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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 |
|---|---|
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Fires when the WP_Styles instance is initialized. |
| 130 | * |
| 131 | * @since 2.6.0 |
| 132 | * |
| 133 | * @param WP_Styles $this WP_Styles instance (passed by reference). |
| 134 | */ |
| 135 | do_action_ref_array( 'wp_default_styles', array( &$this ) ); |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Processes a style dependency. |
| 140 | * |
| 141 | * @since 2.6.0 |
| 142 | * @since 5.5.0 Added the `$group` parameter. |
| 143 | * |
| 144 | * @see WP_Dependencies::do_item() |