<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.strcasecmp" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>strcasecmp</refname>
  <refpurpose>Binary safe case-insensitive string comparison</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>int</type><methodname>strcasecmp</methodname>
   <methodparam><type>string</type><parameter>string1</parameter></methodparam>
   <methodparam><type>string</type><parameter>string2</parameter></methodparam>
  </methodsynopsis>
  <para>
   Binary safe case-insensitive string comparison.
   The comparison is not locale aware; only ASCII letters are compared in a
   case-insensitive way.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>string1</parameter></term>
     <listitem>
      <para>
       The first string
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>string2</parameter></term>
     <listitem>
      <para>
       The second string
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns <literal>-1</literal> if <parameter>string1</parameter> is less than
   <parameter>string2</parameter>; <literal>1</literal> if <parameter>string1</parameter>
   is greater than <parameter>string2</parameter>, and <literal>0</literal> if they are
   equal.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     &standard.changelog.binary-safe-string-comparison;
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>strcasecmp</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
$var1 = "Hello";
$var2 = "hello";
if (strcasecmp($var1, $var2) == 0) {
    echo '$var1 is equal to $var2 in a case-insensitive string comparison';
}
?>
]]>
    </programlisting>
   </example>   
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>strcmp</function></member>
    <member><function>preg_match</function></member>
    <member><function>substr_compare</function></member>
    <member><function>strncasecmp</function></member>
    <member><function>stristr</function></member>
    <member><function>substr</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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