/**
* Checks that Text::number formats a number into english text
*
* @test
* @dataProvider provider_number
*/
public function test_number($expected, $number)
{
$this->assertSame($expected, Text::number($number));
}
/**
* Format a number to human-readable text.
*
* // Display: one thousand and twenty-four
* echo Text::number(1024);
*
* // Display: five million, six hundred and thirty-two
* echo Text::number(5000632);
*
* @param integer $number number to format
* @return string
* @since 3.0.8
*/
public static function number($number)
{
// The number must always be an integer
$number = (int) $number;
// Uncompiled text version
$text = array();
// Last matched unit within the loop
$last_unit = null;
// The last matched item within the loop
$last_item = '';
foreach (Text::$units as $unit => $name) {
if ($number / $unit >= 1) {
// $value = the number of times the number is divisible by unit
$number -= $unit * ($value = (int) floor($number / $unit));
// Temporary var for textifying the current unit
$item = '';
if ($unit < 100) {
if ($last_unit < 100 && $last_unit >= 20) {
$last_item .= '-' . $name;
} else {
$item = $name;
}
} else {
$item = Text::number($value) . ' ' . $name;
}
// In the situation that we need to make a composite number (i.e. twenty-three)
// then we need to modify the previous entry
if (empty($item)) {
array_pop($text);
$item = $last_item;
}
$last_item = $text[] = $item;
$last_unit = $unit;
}
}
if (count($text) > 1) {
$and = array_pop($text);
}
$text = implode(', ', $text);
if (isset($and)) {
$text .= ' and ' . $and;
}
return $text;
}