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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 |
|---|---|
| 4546 | /** |
| 4547 | * Filters the attachment data prepared for JavaScript. |
| 4548 | * |
| 4549 | * @since 3.5.0 |
| 4550 | * |
| 4551 | * @param array $response Array of prepared attachment data. See {@see wp_prepare_attachment_for_js()}. |
| 4552 | * @param WP_Post $attachment Attachment object. |
| 4553 | * @param array|false $meta Array of attachment meta data, or false if there is none. |
| 4554 | */ |
| 4555 | return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta ); |
| 4556 | } |
| 4557 | |
| 4558 | /** |
| 4559 | * Enqueues all scripts, styles, settings, and templates necessary to use |
| 4560 | * all media JS APIs. |
| 4561 | * |
| 4562 | * @since 3.5.0 |
| 4563 | * |
| 4564 | * @global int $content_width |