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<?php print_r(preg_match("@^(?'day'\d+)\s+(?'month'\p{L}+?)\s+(?'year'\d+)$@m", "18 August 2015"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dGZVk
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'print_r'
          1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%40%5E%28%3F%27day%27%5Cd%2B%29%5Cs%2B%28%3F%27month%27%5Cp%7BL%7D%2B%3F%29%5Cs%2B%28%3F%27year%27%5Cd%2B%29%24%40m'
          3        SEND_VAL                                                 '18+August+2015'
          4        DO_ICALL                                         $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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