wc_hex_is_light() WC 1.0

Determine whether a hex color is light.

Хуков нет.

Возвращает

true|false. True if a light color.

Использование

wc_hex_is_light( $color );

$color(разное) (обязательный)

Color.

Код wc_hex_is_light() wc hex is light ^{WC 5.4.1}

<?php
function wc_hex_is_light( $color ) {
	$hex = str_replace( '#', '', $color );

	$c_r = hexdec( substr( $hex, 0, 2 ) );
	$c_g = hexdec( substr( $hex, 2, 2 ) );
	$c_b = hexdec( substr( $hex, 4, 2 ) );

	$brightness = ( ( $c_r * 299 ) + ( $c_g * 587 ) + ( $c_b * 114 ) ) / 1000;

	return $brightness > 155;
}