- print_r: documentation ( source)
- range: documentation ( source)
<?php
// Say we have a 74-page file
$num_pages = 74;
// Fill and array.
$pages = range(1, $num_pages);
$groups = array();
print_r($pages);
for($i = 1; $i <= $pages; $i = $i+2) {
echo "$i ".$i+1;
}
// Then create