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<?php $_content = '<iframe src="//player.vimeo.com/video/36899035" width="500" height="281" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe> <p><a href="http://vimeo.com/36899035">Moving a Tree</a> from <a href="http://vimeo.com/user4457549">Avery Lawrence</a> on <a href="https://vimeo.com">Vimeo</a>.</p>'; preg_match('#vimeo.com[^\'"0-9]*([0-9]+)#i',$_content, $matches); var_dump($matches); echo $_content;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aN21P
function name:  (null)
number of ops:  11
compiled vars:  !0 = $_content, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%3Ciframe+src%3D%22%2F%2Fplayer.vimeo.com%2Fvideo%2F36899035%22+width%3D%22500%22+height%3D%22281%22+frameborder%3D%220%22+webkitallowfullscreen+mozallowfullscreen+allowfullscreen%3E%3C%2Fiframe%3E+%3Cp%3E%3Ca+href%3D%22http%3A%2F%2Fvimeo.com%2F36899035%22%3EMoving+a+Tree%3C%2Fa%3E+from+%3Ca+href%3D%22http%3A%2F%2Fvimeo.com%2Fuser4457549%22%3EAvery+Lawrence%3C%2Fa%3E+on+%3Ca+href%3D%22https%3A%2F%2Fvimeo.com%22%3EVimeo%3C%2Fa%3E.%3C%2Fp%3E'
    3     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%23vimeo.com%5B%5E%27%220-9%5D%2A%28%5B0-9%5D%2B%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                                                 
    5     9        ECHO                                                     !0
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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