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<?php $subject = 'AA BB DD '; $pattern = '/(([a-z]+) )/i'; $result = preg_match_all($pattern, $subject, $matches); var_dump($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3LhdV
function name:  (null)
number of ops:  12
compiled vars:  !0 = $subject, !1 = $pattern, !2 = $result, !3 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'AA+BB+DD+'
    3     1        ASSIGN                                                   !1, '%2F%28%28%5Ba-z%5D%2B%29+%29%2Fi'
    4     2        INIT_FCALL                                               'preg_match_all'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !3
          6        DO_ICALL                                         $6      
          7        ASSIGN                                                   !2, $6
    5     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !2
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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