3v4l.org

run code in 500+ PHP versions simultaneously
<?php $str = <<<EOF aaaBbb = CccBbb aaaDddd = CccDddd aaaEeee = CccFfff EOF; preg_match_all('/^ +\w+([A-Z][a-z]+) += +(?!\w+\1).*$/m', $str, $matches, PREG_SET_ORDER, 0); var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eOT8g
function name:  (null)
number of ops:  12
compiled vars:  !0 = $str, !1 = $matches
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '++++aaaBbb++%3D+CccBbb%0A++++aaaDddd+%3D+CccDddd%0A++++aaaEeee+%3D+CccFfff'
    9     1        INIT_FCALL                                                   'preg_match_all'
          2        SEND_VAL                                                     '%2F%5E+%2B%5Cw%2B%28%5BA-Z%5D%5Ba-z%5D%2B%29+%2B%3D+%2B%28%3F%21%5Cw%2B%5C1%29.%2A%24%2Fm'
          3        SEND_VAR                                                     !0
          4        SEND_REF                                                     !1
          5        SEND_VAL                                                     2
          6        SEND_VAL                                                     0
          7        DO_ICALL                                                     
   11     8        INIT_FCALL                                                   'var_dump'
          9        SEND_VAR                                                     !1
         10        DO_ICALL                                                     
         11      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
171.43 ms | 2564 KiB | 15 Q