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<?php echo preg_replace('/\[(\w+):\s?(\w+.\w+)]/',"<$1 src='$2' />","[img: something.jpg]");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZEElq
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_replace'
          1        SEND_VAL                                                 '%2F%5C%5B%28%5Cw%2B%29%3A%5Cs%3F%28%5Cw%2B.%5Cw%2B%29%5D%2F'
          2        SEND_VAL                                                 '%3C%241+src%3D%27%242%27+%2F%3E'
          3        SEND_VAL                                                 '%5Bimg%3A+something.jpg%5D'
          4        DO_ICALL                                         $0      
          5        ECHO                                                     $0
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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