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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.8 $ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.str-split">
<refnamediv>
<refname>str_split</refname>
<refpurpose>Convert a string to an array</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>str_split</methodname>
<methodparam><type>string</type><parameter>string</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>split_length</parameter></methodparam>
</methodsynopsis>
<para>
Converts a string to an array.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>string</parameter></term>
<listitem>
<para>
The input string.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>split_length</parameter></term>
<listitem>
<para>
Maximum length of the chunk.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
If the optional <parameter>split_length</parameter> parameter is
specified, the returned array will be broken down into chunks with each
being <parameter>split_length</parameter> in length, otherwise each chunk
will be one character in length.
</para>
<para>
&false; is returned if <parameter>split_length</parameter> is less than 1.
If the <parameter>split_length</parameter> length exceeds the length of
<parameter>string</parameter>, the entire string is returned as the first
(and only) array element.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Example uses of <function>str_split</function></title>
<programlisting role="php">
<![CDATA[
<?php
$str = "Hello Friend";
$arr1 = str_split($str);
$arr2 = str_split($str, 3);
print_r($arr1);
print_r($arr2);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
Array
(
[0] => H
[1] => e
[2] => l
[3] => l
[4] => o
[5] =>
[6] => F
[7] => r
[8] => i
[9] => e
[10] => n
[11] => d
)
Array
(
[0] => Hel
[1] => lo
[2] => Fri
[3] => end
)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>chunk_split</function></member>
<member><function>preg_split</function></member>
<member><function>explode</function></member>
<member><function>count_chars</function></member>
<member><function>str_word_count</function></member>
<member><link linkend="control-structures.for">for</link></member>
</simplelist>
</para>
</refsect1>
</refentry>
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