3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function minimize($file) { return preg_replace('#(<\?php)\s+#S','$1 ',preg_replace('#\s*([(){}[\];,.:+<>*/%^=&?|$-])\s*#S', '$1', array_reduce(token_get_all(php_strip_whitespace($file)),function($c,$x){ static $s = [], $i=0; if ( is_string($x) ) return $c . $x; $_ = $x[1]; if ( $x[0] == 310 ) return $c . (defined($_) ? (is_bool($k=constant($_))||is_null($k)?$_:$k) : $_); if ( $x[0] == 312 ) return $c . (empty($s[$_]) ? ($s[$_] = '$_' . base_convert($i++,10,36)) : $s[$_]); if ( $x[0] == 263 ) return $c . '||'; if ( $x[0] == 265 ) return $c . '&&'; return $c . $_; }))); } minimize(__FILE__);
based on MRIZF
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Tf6nq on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/Tf6nq on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/Tf6nq on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Tf6nq on line 5
Process exited with code 255.