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@ 2014-05-01T23:56:59Z

<?php
$name = 'fo"o';

echo preg_replace(
            '/[\s\(\)"\\\\]/',
            '\\\\$0',
            $name
        );

Output
Performance
VLD
References
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preg_replace: documentation ( source)

preferences:dark modelive preview

39.91 ms | 402 KiB | 5 Q