public static function parseAcceptLanguage() {
		if ( !isset( $_SERVER['HTTP_ACCEPT_LANGUAGE'] ) ) {
			return array();
		}

		$weighted = array();

		// Strip any whitespace in the header value
		$hdr = preg_replace( '/\s+/', '', $_SERVER['HTTP_ACCEPT_LANGUAGE'] );
		// Split on commas
		$parts = explode( ',', $hdr );
		foreach ( $parts as $idx => $part ) {
			if ( strpos( $part, ';q=' ) ) {
				// Extract relative weight from component
				list( $lang, $weight ) = explode( ';q=', $part );
				$weight = (float)$weight;

			} else {
				$lang = $part;
				$weight = 1;
			}

			if ( $lang != '*' && $weight > 0 ) {
				// Decorate the weight with the original position to make sort
				// stable
				$weighted[strtolower( $lang )] = array( $weight, -$idx );
			}
		}

		arsort( $weighted );
		return array_keys( $weighted );
	}
public static function parseAcceptLanguage() {
		if ( !isset( $_SERVER['HTTP_ACCEPT_LANGUAGE'] ) ) {
			return array();
		}

		$weighted = array();

		// Strip any whitespace in the header value
		$hdr = preg_replace( '/\s+/', '', $_SERVER['HTTP_ACCEPT_LANGUAGE'] );
		// Split on commas
		$parts = explode( ',', $hdr );
		foreach ( $parts as $idx => $part ) {
			if ( strpos( $part, ';q=' ) ) {
				// Extract relative weight from component
				list( $lang, $weight ) = explode( ';q=', $part );
				$weight = (float)$weight;

			} else {
				$lang = $part;
				$weight = 1;
			}

			if ( $lang != '*' && $weight > 0 ) {
				// Decorate the weight with the original position to make sort
				// stable
				$weighted[strtolower( $lang )] = array( $weight, -$idx );
			}
		}

		arsort( $weighted );
		return array_keys( $weighted );
	}
public static function parseAcceptLanguage ( ) { if ( ! isset ( $ _SERVER [ 'HTTP_ACCEPT_LANGUAGE' ] ) ) { return array ( ) ; } $ weighted = array ( ) ; // Strip any whitespace in the header value $ hdr = preg_replace ( '/\s+/' , '' , $ _SERVER [ 'HTTP_ACCEPT_LANGUAGE' ] ) ; // Split on commas $ parts = explode ( ',' , $ hdr ) ; foreach ( $ parts as $ idx => $ part ) { if ( strpos ( $ part , ';q=' ) ) { // Extract relative weight from component list ( $ lang , $ weight ) = explode ( ';q=' , $ part ) ; $ weight = ( float ) $ weight ; } else { $ lang = $ part ; $ weight = 1 ; } if ( $ lang != '*' && $ weight > 0 ) { // Decorate the weight with the original position to make sort // stable $ weighted [ strtolower ( $ lang ) ] = array ( $ weight , - $ idx ) ; } } arsort ( $ weighted ) ; return array_keys ( $ weighted ) ; }
Parse the Accept-Language header present in the request and return an
ordered list of languages preferred by the user-agent.

@return array List of preferred languages
Parse the Accept - Language header present in the request and return an ordered list of languages preferred by the user - agent .