997));
|
||||
echo date ("M-d-Y", mktime (0,0,0,13,1,1997));
|
||||
echo date ("M-d-Y", mktime (0,0,0,1,1,1998));
|
||||
echo date ("M-d-Y", mktime (0,0,0,1,1,98));
|
||||
</programlisting>
|
||||
</example>
|
||||
<parameter>year</parameter> may be a two or four digit value, with
|
||||
values between 0-69 mapping to 2000-2069 and 70-99 to 1970-1999
|
||||
(on systems where time_t is a 32bit signed integer, as most common
|
||||
today, the valid range for <parameter>year</parameter> is somewhere
|
||||
between 1902 and 2037).
|
||||
<parameter>year</parameter> may be a two or four digit value,
|
||||
with values between 0-69 mapping to 2000-2069 and 70-99 to
|
||||
1970-1999 (on systems where time_t is a 32bit signed integer, as
|
||||
most common today, the valid range for
|
||||
<parameter>year</parameter> is somewhere between 1902 and 2037).
|
||||
</para>
|
||||
<para>
|
||||
The last day of any given month can be expressed as the "0" day
|
||||
|
|
@ -365,12 +539,12 @@ echo date( "M-d-Y", mktime(0,0,0,1,1,98) );
|
|||
will produce the string "The last day in Feb 2000 is: 29".
|
||||
<example>
|
||||
<title>Last day of next month</title>
|
||||
<programlisting>
|
||||
$lastday=mktime(0,0,0,3,0,2000);
|
||||
echo strftime("Last day in Feb 2000 is: %d",$lastday);
|
||||
<programlisting role="php">
|
||||
$lastday = mktime (0,0,0,3,0,2000);
|
||||
echo strftime ("Last day in Feb 2000 is: %d", $lastday);
|
||||
|
||||
$lastday=mktime(0,0,0,4,-31,2000);
|
||||
echo strftime("Last day in Feb 2000 is: %d",$lastday);
|
||||
$lastday = mktime (0,0,0,4,-31,2000);
|
||||
echo strftime ("Last day in Feb 2000 is: %d", $lastday);
|
||||
</programlisting>
|
||||
</example>
|
||||
</para>
|
||||
|
|
@ -396,53 +570,152 @@ echo strftime("Last day in Feb 2000 is: %d",$lastday);
|
|||
<para>
|
||||
Returns a string formatted according to the given format string
|
||||
using the given <parameter>timestamp</parameter> or the current
|
||||
local time if no timestamp is given. Month and weekday names
|
||||
and other language dependent strings respect the current locale
|
||||
set with <function>setlocale</function>.</para>
|
||||
|
||||
local time if no timestamp is given. Month and weekday names and
|
||||
other language dependent strings respect the current locale set
|
||||
with <function>setlocale</function>.
|
||||
</para>
|
||||
<para>
|
||||
The following conversion specifiers are recognized in the format string:
|
||||
The following conversion specifiers are recognized in the format
|
||||
string:
|
||||
<itemizedlist>
|
||||
<listitem><simpara>%a - abbreviated weekday name according to the current locale</simpara></listitem>
|
||||
<listitem><simpara>%A - full weekday name according to the current locale</simpara></listitem>
|
||||
<listitem><simpara>%b - abbreviated month name according to the current locale</simpara></listitem>
|
||||
<listitem><simpara>%B - full month name according to the current locale</simpara></listitem>
|
||||
<listitem><simpara>%c - preferred date and time representation for the current locale</simpara></listitem>
|
||||
<listitem><simpara>%d - day of the month as a decimal number (range 00 to 31)</simpara></listitem>
|
||||
<listitem><simpara>%H - hour as a decimal number using a 24-hour clock (range 00 to 23)</simpara></listitem>
|
||||
<listitem><simpara>%I - hour as a decimal number using a 12-hour clock (range 01 to 12)</simpara></listitem>
|
||||
<listitem><simpara>%j - day of the year as a decimal number (range 001 to 366)</simpara></listitem>
|
||||
<listitem><simpara>%m - month as a decimal number (range 1 to 12)</simpara></listitem>
|
||||
<listitem><simpara>%M - minute as a decimal number</simpara></listitem>
|
||||
<listitem><simpara>%p - either `am' or `pm' according to the given time value, or the corresponding strings for the current locale</simpara></listitem>
|
||||
<listitem><simpara>%S - second as a decimal number</simpara></listitem>
|
||||
<listitem><simpara>%U - week number of the current year as a decimal number, starting with the first Sunday as the first day of the first week</simpara></listitem>
|
||||
<listitem><simpara>%W - week number of the current year as a decimal number, starting with the first Monday as the first day of the first week</simpara></listitem>
|
||||
<listitem><simpara>%w - day of the week as a decimal, Sunday being 0</simpara></listitem>
|
||||
<listitem><simpara>%x - preferred date representation for the current locale without the time</simpara></listitem>
|
||||
<listitem><simpara>%X - preferred time representation for the current locale without the date</simpara></listitem>
|
||||
<listitem><simpara>%y - year as a decimal number without a century (range 00 to 99)</simpara></listitem>
