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<?php preg_match_all('/^(([a-z])+.)+[A-Z]([a-z])+$/', str_repeat("a", 30)."!", $result); print_r($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5u3Fj
function name:  (null)
number of ops:  14
compiled vars:  !0 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_match_all'
          1        SEND_VAL                                                 '%2F%5E%28%28%5Ba-z%5D%29%2B.%29%2B%5BA-Z%5D%28%5Ba-z%5D%29%2B%24%2F'
          2        INIT_FCALL                                               'str_repeat'
          3        SEND_VAL                                                 'a'
          4        SEND_VAL                                                 30
          5        DO_ICALL                                         $1      
          6        CONCAT                                           ~2      $1, '%21'
          7        SEND_VAL                                                 ~2
          8        SEND_REF                                                 !0
          9        DO_ICALL                                                 
    4    10        INIT_FCALL                                               'print_r'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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