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<?php $email = 'test@0309fdadfbafdbq4e.com'; var_dump( preg_match('/^test\@(.*)\.com$/', $email, $matches), $matches );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/k7oKQ
function name:  (null)
number of ops:  11
compiled vars:  !0 = $email, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'test%400309fdadfbafdbq4e.com'
    4     1        INIT_FCALL                                               'var_dump'
    5     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAL                                                 '%2F%5Etest%5C%40%28.%2A%29%5C.com%24%2F'
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !1
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
    6     8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
    7    10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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