3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'info@sample.com'; preg_match('/\A[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*\z/i' . e, $str);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uE42a
function name:  (null)
number of ops:  8
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'info%40sample.com'
    4     1        INIT_FCALL                                               'preg_match'
          2        FETCH_CONSTANT                                   ~2      'e'
          3        CONCAT                                           ~3      '%2F%5CA%5Ba-zA-Z0-9.%21%23%24%25%26%27%2A%2B%5C%2F%3D%3F%5E_%60%7B%7C%7D%7E-%5D%2B%40%5Ba-zA-Z0-9%5D%28%3F%3A%5Ba-zA-Z0-9-%5D%7B0%2C61%7D%5Ba-zA-Z0-9%5D%29%3F%28%3F%3A%5C.%5Ba-zA-Z0-9%5D%28%3F%3A%5Ba-zA-Z0-9-%5D%7B0%2C61%7D%5Ba-zA-Z0-9%5D%29%3F%29%2A%5Cz%2Fi', ~2
          4        SEND_VAL                                                 ~3
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
143.67 ms | 1424 KiB | 14 Q