3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str1 = "3543900000133243"; $str2 = "354334494923243"; $str3 = "154334494923243"; echo preg_match("/\A/",$res); var_dump($res);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AeWFo
function name:  (null)
number of ops:  12
compiled vars:  !0 = $str1, !1 = $str2, !2 = $str3, !3 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '3543900000133243'
    4     1        ASSIGN                                                   !1, '354334494923243'
    5     2        ASSIGN                                                   !2, '154334494923243'
    8     3        INIT_FCALL                                               'preg_match'
          4        SEND_VAL                                                 '%2F%5CA%2F'
          5        SEND_VAR                                                 !3
          6        DO_ICALL                                         $7      
          7        ECHO                                                     $7
    9     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !3
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.75 ms | 1398 KiB | 17 Q