3v4l.org

run code in 300+ PHP versions simultaneously
<?php $url = "http://fotoshara.ru/images/2014/04/22/1bUSQd.jpg"; if(preg_match('/fotoshara\.ru\/images\/\d+\/\d+\/\d+\/[\w\d]+\.\w+$/', $url)) echo "cool"; else echo "bad!";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/su606
function name:  (null)
number of ops:  10
compiled vars:  !0 = $url
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'http%3A%2F%2Ffotoshara.ru%2Fimages%2F2014%2F04%2F22%2F1bUSQd.jpg'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2Ffotoshara%5C.ru%5C%2Fimages%5C%2F%5Cd%2B%5C%2F%5Cd%2B%5C%2F%5Cd%2B%5C%2F%5B%5Cw%5Cd%5D%2B%5C.%5Cw%2B%24%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5      > JMPZ                                                     $2, ->8
          6    >   ECHO                                                     'cool'
          7      > JMP                                                      ->9
    5     8    >   ECHO                                                     'bad%21'
          9    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
169.83 ms | 1398 KiB | 15 Q