3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo !preg_match('/^.*@facebook$/', '710192123@facebook');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/p9sEZ
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5E.%2A%40facebook%24%2F'
          2        SEND_VAL                                                 '710192123%40facebook'
          3        DO_ICALL                                         $0      
          4        BOOL_NOT                                         ~1      $0
          5        ECHO                                                     ~1
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.71 ms | 1385 KiB | 15 Q