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<?php $abc = array( 'rec_1' => array('fn'=>'Aron','ln'=>'Michaelson'), 'rec_2' => array('fn'=>'Abbey','ln'=>'Drake'), 'rec_3' => array('fn'=>'Alice','ln'=>'Peterson')); /*function build_sorter($key) { return function ($a, $b) use ($key) { return strnatcmp($a[$key], $b[$key]); }; } */ function SortByLname($a,$b) { return strcmp( $a['ln']), $b['ln'] ); } usort($abc, "SortByLname)"; foreach ($abc as $item) { echo strtoupper($item['ln']) . ', ' . $item['fn'] . "\n"; }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.36
Parse error: syntax error, unexpected ',' in /in/ZsRpb on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected ',' in /in/ZsRpb on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ZsRpb on line 15
Process exited with code 255.

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