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<?php if (preg_match('~\.(png|gif|jpe?g|bmp)~i', "https://example.com/test.png")) { echo 'image only'; } else { echo 'image + other types'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bDFDv
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%7E%5C.%28png%7Cgif%7Cjpe%3Fg%7Cbmp%29%7Ei'
          2        SEND_VAL                                                 'https%3A%2F%2Fexample.com%2Ftest.png'
          3        DO_ICALL                                         $0      
          4      > JMPZ                                                     $0, ->7
    4     5    >   ECHO                                                     'image+only'
    3     6      > JMP                                                      ->8
    7     7    >   ECHO                                                     'image+%2B+other+types'
    8     8    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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