array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'en', ), 'this' => array ( 0 => 'function.quotemeta.php', 1 => 'quotemeta', 2 => 'Quote meta characters', ), 'up' => array ( 0 => 'ref.strings.php', 1 => 'String Functions', ), 'prev' => array ( 0 => 'function.quoted-printable-encode.php', 1 => 'quoted_printable_encode', ), 'next' => array ( 0 => 'function.rtrim.php', 1 => 'rtrim', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/strings/functions/quotemeta.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

quotemeta

(PHP 4, PHP 5, PHP 7, PHP 8)

quotemeta — Quote meta characters

Description

quotemeta(string $string): string

Returns a version of str with a backslash character (\) before every character that is among these:

. \ + * ? [ ^ ] ( $ )

Parameters

string

The input string.

Return Values

Returns the string with meta characters quoted, or false if an empty string is given as string.

Examples

Example #1 quotemeta() example

<?php

var_dump(quotemeta('PHP is a popular scripting language. Fast, flexible, and pragmatic.'));
?>

The above example will output:

string(69) "PHP is a popular scripting language\. Fast, flexible, and pragmatic\."

Notes

Note: This function is binary-safe.

See Also