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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 |
|---|---|
| 256 | |
| 257 | $locales = array( get_locale() ); |
| 258 | /** |
| 259 | * Filter the locales requested for plugin translations. |
| 260 | * |
| 261 | * @since 3.7.0 |
| 262 | * |
| 263 | * @param array $locales Plugin locale. Default is current locale of the site. |
| 264 | */ |
| 265 | $locales = apply_filters( 'plugins_update_check_locales', $locales ); |
| 266 | |
| 267 | $options = array( |
| 268 | 'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3), |
| 269 | 'body' => array( |
| 270 | 'plugins' => json_encode( $to_send ), |
| 271 | 'translations' => json_encode( $translations ), |
| 272 | 'locale' => json_encode( $locales ), |
| 273 | ), |
| 274 | 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) |