clamp( mixed $value, mixed $min, mixed $max ): mixed

715	function clamp( $value, $min, $max ) {716		$throw_value_error = static function ( string $message ) {717			// The ValueError class was introduced in PHP 8, so in 7.4 throw InvalidArgumentException instead.718			if ( ! class_exists( 'ValueError', false ) ) {719				throw new InvalidArgumentException( $message );720			}721			throw new ValueError( $message );722		};723 724		if ( is_float( $min ) && is_nan( $min ) ) {725			$throw_value_error( 'clamp(): Argument #2 ($min) must not be NAN' );726		}727 728		if ( is_float( $max ) && is_nan( $max ) ) {729			$throw_value_error( 'clamp(): Argument #3 ($max) must not be NAN' );730		}731 732		if ( $max < $min ) {733			$throw_value_error( 'clamp(): Argument #2 ($min) must be smaller than or equal to argument #3 ($max)' );734		}735 736		/*737		 * The upper bound is checked before the lower bound to match the order in PHP's738		 * implementation. Comparison in PHP is not transitive when operands of different739		 * types are mixed (for example, comparing against a bool coerces both operands to740		 * bool), so both bounds can compare as exceeded at once, and the first check wins.741		 */742		if ( $value > $max ) {743			return $max;744		}745 746		if ( $value < $min ) {747			return $min;748		}749 750		return $value;751	}