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<?php $m = []; preg_match('/feed_id=(\d+)/', 'https://www.only4kids.dk/index.php/gomage_feed/index/generate/?isAjax=true&feed_id=15&form_key=mPMJZ2mErWGfIvWP', $m);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HR6Dn
function name:  (null)
number of ops:  7
compiled vars:  !0 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2Ffeed_id%3D%28%5Cd%2B%29%2F'
          3        SEND_VAL                                                 'https%3A%2F%2Fwww.only4kids.dk%2Findex.php%2Fgomage_feed%2Findex%2Fgenerate%2F%3FisAjax%3Dtrue%26feed_id%3D15%26form_key%3DmPMJZ2mErWGfIvWP'
          4        SEND_REF                                                 !0
          5        DO_ICALL                                                 
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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171.37 ms | 1394 KiB | 15 Q