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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
5259 |
|
5260 | if ( !is_array($icon_files) ) { |
5261 | /** |
5262 | * Filter the icon directory path. |
5263 | * |
5264 | * @since 2.0.0 |
5265 | * |
5266 | * @param string $path Icon directory absolute path. |
5267 | */ |
5268 | $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' ); |
5269 |
|
5270 | /** |
5271 | * Filter the icon directory URI. |
5272 | * |
5273 | * @since 2.0.0 |
5274 | * |
5275 | * @param string $uri Icon directory URI. |
5276 | */ |
5277 | $icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url( 'images/media' ) ); |