February 11, 2011 
Definition:
function clean_url( $url, $protocols = null, $context = 'display' ) {}
Checks and cleans a URL.
A number of characters are removed from the URL. If the URL is for displaying (the default behaviour) ampersands are also replaced. The ‘clean_url’ filter is applied to the returned cleaned URL.
Parameters
- string $url: The URL to be cleaned.
- array $protocols: Optional. An array of acceptable protocols.
- string $context: Optional. How the URL will be used. Default is ‘display’.
Return values
returns:The cleaned $url after the ‘clean_url’ filter is applied.
Source code
function clean_url( $url, $protocols = null, $context = 'display' ) {
if ( $context == 'db' )
_deprecated_function( 'clean_url( $context = \'db\' )', '3.0', 'esc_url_raw()' );
else
_deprecated_function( __FUNCTION__, '3.0', 'esc_url()' );
return esc_url( $url, $protocols, $context );
}
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