<?php
$str = "Hello world. (can you hear me?)";
echo quotemeta($str);
?>
The output of the code above will be:
Hello world\. \(can you hear me\?\)
(PHP 4, PHP 5, PHP 7, PHP 8)
quotemeta — Protege los metacaracteres
Devuelve la cadena str
después de haber introducido una barra invertida (\)
delante de todos los caracteres siguientes:
stringLa cadena de entrada.
Devuelve la cadena cuyos metacaracteres han sido protegidos o
false si una cadena vacía es proporcionada en el argumento
string.
Ejemplo #1 Ejemplo con quotemeta()
<?php
var_dump(quotemeta('PHP is a popular scripting language. Fast, flexible, and pragmatic.'));
?>El ejemplo anterior mostrará :
string(69) "PHP is a popular scripting language\. Fast, flexible, and pragmatic\."
Nota: Esta función maneja strings binarios.
<?php
$str = "Hello world. (can you hear me?)";
echo quotemeta($str);
?>
The output of the code above will be:
Hello world\. \(can you hear me\?\)Took me a while to realize this was NOT the command I wanted for escaping potentially harmful characters in a string that would be used as part of a system command. Instead, I needed either escapeshellarg() (http://www.php.net/manual/en/function.escapeshellarg.php) or escapeshellcmd() (http://www.php.net/manual/en/function.escapeshellcmd.php)This function escapes characters that have special meaning in regular expressions. preg_quote() <http://php.net/manual/en/function.preg-quote.php> has similar functionality, but is more powerful since it escapes more characters (including one user-specified character).