- str_repeat: documentation ( source)
- var_export: documentation ( source)
- array_pad: documentation ( source)
- array_fill: documentation ( source)
- str_split: documentation ( source)
<?php
var_export(array_pad([], 3, '?'));
echo "\n";
var_export(array_fill(0, 3, '?'));
echo "\n";
var_export(str_split(str_repeat('?', 3)));