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<?php $src = 'https://www.youtube.com/embed/lYbNbJG3-1k#'; preg_match('#(?:youtube(?:-nocookie)?\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^"&?/ ]{11})#i',$src,$output); var_dump($output);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QqMj8
function name:  (null)
number of ops:  10
compiled vars:  !0 = $src, !1 = $output
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'https%3A%2F%2Fwww.youtube.com%2Fembed%2FlYbNbJG3-1k%23'
    3     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%23%28%3F%3Ayoutube%28%3F%3A-nocookie%29%3F%5C.com%2F%28%3F%3A%5B%5E%2F%5D%2B%2F.%2B%2F%7C%28%3F%3Av%7Ce%28%3F%3Ambed%29%3F%29%2F%7C.%2A%5B%3F%26%5Dv%3D%29%7Cyoutu%5C.be%2F%29%28%5B%5E%22%26%3F%2F+%5D%7B11%7D%29%23i'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    4     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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