3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "<form method='POST' action='" . "<?php echo \$_SERVER['PHP_SELF'];?>'>"; echo "<form method='POST' action='" . '<?php echo $_SERVER[\'PHP_SELF\'];?>\'>'; echo '<form method="POST" action="<?php echo $_SERVER[\'PHP_SELF\'];?>">';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/V4XMP
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ECHO                                                     '%3Cform+method%3D%27POST%27+action%3D%27%3C%3Fphp+echo+%24_SERVER%5B%27PHP_SELF%27%5D%3B%3F%3E%27%3E'
    6     1        ECHO                                                     '%3Cform+method%3D%27POST%27+action%3D%27%3C%3Fphp+echo+%24_SERVER%5B%27PHP_SELF%27%5D%3B%3F%3E%27%3E'
    8     2        ECHO                                                     '%3Cform+method%3D%22POST%22+action%3D%22%3C%3Fphp+echo+%24_SERVER%5B%27PHP_SELF%27%5D%3B%3F%3E%22%3E'
          3      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
146.15 ms | 1392 KiB | 13 Q