3v4l.org

run code in 300+ PHP versions simultaneously
<?php $txt = ' fghssd ggggg '; if (preg_match('/([a-z])\1{2,}/', $txt)) echo 'The string is not valid';
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/Ci3iE
function name:  (null)
number of ops:  8
compiled vars:  !0 = $txt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%0Afghssd%0Aggggg%0A'
    7     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%28%5Ba-z%5D%29%5C1%7B2%2C%7D%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5      > JMPZ                                                     $2, ->7
    8     6    >   ECHO                                                     'The+string+is+not+valid'
          7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.26 ms | 1393 KiB | 15 Q