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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 |
|---|---|
| 1216 | $wp_styles->do_items(false); |
| 1217 | |
| 1218 | /** |
| 1219 | * Filters whether to print the admin styles. |
| 1220 | * |
| 1221 | * @since 2.8.0 |
| 1222 | * |
| 1223 | * @param bool $print Whether to print the admin styles. Default true. |
| 1224 | */ |
| 1225 | if ( apply_filters( 'print_admin_styles', true ) ) { |
| 1226 | _print_styles(); |
| 1227 | } |
| 1228 | |
| 1229 | $wp_styles->reset(); |
| 1230 | return $wp_styles->done; |
| 1231 | } |
| 1232 | |
| 1233 | /** |
| 1234 | * Prints the styles that were queued too late for the HTML head. |