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<?php var_dump((bool) preg_match('/(text\html|application\/xhtml\+xml)/', strtolower("text/html; charset=UTF-8")));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZCZUp
function name:  (null)
number of ops:  12
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%28text%5Chtml%7Capplication%5C%2Fxhtml%5C%2Bxml%29%2F'
          3        INIT_FCALL                                               'strtolower'
          4        SEND_VAL                                                 'text%2Fhtml%3B+charset%3DUTF-8'
          5        DO_ICALL                                         $0      
          6        SEND_VAR                                                 $0
          7        DO_ICALL                                         $1      
          8        BOOL                                             ~2      $1
          9        SEND_VAL                                                 ~2
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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