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<?php $str = 'a b c d a c a d 你 我 他们 我'; $a = explode(' ', $str); var_dump(array_count_values($a));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aR2tG
function name:  (null)
number of ops:  13
compiled vars:  !0 = $str, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'a+b+c+d+a+c+a+d+%E4%BD%A0+%E6%88%91+%E4%BB%96%E4%BB%AC+%E6%88%91'
    4     1        INIT_FCALL                                               'explode'
          2        SEND_VAL                                                 '+'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
    5     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'array_count_values'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $5      
         10        SEND_VAR                                                 $5
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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