3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myresult=preg_match('/^[^\@]+@.*\.[a-z]{2,6}$/i', $this->request->post['email']); echo $myresult;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EiSDO
function name:  (null)
number of ops:  11
compiled vars:  !0 = $myresult
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%2F%5E%5B%5E%5C%40%5D%2B%40.%2A%5C.%5Ba-z%5D%7B2%2C6%7D%24%2Fi'
          2        FETCH_THIS                                       $1      
          3        FETCH_OBJ_R                                      ~2      $1, 'request'
          4        FETCH_OBJ_R                                      ~3      ~2, 'post'
          5        FETCH_DIM_R                                      ~4      ~3, 'email'
          6        SEND_VAL                                                 ~4
          7        DO_ICALL                                         $5      
          8        ASSIGN                                                   !0, $5
    3     9        ECHO                                                     !0
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.33 ms | 1394 KiB | 15 Q