float $a:
float $b:
float ($a / $b) * 100
public static function percent($a, $b, $asString = FALSE, $fixedWidth = FALSE) {
if ($asString && $b == 0) {
return '';
}
if ($b > 0) {
$percent = $a / $b * 100;
}
else {
$percent = 100;
}
if ($asString) {
if ($fixedWidth) {
return sprintf('%6.2F%%', $percent);
}
return sprintf('%01.2F%%', $percent);
}
else {
return $percent;
}
}