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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 |
|---|---|
| 2199 | $wp_styles->do_items( false ); |
| 2200 | |
| 2201 | /** |
| 2202 | * Filters whether to print the admin styles. |
| 2203 | * |
| 2204 | * @since 2.8.0 |
| 2205 | * |
| 2206 | * @param bool $print Whether to print the admin styles. Default true. |
| 2207 | */ |
| 2208 | if ( apply_filters( 'print_admin_styles', true ) ) { |
| 2209 | _print_styles(); |
| 2210 | } |
| 2211 | |
| 2212 | $wp_styles->reset(); |
| 2213 | return $wp_styles->done; |
| 2214 | } |
| 2215 | |
| 2216 | /** |
| 2217 | * Prints the styles that were queued too late for the HTML head. |