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Added examples of implementations of array_keys and array_values for PHP3 users

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@32274 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Jesus M. Castagnetto 2000-09-08 18:26:03 +00:00
parent c0c98e95c2
commit 342f5abda0
1 changed files with 40 additions and 0 deletions
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40
functions/array.xml
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@ -249,6 +249,26 @@ array_keys ($array, "blue"); // returns array (0, 3, 4)
</programlisting>
</example>
</para>
<note>
<para>
This function was added to PHP4, below is an implementation for
those still using PHP3.
<example>
<title>
Implementation of <function>array_keys</function> for
PHP3 users
</title>
<programlisting role="php">
function array_keys($arr) {
$t = array();
while (list($k,$v) = each($arr))
$t[] = $k;
return $t;
}
</programlisting>
</example>
</para>
</note>
<para>
See also <function>array_values</function>.
</para>
@ -1004,6 +1024,26 @@ array_values ($array); // returns array ("XL", "gold")
</programlisting>
</example>
</para>
<note>
<para>
This function was added to PHP4, below is an implementation for
those still using PHP3.
<example>
<title>
Implementation of <function>array_values</function> for
PHP3 users
</title>
<programlisting role="php">
function array_values($arr) {
$t = array();
while (list($k,$v) = each($arr))
$t[] = $v;
return $t;
}
</programlisting>
</example>
</para>
</note>
</refsect1>
</refentry>