mirror of
https://github.com/sigmasternchen/php-doc-en
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84a87a7fa9
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@337283 c90b9560-bf6c-de11-be94-00142212c4b1
84 lines
2.3 KiB
XML
84 lines
2.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.preg-last-error" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>preg_last_error</refname>
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<refpurpose>Returns the error code of the last PCRE regex execution</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>int</type><methodname>preg_last_error</methodname>
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<void />
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</methodsynopsis>
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<para>
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Returns the error code of the last PCRE regex execution.
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</para>
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<para>
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<example>
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<title><function>preg_last_error</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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preg_match('/(?:\D+|<\d+>)*[!?]/', 'foobar foobar foobar');
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if (preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR) {
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print 'Backtrack limit was exhausted!';
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}
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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Backtrack limit was exhausted!
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns one of the following constants (<link
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linkend="pcre.constants">explained on their own page</link>):
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<simplelist>
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<member><constant>PREG_NO_ERROR</constant></member>
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<member><constant>PREG_INTERNAL_ERROR</constant></member>
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<member><constant>PREG_BACKTRACK_LIMIT_ERROR</constant> (see also <link
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linkend="ini.pcre.backtrack-limit">pcre.backtrack_limit</link>)</member>
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<member><constant>PREG_RECURSION_LIMIT_ERROR</constant> (see also <link
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linkend="ini.pcre.recursion-limit">pcre.recursion_limit</link>)</member>
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<member><constant>PREG_BAD_UTF8_ERROR</constant></member>
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<member><constant>PREG_BAD_UTF8_OFFSET_ERROR</constant> (since PHP 5.3.0)</member>
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<member><constant>PREG_JIT_STACKLIMIT_ERROR</constant> (since PHP 7.0.0)</member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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