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<?php preg_match('#((\d+)\s+year(s)?(,\s+)?)?((\d+)\s+week(s)?(,\s+)?)?((\d+)\s+day(s)?(,\s+)?)?((\d+)\s+hour(s)?(,\s+)?)?((\d+)\s+minute(s)?(,\s+)?)?((\d+)\s+second(s)?)?#', '21 minutes, 34 seconds', $match); var_dump($match);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ai7dD
function name:  (null)
number of ops:  9
compiled vars:  !0 = $match
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'preg_match'
          1        SEND_VAL                                                 '%23%28%28%5Cd%2B%29%5Cs%2Byear%28s%29%3F%28%2C%5Cs%2B%29%3F%29%3F%28%28%5Cd%2B%29%5Cs%2Bweek%28s%29%3F%28%2C%5Cs%2B%29%3F%29%3F%28%28%5Cd%2B%29%5Cs%2Bday%28s%29%3F%28%2C%5Cs%2B%29%3F%29%3F%28%28%5Cd%2B%29%5Cs%2Bhour%28s%29%3F%28%2C%5Cs%2B%29%3F%29%3F%28%28%5Cd%2B%29%5Cs%2Bminute%28s%29%3F%28%2C%5Cs%2B%29%3F%29%3F%28%28%5Cd%2B%29%5Cs%2Bsecond%28s%29%3F%29%3F%23'
          2        SEND_VAL                                                 '21+minutes%2C+34+seconds'
          3        SEND_REF                                                 !0
          4        DO_ICALL                                                 
    5     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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