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sanitize_key › WordPress Function

Da3.0.0
Deprecaton/a
› sanitize_key ( $key )
Parametri:
  • (string) $key String key.
    Richiesto: Sì
Ritorna:
  • (string) Sanitized key.
Definito a:
Codex:

Sanitizes a string key.

Keys are used as internal identifiers. Lowercase alphanumeric characters, dashes, and underscores are allowed.


Funzioni correlate: sanitize_meta, sanitize_term, sanitize_user, sanitize_title, sanitize_email

Sorgenti 

function sanitize_key( $key ) {
	$sanitized_key = '';

	if ( is_scalar( $key ) ) {
		$sanitized_key = strtolower( $key );
		$sanitized_key = preg_replace( '/[^a-z0-9_\-]/', '', $sanitized_key );
	}

	/**
	 * Filters a sanitized key string.
	 *
	 * @since 3.0.0
	 *
	 * @param string $sanitized_key Sanitized key.
	 * @param string $key           The key prior to sanitization.
	 */
	return apply_filters( 'sanitize_key', $sanitized_key, $key );
}