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<?php $url = "https://mail.google.com/mail/u/1/#inbox"; $regexp = "/(https?\:\/\/)?/"; preg_match($regexp, $url, $matches); var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Xahof
function name:  (null)
number of ops:  11
compiled vars:  !0 = $url, !1 = $regexp, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'https%3A%2F%2Fmail.google.com%2Fmail%2Fu%2F1%2F%23inbox'
    3     1        ASSIGN                                                   !1, '%2F%28https%3F%5C%3A%5C%2F%5C%2F%29%3F%2F'
    5     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !2
          6        DO_ICALL                                                 
    7     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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