3v4l.org

run code in 300+ PHP versions simultaneously
<?php $email="demo@demo.com"; $regex = '/(\.[a-z])$/'; echo preg_match($regex, $email);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/15ceg
function name:  (null)
number of ops:  8
compiled vars:  !0 = $email, !1 = $regex
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'demo%40demo.com'
    4     1        ASSIGN                                                   !1, '%2F%28%5C.%5Ba-z%5D%29%24%2F'
    5     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $4      
          6        ECHO                                                     $4
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.46 ms | 1394 KiB | 15 Q