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documentation of fflush

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@35016 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Jesus M. Castagnetto 2000-11-01 21:55:46 +00:00
parent 7dfbb09618
commit bb70145119
1 changed files with 61 additions and 34 deletions
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95
functions/filesystem.xml
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@ -382,6 +382,33 @@ $df = diskfreespace("/"); // $df contains the number of bytes
</refsect1>
</refentry>
<refentry id="function.fflush">
<refnamediv>
<refname>fflush</refname>
<refpurpose>Flushes the output to a file</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>int <function>fflush</function></funcdef>
<paramdef>int <parameter>fp</parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
This function forces a write of all buffered output to the
to the resource pointed to by the file handle
<parameter>fp</parameter>. Returns true if succesful, false
otherwise.
</para>
<para>
The file pointer must be valid, and must point to a file
successfully opened by <function>fopen</function>,
<function>popen</function>, or <function>fsockopen</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.fgetc">
<refnamediv>
<refname>fgetc</refname>
@ -959,30 +986,30 @@ $fcontents = join ('', file ('http://www.php.net'));
<itemizedlist>
<listitem>
<simpara>
To acquire a shared lock (reader), set
<parameter>operation</parameter> to LOCK_SH (set to 1 prior to
PHP 4.0.1).
To acquire a shared lock (reader), set
<parameter>operation</parameter> to LOCK_SH (set to 1 prior to
PHP 4.0.1).
</simpara>
</listitem>
<listitem>
<simpara>
To acquire an exclusive lock (writer), set
<parameter>operation</parameter> to LOCK_EX (set to 2 prior to
PHP 4.0.1).
To acquire an exclusive lock (writer), set
<parameter>operation</parameter> to LOCK_EX (set to 2 prior to
PHP 4.0.1).
</simpara>
</listitem>
<listitem>
<simpara>
To release a lock (shared or exclusive), set
<parameter>operation</parameter> to LOCK_UN (set to 3 prior to
PHP 4.0.1).
To release a lock (shared or exclusive), set
<parameter>operation</parameter> to LOCK_UN (set to 3 prior to
PHP 4.0.1).
</simpara>
</listitem>
<listitem>
<simpara>
If you don't want <function>flock</function> to block while
locking, add LOCK_NB (4 prior to PHP 4.0.1) to
<parameter>operation</parameter>.
If you don't want <function>flock</function> to block while
locking, add LOCK_NB (4 prior to PHP 4.0.1) to
<parameter>operation</parameter>.
</simpara>
</listitem>
</itemizedlist>
@ -1068,42 +1095,42 @@ $fcontents = join ('', file ('http://www.php.net'));
<itemizedlist>
<listitem>
<simpara>
'r' - Open for reading only; place the file pointer at the
beginning of the file.
'r' - Open for reading only; place the file pointer at the
beginning of the file.
</simpara>
</listitem>
<listitem>
<simpara>
'r+' - Open for reading and writing; place the file pointer at
the beginning of the file.
'r+' - Open for reading and writing; place the file pointer at
the beginning of the file.
</simpara>
</listitem>
<listitem>
<simpara>
'w' - Open for writing only; place the file pointer at the
beginning of the file and truncate the file to zero length.
If the file does not exist, attempt to create it.
'w' - Open for writing only; place the file pointer at the
beginning of the file and truncate the file to zero length.
If the file does not exist, attempt to create it.
</simpara>
</listitem>
<listitem>
<simpara>
'w+' - Open for reading and writing; place the file pointer at
the beginning of the file and truncate the file to zero
length. If the file does not exist, attempt to create it.
'w+' - Open for reading and writing; place the file pointer at
the beginning of the file and truncate the file to zero
length. If the file does not exist, attempt to create it.
</simpara>
</listitem>
<listitem>
<simpara>
'a' - Open for writing only; place the file pointer at the end
of the file. If the file does not exist, attempt to create
it.
'a' - Open for writing only; place the file pointer at the end
of the file. If the file does not exist, attempt to create
it.
</simpara>
</listitem>
<listitem>
<simpara>
'a+' - Open for reading and writing; place the file pointer at
the end of the file. If the file does not exist, attempt to
create it.
'a+' - Open for reading and writing; place the file pointer at
the end of the file. If the file does not exist, attempt to
create it.
</simpara>
</listitem>
</itemizedlist>
@ -2392,9 +2419,9 @@ $tmpfname = tempnam ("/tmp", "FOO");
</programlisting>
</example>
</para>
<para>
See also <function>tmpfile</function>.
</para>
<para>
See also <function>tmpfile</function>.
</para>
</refsect1>
</refentry>
@ -2442,9 +2469,9 @@ $tmpfname = tempnam ("/tmp", "FOO");
<funcdef>int <function>touch</function></funcdef>
<paramdef>string <parameter>filename</parameter></paramdef>
<paramdef>int
<parameter>
<optional>time</optional>
</parameter>
<parameter>
<optional>time</optional>
</parameter>
</paramdef>
</funcprototype>
</funcsynopsis>