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<?php $tokens = [ ':rr'=>5, ':tipo'=>'\[A-Z]' ]; $regex = '/#([a-zA-z0-9_]+)(:[a-zA-Z]+)/'; $pattern = '#nombre:tipo'; echo preg_replace($regex, "(?<$1>".$tokens[${2}].")", $pattern);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VV8tQ
function name:  (null)
number of ops:  13
compiled vars:  !0 = $tokens, !1 = $regex, !2 = $pattern, !3 = $2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        ASSIGN                                                   !1, '%2F%23%28%5Ba-zA-z0-9_%5D%2B%29%28%3A%5Ba-zA-Z%5D%2B%29%2F'
   11     2        ASSIGN                                                   !2, '%23nombre%3Atipo'
   13     3        INIT_FCALL                                               'preg_replace'
          4        SEND_VAR                                                 !1
          5        FETCH_DIM_R                                      ~7      !0, !3
          6        CONCAT                                           ~8      '%28%3F%3C%241%3E', ~7
          7        CONCAT                                           ~9      ~8, '%29'
          8        SEND_VAL                                                 ~9
          9        SEND_VAR                                                 !2
         10        DO_ICALL                                         $10     
         11        ECHO                                                     $10
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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