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<?php $path = 'foo/{display_id}/bar'; var_dump(preg_replace('#\{\w+\}#', '%', $path));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9tWS9
function name:  (null)
number of ops:  10
compiled vars:  !0 = $path
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'foo%2F%7Bdisplay_id%7D%2Fbar'
    3     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'preg_replace'
          3        SEND_VAL                                                 '%23%5C%7B%5Cw%2B%5C%7D%23'
          4        SEND_VAL                                                 '%25'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $2      
          7        SEND_VAR                                                 $2
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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