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Remove php3 example, and see also array_key_exists()

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@129428 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Philip Olson 2003-05-30 17:10:53 +00:00
parent 11d7071ffd
commit 3a30ba206e
1 changed files with 5 additions and 28 deletions
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33
reference/array/functions/array-keys.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.5 $ -->
<!-- $Revision: 1.6 $ -->
<!-- splitted from ./en/functions/array.xml, last change in rev 1.2 -->
<refentry id="function.array-keys">
<refnamediv>
@ -29,6 +29,7 @@
<title><function>array_keys</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$array = array (0 => 100, "color" => "red");
print_r(array_keys ($array));
@ -38,6 +39,7 @@ print_r(array_keys ($array, "blue"));
$array = array ("color" => array("blue", "red", "green"),
"size" => array("small", "medium", "large"));
print_r(array_keys ($array));
?>
]]>
</programlisting>
<para>
@ -65,34 +67,9 @@ Array
</para>
</example>
</para>
<note>
<para>
This function was added to PHP 4, below is an implementation for
those still using PHP 3.
<example>
<title>
Implementation of <function>array_keys</function> for PHP 3
users
</title>
<programlisting role="php">
<![CDATA[
function array_keys ($arr, $term="") {
$t = array();
while (list($k,$v) = each($arr)) {
if ($term && $v != $term) {
continue;
}
$t[] = $k;
}
return $t;
}
]]>
</programlisting>
</example>
</para>
</note>
<para>
See also <function>array_values</function>.
See also <function>array_values</function> and
<function>array_key_exists</function>.
</para>
</refsect1>
</refentry>