|
||||
<listitem><simpara>%Y - year as a decimal number including the century</simpara></listitem>
|
||||
<listitem><simpara>%Z - time zone or name or abbreviation</simpara></listitem>
|
||||
<listitem><simpara>%% - a literal `%' character</simpara></listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%a - abbreviated weekday name according to the current locale
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%A - full weekday name according to the current locale
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%b - abbreviated month name according to the current locale
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%B - full month name according to the current locale
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%c - preferred date and time representation for the current
|
||||
locale
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%d - day of the month as a decimal number (range 00 to 31)
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%H - hour as a decimal number using a 24-hour clock (range 00
|
||||
to 23)
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%I - hour as a decimal number using a 12-hour clock (range 01
|
||||
to 12)
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%j - day of the year as a decimal number (range 001 to 366)
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%m - month as a decimal number (range 1 to 12)
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%M - minute as a decimal number
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%p - either `am' or `pm' according to the given time value, or
|
||||
the corresponding strings for the current locale
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%S - second as a decimal number
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%U - week number of the current year as a decimal number,
|
||||
starting with the first Sunday as the first day of the first
|
||||
week
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%W - week number of the current year as a decimal number,
|
||||
starting with the first Monday as the first day of the first
|
||||
week
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%w - day of the week as a decimal, Sunday being 0
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%x - preferred date representation for the current locale
|
||||
without the time
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%X - preferred time representation for the current locale
|
||||
without the date
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%y - year as a decimal number without a century (range 00 to
|
||||
99)
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%Y - year as a decimal number including the century
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%Z - time zone or name or abbreviation
|
||||
</simpara>
|
||||
</listitem>
|
||||
<listitem>
|
||||
<simpara>
|
||||
%% - a literal `%' character
|
||||
</simpara>
|
||||
</listitem>
|
||||
</itemizedlist>
|
||||
|
||||
<example>
|
||||
<title><function>strftime</function> example</title>
|
||||
<title><function>Strftime</function> example</title>
|
||||
<programlisting role="php">
|
||||
setlocale ("LC_TIME", "C");
|
||||
print(strftime("%A in Finnish is "));
|
||||
print (strftime ("%A in Finnish is "));
|
||||
setlocale ("LC_TIME", "fi_FI");
|
||||
print(strftime("%A, in French "));
|
||||
print (strftime ("%A, in French "));
|
||||
setlocale ("LC_TIME", "fr_CA");
|
||||
print(strftime("%A and in German "));
|
||||
print (strftime ("%A and in German "));
|
||||
setlocale ("LC_TIME", "de_DE");
|
||||
print(strftime("%A.\n"));
|
||||
print (strftime ("%A.\n"));
|
||||
</programlisting>
|
||||
</example>
|
||||
This example works if you have the respective locales installed
|
||||
in your system.</para>
|
||||
|
||||
in your system.
|
||||
</para>
|
||||
<para>
|
||||
See also <function>setlocale</function> and
|
||||
<function>mktime</function>.
|
||||
|
|
@ -453,7 +726,7 @@ print(strftime("%A.\n"));
|
|||
<refentry id="function.time">
|
||||
<refnamediv>
|
||||
<refname>time</refname>
|
||||
<refpurpose>return current UNIX timestamp</refpurpose>
|
||||
<refpurpose>Return current UNIX timestamp</refpurpose>
|
||||
</refnamediv>
|
||||
<refsect1>
|
||||
<title>Description</title>
|
||||
|
|
@ -464,7 +737,8 @@ print(strftime("%A.\n"));
|
|||
<para>
|
||||
Returns the current time measured in the number of seconds since
|
||||
the Unix Epoch (January 1 1970 00:00:00 GMT).
|
||||
</para><para>
|
||||
</para>
|
||||
<para>
|
||||
See also <function>date</function>.
|
||||
</para>
|
||||
</refsect1>
|
||||
|
|
|
|||
Loading…
Reference in a new issue