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filter is not described

(field_no_prefix)_save_pre filter-hook . WP 2.3.0

Filters the value of a specific field before saving.

The dynamic portion of the hook name, $field_no_prefix, refers to the post field name.

Usage

add_filter( '(field_no_prefix)_save_pre', 'filter_function_name_2852' );
function filter_function_name_2852( $value ){
	// filter...

	return $value;
}
$value(mixed)
Value of the post field.

Where the hook is called

sanitize_post_field()
wp-includes/post.php 2219
$value = apply_filters( "{$field_no_prefix}_save_pre", $value );

Where the hook is used (in WP core)

wp-includes/default-filters.php 250
add_filter( 'title_save_pre', 'trim' );
wp-includes/kses.php 1704
add_filter('title_save_pre', 'wp_filter_kses');
wp-includes/kses.php 1713
add_filter('content_save_pre', 'wp_filter_post_kses');
wp-includes/kses.php 1714
add_filter('excerpt_save_pre', 'wp_filter_post_kses');
wp-includes/kses.php 1715
add_filter('content_filtered_save_pre', 'wp_filter_post_kses');
wp-includes/kses.php 1732
remove_filter('title_save_pre', 'wp_filter_kses');
wp-includes/kses.php 1739
remove_filter('content_save_pre', 'wp_filter_post_kses');
wp-includes/kses.php 1740
remove_filter('excerpt_save_pre', 'wp_filter_post_kses');
wp-includes/kses.php 1741
remove_filter('content_filtered_save_pre', 'wp_filter_post_kses');