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<?php $line="This is the first test.{@font-face:Garamond}"; $line=preg_replace_callback("/(?<![\]\\])\{([\w\s\\@:=\'\"-\.;^}]*)(?<!\\)\}/",function ($match){print_r($match);return 'foo';},$line); echo $line;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hSN6c
function name:  (null)
number of ops:  10
compiled vars:  !0 = $line
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'This+is+the+first+test.%7B%40font-face%3AGaramond%7D'
    3     1        INIT_FCALL                                               'preg_replace_callback'
          2        SEND_VAL                                                 '%2F%28%3F%3C%21%5B%5C%5D%5C%5D%29%5C%7B%28%5B%5Cw%5Cs%5C%40%3A%3D%5C%27%22-%5C.%3B%5E%7D%5D%2A%29%28%3F%3C%21%5C%29%5C%7D%2F'
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FhSN6c%3A3%240'
          4        SEND_VAL                                                 ~2
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $3      
          7        ASSIGN                                                   !0, $3
    4     8        ECHO                                                     !0
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FhSN6c%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hSN6c
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $match
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        INIT_FCALL                                               'print_r'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
          4      > RETURN                                                   'foo'
          5*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FhSN6c%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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