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<?php $str = 'maría'; $count = count(preg_grep("/[áéíó]/", $str)); echo $count;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Jg4Ac
function name:  (null)
number of ops:  9
compiled vars:  !0 = $str, !1 = $count
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'mar%C3%ADa'
    3     1        INIT_FCALL                                               'preg_grep'
          2        SEND_VAL                                                 '%2F%5B%C3%A1%C3%A9%C3%AD%C3%B3%5D%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        COUNT                                            ~4      $3
          6        ASSIGN                                                   !1, ~4
    4     7        ECHO                                                     !1
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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