- var_dump: documentation ( source)
- array_combine: documentation ( source)
- range: documentation ( source)
<?php
$range = [];
for ($i = 1; $i < 14; $i++) {
$range[$i] = $i;
}
var_dump($range);
// VS
$range = range(1, 14, 1);
$range = array_combine($range, $range);
var_dump($range);