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<?php $automerken = array("bmw" => "1 Series", "Mercedes" => "A klasse"); var_dump($automerken); print_r(array_change_key_case($automerken, CASE_UPPER)); print_r(array_change_key_case($automerken, CASE_LOWER));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NqGDt
function name:  (null)
number of ops:  19
compiled vars:  !0 = $automerken
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    4     4        INIT_FCALL                                               'print_r'
          5        INIT_FCALL                                               'array_change_key_case'
          6        SEND_VAR                                                 !0
          7        SEND_VAL                                                 1
          8        DO_ICALL                                         $3      
          9        SEND_VAR                                                 $3
         10        DO_ICALL                                                 
    5    11        INIT_FCALL                                               'print_r'
         12        INIT_FCALL                                               'array_change_key_case'
         13        SEND_VAR                                                 !0
         14        SEND_VAL                                                 0
         15        DO_ICALL                                         $5      
         16        SEND_VAR                                                 $5
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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151.38 ms | 1394 KiB | 19 Q