php-doc-en/language/control-structures/break.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<sect1 xml:id="control-structures.break" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <title>break</title>
 <?phpdoc print-version-for="break"?>
 <simpara>
  <literal>break</literal> ends execution of the current
  <literal>for</literal>, <literal>foreach</literal>,
  <literal>while</literal>, <literal>do-while</literal> or
  <literal>switch</literal> structure.
 </simpara>
 <simpara>
  <literal>break</literal> accepts an optional numeric argument
  which tells it how many nested enclosing structures are to be
  broken out of. The default value is <literal>1</literal>, only
  the immediate enclosing structure is broken out of.
 </simpara>
 <para>
  <informalexample>
   <programlisting role="php">
<![CDATA[
<?php
$arr = array('one', 'two', 'three', 'four', 'stop', 'five');
foreach ($arr as $val) {
    if ($val == 'stop') {
        break;    /* You could also write 'break 1;' here. */
    }
    echo "$val<br />\n";
}

/* Using the optional argument. */

$i = 0;
while (++$i) {
    switch ($i) {
        case 5:
            echo "At 5<br />\n";
            break 1;  /* Exit only the switch. */
        case 10:
            echo "At 10; quitting<br />\n";
            break 2;  /* Exit the switch and the while. */
        default:
            break;
    }
}
?>
]]>
   </programlisting>
  </informalexample>
 </para>

</sect1>

<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->