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@ 2016-11-30T14:10:04Z

<?php

$d = [
    [
        'id'    => 1,
        'name'  => 'bir',
        'children'  => [
            [
                'id'    => 1001,
                'children'  => [
                    [
                        'id'    => 10011,
                        'parent_id' => 1001,
                        'name'  => 'onbinonbir',
                    ],
                    [
                        'id'    => 10012,
                        'parent_id' => 1001,
                        'name' => 'onbinoniki',
                    ]    
                ]
            ],
            [
                'id'    => 1002,
                'children'  => [
                    [
                        'id'    => 10021,
                        'parent_id' => 1002,
                        'name'  => 'onbinyirmibir',
                    ],
                    [
                        'id'    => 10022,
                        'parent_id' => 1002,
                        'name' => 'onbinyirmiiki',
                    ]    
                ]
            ]
        ]
    ],
    [
        'id'    => 2,
        'name'  => 'iki',
        'children'  => [
            [
                'id'    => 2001,
                'children'  => [
                    [
                        'id'    => 20011,
                        'parent_id' => 2001,
                        'name'  => 'yirmibinonbir',
                    ],
                    [
                        'id'    => 20012,
                        'parent_id' => 2001,
                        'name' => 'yirmibinoniki',
                    ]    
                ]
            ],
            [
                'id'    => 2002,
                'children'  => [
                    [
                        'id'    => 20021,
                        'parent_id' => 2002,
                        'name'  => 'yirmibinyirmibir',
                    ],
                    [
                        'id'    => 20022,
                        'parent_id' => 2002,
                        'name' => 'yirmibinyirmiiki',
                    ]    
                ]
            ]
        ]
    ]
];

$birinciler = array_column($d, 'id', 'id');
//var_dump($birinciler);
$ikinciler = array_column($d, 'children', 'id');
var_dump($ikinciler);
$ucunculer = array_column($ikinciler, 'children');
//var_dump($ikinciler);

Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qq1i8
function name:  (null)
number of ops:  22
compiled vars:  !0 = $d, !1 = $birinciler, !2 = $ikinciler, !3 = $ucunculer
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   78     1        INIT_FCALL                                               'array_column'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'id'
          4        SEND_VAL                                                 'id'
          5        DO_ICALL                                         $5      
          6        ASSIGN                                                   !1, $5
   80     7        INIT_FCALL                                               'array_column'
          8        SEND_VAR                                                 !0
          9        SEND_VAL                                                 'children'
         10        SEND_VAL                                                 'id'
         11        DO_ICALL                                         $7      
         12        ASSIGN                                                   !2, $7
   81    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !2
         15        DO_ICALL                                                 
   82    16        INIT_FCALL                                               'array_column'
         17        SEND_VAR                                                 !2
         18        SEND_VAL                                                 'children'
         19        DO_ICALL                                         $10     
         20        ASSIGN                                                   !3, $10
   83    21      > RETURN                                                   1

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