- print_r: documentation ( source)
- array_keys: documentation ( source)
- range: documentation ( source)
<?php
$m = range(85,110);
foreach($m as $val){
$key = $val."00000000000000000";
$a[$key] = $key;
}
print_r($a);
print_r(array_keys($a));
$b["9900000000000000000"]="1";
print_r($b);
?>