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Reworded count() a bit, and a very little bit of WS (sorry for mixing)

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@56555 c90b9560-bf6c-de11-be94-00142212c4b1
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Jeroen van Wolffelaar 2001-09-02 17:47:22 +00:00
parent 63e9bc2e15
commit a0fb1babfc
1 changed files with 18 additions and 18 deletions
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36
functions/array.xml
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@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
<!-- $Revision: 1.89 $ -->
<!-- $Revision: 1.90 $ -->
<reference id="ref.array">
<title>Array Functions</title>
<titleabbrev>Arrays</titleabbrev>
@ -1819,32 +1819,32 @@ $result = compact ("event", "nothing_here", $location_vars);
</funcsynopsis>
<para>
Returns the number of elements in <parameter>var</parameter>,
which is typically an array (since anything else will have one
element).
which is typically an <type>array</type> (since anything else will have
one element).
</para>
<para>
Returns 1 if the variable is not an array.
If <parameter>var</parameter> is not an array, <literal>1</literal> will
be returned (exception: <literal>count(&null;)</literal> equals
<literal>0</literal>).
</para>
<warning>
<para>
<function>count</function> may return 0 for a variable that
isn't set, but it may also return 0 for a variable that has
been initialized with an empty array. Use
<function>isset</function> to test if a variable is set.
</para>
</warning>
<para>
Returns 0 if the variable is not set or is an empty array.
<warning>
<para>
<function>count</function> may return 0 for a variable that
isn't set, but it may also return 0 for a variable that has
been initialized with an empty array. Use
<function>isset</function> to test if a variable is set.
</para>
</warning>
Please see the <link linkend="language.types.array">Arrays</link>
section of the manual for a detailed explanation of how arrays are
implemented and used in PHP.
</para>
<para>
Please see the <link linkend="language.types.array">Arrays</link>
section of the manual for a detailed explanation of how arrays are
implemented and used in PHP.
</para>
<para>
<example>
<title><function>count</function> example</title>
<programlisting role="php">
<!-- TODO: examples about count(null), count(false), count(object).. -->
$a[0] = 1;
$a[1] = 3;
$a[2] = 5;