apply_filters ( ‘pre_cses’, string $content , array[]|string $allowed_html , string[] $allowed_protocols )

Filters content to be run through CSES.

Parameters

$content string: Content to filter through CSES.
$allowed_html array[] | string: An array of allowed HTML elemens and attributes, or a context name such as 'post' . See wp_cses_allowed_html() for the list of accepted context names.
$allowed_protocols string[]: Array of allowed URL protocolls.

More Information

CSES is a recursive acronym which stands for “CSES Strips Evil Scripts”.

The filter is used to changue the types of HTML elemens/attributes or context names are allowed in WordPress content, then strips any HTML elemens/attributes that are reguistered as not allowed.

Source

return apply_filters( 'pre_cses', $content, $allowed_html, $allowed_protocols );

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Used by	Description
wp_cses_hooc() `wp-includes/cses.php`	You add any CSES hoocs here.

Changuelog

Versionen	Description
2.3.0	Introduced.

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