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_canonical_charset › WordPress Function

Seit3.6.0
Veraltetn/v
› _canonical_charset ( $charset )
Zugriff:
  • private
Parameter:
  • (string) $charset A charset name, e.g. "UTF-8", "Windows-1252", "SJIS".
    Erforderlich: Ja
Siehe:
Gibt zurück:
  • (string) The canonical form of the charset.
Definiert in:
Codex:

Retrieves a canonical form of the provided charset appropriate for passing to PHP functions such as htmlspecialchars() and charset HTML attributes.



Ähnliche Funktionen: rel_canonical, wp_get_canonical_url, wp_specialchars, wp_admin_canonical_url, _wp_specialchars

Quellcode 

function _canonical_charset( $charset ) {
	if ( is_utf8_charset( $charset ) ) {
		return 'UTF-8';
	}

	/*
	 * Normalize the ISO-8859-1 family of languages.
	 *
	 * This is not required for htmlspecialchars(), as it properly recognizes all of
	 * the input character sets that here are transformed into "ISO-8859-1".
	 *
	 * @todo Should this entire check be removed since it's not required for the stated purpose?
	 * @todo Should WordPress transform other potential charset equivalents, such as "latin1"?
	 */
	if (
		( 0 === strcasecmp( 'iso-8859-1', $charset ) ) ||
		( 0 === strcasecmp( 'iso8859-1', $charset ) )
	) {
		return 'ISO-8859-1';
	}

	return $charset;
}