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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 |
|---|---|
| 397 | |
| 398 | /** |
| 399 | * Filters an enqueued style's fully-qualified URL. |
| 400 | * |
| 401 | * @since 2.6.0 |
| 402 | * |
| 403 | * @param string $src The source URL of the enqueued style. |
| 404 | * @param string $handle The style's registered handle. |
| 405 | */ |
| 406 | $src = apply_filters( 'style_loader_src', $src, $handle ); |
| 407 | return esc_url( $src ); |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Whether a handle's source is in a default directory. |
| 412 | * |
| 413 | * @since 2.8.0 |
| 414 | * |
| 415 | * @param string $src The source of the enqueued style. |