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<?php $str = "ʪ֣ãdÅìÐÄš³·¿­ÉÁÊg¡¸Ší¿ÃÐgdÁ®›¶œ¸˜Ïg¹¥ç"; $esc = preg_replace( '~([^a-z0-9])~u','\\\$1',$str ); var_dump( $esc );
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56.81 ms | 402 KiB | 5 Q