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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 |
|---|---|
| 345 | |
| 346 | /** |
| 347 | * Filter an enqueued style's fully-qualified URL. |
| 348 | * |
| 349 | * @since 2.6.0 |
| 350 | * |
| 351 | * @param string $src The source URL of the enqueued style. |
| 352 | * @param string $handle The style's registered handle. |
| 353 | */ |
| 354 | $src = apply_filters( 'style_loader_src', $src, $handle ); |
| 355 | return esc_url( $src ); |
| 356 | } |
| 357 | |
| 358 | /** |
| 359 | * Whether a handle's source is in a default directory. |
| 360 | * |
| 361 | * @since 2.8.0 |
| 362 | * @access public |
| 363 | * |