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<?php $key = 'key1'; $testArray = array ( 'subArray1' => array( 'key1' => "Sub array 1 value 1", 'key2' => "Sub array 1 value 1" ), 'subArray2' => array( 'key1' => "Sub array 2 value 1", 'key2' => "Sub array 2 value 2" ) ); $output = array_column($testArray, $key); var_dump($output); var_dump(array_combine(array_keys($testArray), array_column($testArray, $key)));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Uh8Xc
function name:  (null)
number of ops:  25
compiled vars:  !0 = $key, !1 = $testArray, !2 = $output
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'key1'
    5     1        ASSIGN                                                   !1, <array>
   16     2        INIT_FCALL                                               'array_column'
          3        SEND_VAR                                                 !1
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $5      
          6        ASSIGN                                                   !2, $5
   17     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                                 
   19    10        INIT_FCALL                                               'var_dump'
         11        INIT_FCALL                                               'array_combine'
         12        INIT_FCALL                                               'array_keys'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                         $8      
         15        SEND_VAR                                                 $8
         16        INIT_FCALL                                               'array_column'
         17        SEND_VAR                                                 !1
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                         $9      
         20        SEND_VAR                                                 $9
         21        DO_ICALL                                         $10     
         22        SEND_VAR                                                 $10
         23        DO_ICALL                                                 
         24      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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