- array_multisort: documentation ( source)
- print_r: documentation ( source)
<?php
$sample[0] = array("abc", 32);
$sample[1] = array("def", 11);
$sample[2] = array("hij", 76);
$sample[3] = array("klm", 9);
$sample[4] = array("nop", 12);
print_r($sample);
array_multisort($sample, SORT_NUMERIC);
echo '<br />';
print_r($sample);