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<?php $url = 'https://itunes.apple.com/album/the-endless-bridge-single/1146508518?uo=1&v0=9989'; preg_match('/album\/[^\/]+\/(\d+)\?/', $url, $matches); var_dump($matches[1]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tF9pS
function name:  (null)
number of ops:  11
compiled vars:  !0 = $url, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'https%3A%2F%2Fitunes.apple.com%2Falbum%2Fthe-endless-bridge-single%2F1146508518%3Fuo%3D1%26v0%3D9989'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2Falbum%5C%2F%5B%5E%5C%2F%5D%2B%5C%2F%28%5Cd%2B%29%5C%3F%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    6     6        INIT_FCALL                                               'var_dump'
          7        FETCH_DIM_R                                      ~4      !1, 1
          8        SEND_VAL                                                 ~4
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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