3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tokens = [ ':rr'=>5, ':tipo'=>'\[A-Z]' ]; $regex = '/#([a-zA-z0-9_]+)(:[a-zA-Z]+)/'; $pattern = '#nombre:tipo'; //echo preg_replace($regex, "(?<$1>".$tokens[(int) ${2}].")", $pattern); echo preg_replace_callback($regex, function (array $matches) use ($params) { var_dump($matches); }, $pattern);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/o56BE
function name:  (null)
number of ops:  12
compiled vars:  !0 = $tokens, !1 = $regex, !2 = $pattern, !3 = $params
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'
   17     3        INIT_FCALL                                               'preg_replace_callback'
          4        SEND_VAR                                                 !1
          5        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fo56BE%3A17%240'
          6        BIND_LEXICAL                                             ~7, !3
   19     7        SEND_VAL                                                 ~7
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                         $8      
         10        ECHO                                                     $8
         11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Fo56BE%3A17%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/o56BE
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $matches, !1 = $params
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
   18     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
   19     5      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fo56BE%3A17%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.87 ms | 1395 KiB | 17 Q