<?xml version="1.0" encoding="iso-8859-1"?>
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<section id="array.constants">
 &reftitle.constants;
 &extension.constants;
 <variablelist>
  <varlistentry>
   <term>
    <constant>CASE_LOWER</constant>
    (<link linkend="language.types.integer">integer</link>)
   </term>
   <listitem>
    <simpara>
     <constant>CASE_LOWER</constant> is used with
     <function>array_change_key_case</function> and is used to convert array
     keys to lower case. This is also the default case for
     <function>array_change_key_case</function>.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry>
   <term>
    <constant>CASE_UPPER</constant>
    (<link linkend="language.types.integer">integer</link>)
   </term>
   <listitem>
    <simpara>
     <constant>CASE_UPPER</constant> is used with
     <function>array_change_key_case</function> and is used to convert array
     keys to upper case.
    </simpara>
   </listitem>
  </varlistentry>
 </variablelist>
</section>

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