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pre_(taxonomy)_(field) filter-hook . WP 2.3.0

Filters a taxonomy field before it is sanitized.

The dynamic portions of the filter name, $taxonomy and $field, refer to the taxonomy slug and field name, respectively.

Usage

add_filter( 'pre_(taxonomy)_(field)', 'filter_function_name_2270' );
function filter_function_name_2270( $value ){
	// filter...

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

Changelog

Since 2.3.0 Introduced.

Where the hook is called

sanitize_term_field()
pre_(taxonomy)_(field)
wp-includes/taxonomy.php 1705
$value = apply_filters( "pre_{$taxonomy}_{$field}", $value );

Where in WP core the hook is used WordPress

wp-admin/includes/ajax-actions.php 1295
remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
wp-admin/includes/ajax-actions.php 1296
add_filter( 'pre_comment_content', 'wp_filter_kses' );
wp-admin/includes/bookmark.php 340
add_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
wp-admin/includes/bookmark.php 342
remove_filter( 'pre_option_link_manager_enabled', '__return_true', 100 );
wp-admin/options-discussion.php 298
add_filter( 'pre_option_show_avatars', '__return_true', 100 );
wp-admin/options-discussion.php 308
remove_filter( 'pre_option_show_avatars', '__return_true', 100 );
wp-includes/blocks/site-logo.php 127
add_filter( 'pre_set_theme_mod_custom_logo', '_sync_custom_logo_to_site_logo' );
wp-includes/class-wp-customize-manager.php 719
remove_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
wp-includes/class-wp-customize-manager.php 724
remove_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
wp-includes/class-wp-customize-manager.php 723
remove_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
wp-includes/class-wp-customize-manager.php 720
remove_filter( 'pre_option_template', array( $this, 'get_template' ) );
wp-includes/class-wp-customize-manager.php 682
add_filter( 'pre_option_template', array( $this, 'get_template' ) );
wp-includes/class-wp-customize-manager.php 716
remove_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
wp-includes/class-wp-customize-manager.php 686
add_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
wp-includes/class-wp-customize-manager.php 685
add_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
wp-includes/class-wp-customize-manager.php 681
add_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
wp-includes/class-wp-customize-manager.php 678
add_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
wp-includes/class-wp-customize-setting.php 378
add_filter( "pre_option_{$id_base}", array( $this, '_preview_filter' ) );
wp-includes/class-wp-customize-widgets.php 2153
remove_filter( "pre_option_{$option_name}", array( $this, 'capture_filter_pre_get_option' ) );
wp-includes/class-wp-customize-widgets.php 2150
remove_filter( 'pre_update_option', array( $this, 'capture_filter_pre_update_option' ), 10 );
wp-includes/class-wp-customize-widgets.php 2092
add_filter( 'pre_update_option', array( $this, 'capture_filter_pre_update_option' ), 10, 3 );
wp-includes/class-wp-customize-widgets.php 2111
add_filter( "pre_option_{$option_name}", array( $this, 'capture_filter_pre_get_option' ) );
wp-includes/comment.php 3518
remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
wp-includes/comment.php 3519
add_filter( 'pre_comment_content', 'wp_filter_kses' );
wp-includes/default-filters.php 656
add_filter( 'pre_oembed_result', 'wp_filter_pre_oembed_result', 10, 3 );
wp-includes/default-filters.php 95
add_filter( 'pre_post_mime_type', 'sanitize_mime_type' );
wp-includes/default-filters.php 86
add_filter( 'pre_term_slug', 'sanitize_title' );
wp-includes/default-filters.php 665
add_filter( 'pre_wp_unique_post_slug', 'wp_filter_wp_template_unique_post_slug', 10, 5 );
wp-includes/default-filters.php 464
add_filter( 'pre_option_embed_autourls', '__return_true' );
wp-includes/default-filters.php 454
add_filter( 'pre_option_gmt_offset', 'wp_timezone_override_offset' );
wp-includes/default-filters.php 280
add_filter( 'pre_comment_content', 'wp_rel_ugc', 15 );
wp-includes/default-filters.php 276
add_filter( 'pre_kses', 'wp_pre_kses_block_attributes', 10, 3 );
wp-includes/default-filters.php 275
add_filter( 'pre_kses', 'wp_pre_kses_less_than' );
wp-includes/formatting.php 5006
remove_filter( 'pre_kses', 'wp_pre_kses_block_attributes', 10 );
wp-includes/formatting.php 5008
add_filter( 'pre_kses', 'wp_pre_kses_block_attributes', 10, 3 );
wp-includes/kses.php 2093
add_filter( 'pre_comment_content', 'wp_filter_post_kses' );
wp-includes/kses.php 2095
add_filter( 'pre_comment_content', 'wp_filter_kses' );
wp-includes/kses.php 2121
remove_filter( 'pre_comment_content', 'wp_filter_post_kses' );
wp-includes/kses.php 2122
remove_filter( 'pre_comment_content', 'wp_filter_kses' );
wp-includes/sitemaps/class-wp-sitemaps.php 77
add_filter( 'pre_handle_404', array( $this, 'redirect_sitemapxml' ), 10, 2 );