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<?php $re = '/\.(?:js|css)\K\?v=\d+/'; $s = 'script.js?v=123 CSS.css?v=3456'; $result = preg_replace($re, '', $s); echo $result;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/A3mce
function name:  (null)
number of ops:  10
compiled vars:  !0 = $re, !1 = $s, !2 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%2F%5C.%28%3F%3Ajs%7Ccss%29%5CK%5C%3Fv%3D%5Cd%2B%2F'
    4     1        ASSIGN                                                   !1, 'script.js%3Fv%3D123%0ACSS.css%3Fv%3D3456'
    6     2        INIT_FCALL                                               'preg_replace'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 ''
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                         $5      
          7        ASSIGN                                                   !2, $5
    8     8        ECHO                                                     !2
    9     9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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