- strnatcmp: documentation ( source)
- usort: documentation ( source)
<?php
$abc = array( array('f_name'=>'Aron','m_i'=>'M'),
array('f_name'=>'Abbey','m_i'=>'D'),
array('f_name'=>'Alice','m_i'=>'P'));
function build_sorter($key) {
return function ($a, $b) use ($key) {
return strnatcmp($a[$key], $b[$key]);
};
}
usort($abc, build_sorter('f_name'));
foreach ($array as $item) {
echo $item['f_name'] . ', ' . $item['m_i'] . "\n";
}