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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 |
|---|---|
| 2250 | $wp_styles->do_items(false); |
| 2251 | |
| 2252 | /** |
| 2253 | * Filters whether to print the admin styles. |
| 2254 | * |
| 2255 | * @since 2.8.0 |
| 2256 | * |
| 2257 | * @param bool $print Whether to print the admin styles. Default true. |
| 2258 | */ |
| 2259 | if ( apply_filters( 'print_admin_styles', true ) ) { |
| 2260 | _print_styles(); |
| 2261 | } |
| 2262 | |
| 2263 | $wp_styles->reset(); |
| 2264 | return $wp_styles->done; |
| 2265 | } |
| 2266 | |
| 2267 | /** |
| 2268 | * Prints the styles that were queued too late for the HTML head. |