3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "<b>ayat</b><br /><b>ollah</b>"; echo $str; echo "\n" $str = preg_replace( "/</u", " <", $str ); echo $str; ?>
Output for 5.4.0 - 5.4.20
Parse error: syntax error, unexpected '$str' (T_VARIABLE), expecting ',' or ';' in /in/LkMs2 on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE, expecting ',' or ';' in /in/LkMs2 on line 9
Process exited with code 255.
preferences:
190.67 ms | 1395 KiB | 56 Q