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<?php $input = array( array('id' => 2, 'name' => 'Clement', 'upper' => 0), array('id' => 1, 'name' => 'Jean', 'upper' => 1), array('id' => 1, 'name' => 'Annie', 'upper' => 1), ); $map = array(); foreach ($input as $node) { // init self if (!array_key_exists($node['sn'], $map)) { $map[$node['sn']] = array('self' => $node['name']); } else { $map[$node['sn']]['self'] = $node['name']; } // init parent if (!array_key_exists($node['upper'], $map)) { $map[$node['upper']] = array(); } // add to parent $map[$node['upper']][$node['sn']] = & $map[$node['sn']]; } print_r($map[0]);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key "sn" in /in/uuUTM on line 12 Warning: Undefined array key "sn" in /in/uuUTM on line 13 Warning: Undefined array key "sn" in /in/uuUTM on line 25 Warning: Undefined array key "sn" in /in/uuUTM on line 25 Warning: Undefined array key "sn" in /in/uuUTM on line 12 Warning: Undefined array key "sn" in /in/uuUTM on line 16 Warning: Undefined array key "sn" in /in/uuUTM on line 25 Warning: Undefined array key "sn" in /in/uuUTM on line 25 Warning: Undefined array key "sn" in /in/uuUTM on line 12 Warning: Undefined array key "sn" in /in/uuUTM on line 16 Warning: Undefined array key "sn" in /in/uuUTM on line 25 Warning: Undefined array key "sn" in /in/uuUTM on line 25 Array ( [] => Array ( [self] => Annie ) )
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: sn in /in/uuUTM on line 12 Notice: Undefined index: sn in /in/uuUTM on line 13 Notice: Undefined index: sn in /in/uuUTM on line 25 Notice: Undefined index: sn in /in/uuUTM on line 25 Notice: Undefined index: sn in /in/uuUTM on line 12 Notice: Undefined index: sn in /in/uuUTM on line 16 Notice: Undefined index: sn in /in/uuUTM on line 25 Notice: Undefined index: sn in /in/uuUTM on line 25 Notice: Undefined index: sn in /in/uuUTM on line 12 Notice: Undefined index: sn in /in/uuUTM on line 16 Notice: Undefined index: sn in /in/uuUTM on line 25 Notice: Undefined index: sn in /in/uuUTM on line 25 Array ( [] => Array ( [self] => Annie ) )
Output for 7.3.32 - 7.3.33
Array ( [] => Array ( [self] => Annie ) )
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined index: sn in /in/uuUTM on line 12 Notice: Undefined index: sn in /in/uuUTM on line 13 Notice: Undefined index: sn in /in/uuUTM on line 25 Notice: Undefined index: sn in /in/uuUTM on line 25 Notice: Undefined index: sn in /in/uuUTM on line 12 Notice: Undefined index: sn in /in/uuUTM on line 16 Notice: Undefined index: sn in /in/uuUTM on line 25 Notice: Undefined index: sn in /in/uuUTM on line 25 Notice: Undefined index: sn in /in/uuUTM on line 12 Notice: Undefined index: sn in /in/uuUTM on line 16 Notice: Undefined index: sn in /in/uuUTM on line 25 Notice: Undefined index: sn in /in/uuUTM on line 25 Array ( [] => Array ( [self] => Annie ) )
preferences:
228.51 ms | 407 KiB | 329 Q