php-doc-en/reference/array/functions/array-change-key-case.xml

<?xml version="1.0" encoding="iso-8859-1"?>
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  <refentry id="function.array-change-key-case">
   <refnamediv>
    <refname>array_change_key_case</refname>
    <refpurpose><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
	<09><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.</refpurpose>
   </refnamediv>
   <refsect1>
    <title><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></title>
     <methodsynopsis>
      <type>array</type><methodname>array_change_key_case</methodname>
      <methodparam><type>array</type><parameter>input</parameter></methodparam>
      <methodparam choice="opt"><type>int</type><parameter>case</parameter></methodparam>
     </methodsynopsis>
    <para>
     <function>array_change_key_case</function> <20><><EFBFBD><EFBFBD> <20><>
	 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <parameter>input</parameter> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <parameter>case</parameter>. <20><><EFBFBD> <20><><EFBFBD><EFBFBD>
	 <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>:
     be all lowercase or uppercase. The change depends
     on the last optional <constant>CASE_UPPER</constant> <20>-
	 <constant>CASE_LOWER</constant>. <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
	 <constant>CASE_LOWER</constant>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
	 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD>.
    </para>
    <example>
     <title><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <function>array_change_key_case</function></title>
     <programlisting role="php">
<![CDATA[
$input_array = array("FirSt" => 1, "SecOnd" => 4);
print_r(array_change_key_case($input_array, CASE_UPPER));
]]>
     </programlisting>
     <para>
	  <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>:
      <screen>
<![CDATA[
Array
(
    [FIRST] => 1
    [SECOND] => 2
)
]]>
      </screen>
     </para>
    </example>
   </refsect1>
  </refentry>

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