acf_field_color_picker::string_to_array() │ private │ ACF 5.10

Convert either a Hexadecimal or RGBA string to an RGBA array.

Метод класса: acf_field_color_picker{}

Хуков нет.

Возвращает

Массив.

Использование

// private - только в коде основоного (родительского) класса
$result = $this->string_to_array( $value );

$value(строка) (обязательный)

-

Список изменений

Код acf_field_color_picker::string_to_array() acf field color picker::string to array ^{ACF 6.0.4}

private function string_to_array( $value ) {
	// Trim Value
	$value = trim( $value );

	// Match and collect r,g,b values from 6 digit hex code. If there are 4
	// match-results, we have the values we need to build an r,g,b,a array.
	preg_match( '/^#([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})$/i', $value, $matches );
	if ( count( $matches ) === 4 ) {
		return array(
			'red'   => hexdec( $matches[1] ),
			'green' => hexdec( $matches[2] ),
			'blue'  => hexdec( $matches[3] ),
			'alpha' => (float) 1,
		);
	}

	// Match and collect r,g,b values from 3 digit hex code. If there are 4
	// match-results, we have the values we need to build an r,g,b,a array.
	// We have to duplicate the matched hex digit for 3 digit hex codes.
	preg_match( '/^#([0-9a-f])([0-9a-f])([0-9a-f])$/i', $value, $matches );
	if ( count( $matches ) === 4 ) {
		return array(
			'red'   => hexdec( $matches[1] . $matches[1] ),
			'green' => hexdec( $matches[2] . $matches[2] ),
			'blue'  => hexdec( $matches[3] . $matches[3] ),
			'alpha' => (float) 1,
		);
	}

	// Attempt to match an rgba(…) or rgb(…) string (case-insensitive), capturing the decimals
	// as a string. If there are two match results, we have the RGBA decimal values as a
	// comma-separated string. Break it apart and, depending on the number of values, return
	// our formatted r,g,b,a array.
	preg_match( '/^rgba?\(([0-9,.]+)\)/i', $value, $matches );
	if ( count( $matches ) === 2 ) {
		$decimals = explode( ',', $matches[1] );

		// Handle rgba() format.
		if ( count( $decimals ) === 4 ) {
			return array(
				'red'   => (int) $decimals[0],
				'green' => (int) $decimals[1],
				'blue'  => (int) $decimals[2],
				'alpha' => (float) $decimals[3],
			);
		}

		// Handle rgb() format.
		if ( count( $decimals ) === 3 ) {
			return array(
				'red'   => (int) $decimals[0],
				'green' => (int) $decimals[1],
				'blue'  => (int) $decimals[2],
				'alpha' => (float) 1,
			);
		}
	}

	return array(
		'red'   => 0,
		'green' => 0,
		'blue'  => 0,
		'alpha' => (float) 0,
	);
}