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sanitize_key › WordPress Function
Desde3.0.0
Obsoleton/a
› sanitize_key ( $key )
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Sanitizes a string key.
Keys are used as internal identifiers. Lowercase alphanumeric characters, dashes and underscores are allowed.
Fonte
function sanitize_key( $key ) { $raw_key = $key; $key = strtolower( $key ); $key = preg_replace( '/[^a-z0-9_\-]/', '', $key ); /** * Filters a sanitized key string. * * @since 3.0.0 * * @param string $key Sanitized key. * @param string $raw_key The key prior to sanitization. */ return apply_filters( 'sanitize_key', $key, $raw_key ); }