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<?php $subject = "Helló"; $pattern = '/(l|ó){3,3}/'; preg_match($pattern, $subject, $matches, PREG_OFFSET_CAPTURE); var_dump($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6FSUq
function name:  (null)
number of ops:  12
compiled vars:  !0 = $subject, !1 = $pattern, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'Hell%C3%B3'
    5     1        ASSIGN                                                   !1, '%2F%28l%7C%C3%B3%29%7B3%2C3%7D%2F'
    6     2        INIT_FCALL                                               'preg_match'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !2
          6        SEND_VAL                                                 256
          7        DO_ICALL                                                 
    8     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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