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<?php //$regex = '/(?P<function_name>.+)\s*\((?P<parameters>[^)]+)/'; //$regex = '/(?P<function_name>.*?)\s*\((?P<parameters>.*?)\)\s*/i'; $regex = '/(?P<function_name>.+)\s*\((?P<parameters>.*?)\)/'; preg_match($regex, 'printr("abc", "assdd")', $matches); print_r($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bGVig
function name:  (null)
number of ops:  10
compiled vars:  !0 = $regex, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, '%2F%28%3FP%3Cfunction_name%3E.%2B%29%5Cs%2A%5C%28%28%3FP%3Cparameters%3E.%2A%3F%29%5C%29%2F'
   12     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'printr%28%22abc%22%2C+%22assdd%22%29'
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
   13     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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