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<?php $str = 'http://sabirov.dlinkddns.com/catalog/amino_acids/bcaa+1000/?theme=older'; var_dump(preg_match('/\/cat2alog\//i', $str, $match)); var_dump($match);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kbUpu
function name:  (null)
number of ops:  13
compiled vars:  !0 = $str, !1 = $match
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'http%3A%2F%2Fsabirov.dlinkddns.com%2Fcatalog%2Famino_acids%2Fbcaa%2B1000%2F%3Ftheme%3Dolder'
    3     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'preg_match'
          3        SEND_VAL                                                 '%2F%5C%2Fcat2alog%5C%2F%2Fi'
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !1
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                                 
    4     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !1
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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