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<?php $string = 'http://example.com/this//that/and/the/other/file.php'; echo preg_replace("/(?<!\:)\/+/", "/", $string);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ujEc2
function name:  (null)
number of ops:  5
compiled vars:  !0 = $string
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, 'http%3A%2F%2Fexample.com%2Fthis%2F%2Fthat%2Fand%2Fthe%2Fother%2Ffile.php'
    5     1        FRAMELESS_ICALL_3                preg_replace        ~2      '%2F%28%3F%3C%21%5C%3A%29%5C%2F%2B%2F', '%2F'
          2        OP_DATA                                                      !0
          3        ECHO                                                         ~2
          4      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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