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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.8 $ -->
<!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
<refentry id="function.strstr">
<refnamediv>
<refname>strstr</refname>
<refpurpose>Find first occurrence of a string</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>string</type><methodname>strstr</methodname>
<methodparam><type>string</type><parameter>haystack</parameter></methodparam>
<methodparam><type>string</type><parameter>needle</parameter></methodparam>
</methodsynopsis>
<para>
Returns part of <parameter>haystack</parameter> string from the
first occurrence of <parameter>needle</parameter> to the end of
<parameter>haystack</parameter>.
</para>
<para>
If <parameter>needle</parameter> is not found, returns &false;.
</para>
<para>
If <parameter>needle</parameter> is not a string, it is converted
to an integer and applied as the ordinal value of a character.
</para>
<note>
<para>
This function is case-sensitive. For case-insensitive searches, use
<function>stristr</function>.
</para>
</note>
<para>
<example>
<title><function>strstr</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$email = 'user@example.com';
$domain = strstr($email, '@');
echo $domain; // prints @example.com
?>
]]>
</programlisting>
</example>
</para>
<para>
<note>
<para>
If you only want to determine if a particular <parameter>needle</parameter>
occurs within <parameter>haystack</parameter>, use the faster and less memory
intensive function <function>strpos</function> instead.
</para>
</note>
</para>
<para>
<function>strstr</function> has been binary safe since PHP 4.3.0
</para>
<para>
See also <function>ereg</function>, <function>preg_match</function>,
<function>stristr</function>, <function>strpos</function>,
<function>strrchr</function>, and <function>substr</function>.
</para>
</refsect1>
</refentry>
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