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<?php $page = "Test"; $page1 = "test"; var_dump(preg_match("/^test/", $page)); // int(0) var_dump(preg_match("/^test/", $page1)); // int(1) var_dump(preg_match("/^test/i", $page)); // int(1) var_dump(preg_match("/^test/i", $page1)); // int(1)
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5UeCu
function name:  (null)
number of ops:  31
compiled vars:  !0 = $page, !1 = $page1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Test'
    4     1        ASSIGN                                                   !1, 'test'
    5     2        INIT_FCALL                                               'var_dump'
          3        INIT_FCALL                                               'preg_match'
          4        SEND_VAL                                                 '%2F%5Etest%2F'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                                 
    6     9        INIT_FCALL                                               'var_dump'
         10        INIT_FCALL                                               'preg_match'
         11        SEND_VAL                                                 '%2F%5Etest%2F'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                         $6      
         14        SEND_VAR                                                 $6
         15        DO_ICALL                                                 
    7    16        INIT_FCALL                                               'var_dump'
         17        INIT_FCALL                                               'preg_match'
         18        SEND_VAL                                                 '%2F%5Etest%2Fi'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                         $8      
         21        SEND_VAR                                                 $8
         22        DO_ICALL                                                 
    8    23        INIT_FCALL                                               'var_dump'
         24        INIT_FCALL                                               'preg_match'
         25        SEND_VAL                                                 '%2F%5Etest%2Fi'
         26        SEND_VAR                                                 !1
         27        DO_ICALL                                         $10     
         28        SEND_VAR                                                 $10
         29        DO_ICALL                                                 
         30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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