preg-last-error-msg.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.preg-last-error-msg" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>preg_last_error_msg</refname>
  <refpurpose>Renvoie le message d'erreur de la dernière exécution de regex PCRE</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>preg_last_error_msg</methodname>
   <void />
  </methodsynopsis>
  <para>
   Renvoie le message d'erreur de la dernière exécution de regex PCRE.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Renvoie le message d'erreur en cas de succès, ou <literal>"No error"</literal> si aucune
   erreur ne s'est produite.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Exemple de <function>preg_last_error_msg</function> </title>
    <programlisting role="php">
<![CDATA[
<?php

preg_match('/(?:\D+|<\d+>)*[!?]/', 'foobar foobar foobar');

if (preg_last_error() !== PREG_NO_ERROR) {
    echo preg_last_error_msg();
}

?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Backtrack limit exhausted
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>preg_last_error</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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