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<?php $myString = "14f05000034e69"; $test = preg_replace('/(.)(.)/', '$2$1', $myString); echo $test;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nI4UP
function name:  (null)
number of ops:  6
compiled vars:  !0 = $myString, !1 = $test
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, '14f05000034e69'
    5     1        FRAMELESS_ICALL_3                preg_replace        ~3      '%2F%28.%29%28.%29%2F', '%242%241'
          2        OP_DATA                                                      !0
          3        ASSIGN                                                       !1, ~3
    7     4        ECHO                                                         !1
    8     5      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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