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<?php> $tree = array( 1 => array( 'parent' => 0 ), 2 => array( 'parent' => 1 ), 3 => array( 'parent' => 1 ), 4 => array( 'parent' => 2 ) ); $newtree = array(); foreach($tree as $leaf) { if (!isset($newtree[$leaf['parent']])) $newtree[$leaf['parent']]=array(); $newtree[$leaf['parent']][]=$leaf; } print_r($newtree); </?>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.32, 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.25, 7.4.27 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<?php> $tree = array( 1 => array( 'parent' => 0 ), 2 => array( 'parent' => 1 ), 3 => array( 'parent' => 1 ), 4 => array( 'parent' => 2 ) ); $newtree = array(); foreach($tree as $leaf) { if (!isset($newtree[$leaf['parent']])) $newtree[$leaf['parent']]=array(); $newtree[$leaf['parent']][]=$leaf; } print_r($newtree); </?>
Output for 8.0.13
Parse error: syntax error, unexpected token "<", expecting end of file in /in/cKijU on line 12
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.26, 7.4.33
Parse error: syntax error, unexpected '<', expecting end of file in /in/cKijU on line 12
Process exited with code 255.

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