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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 |
---|---|
1346 | */ |
1347 | function wp_doing_ajax() { |
1348 | /** |
1349 | * Filters whether the current request is a WordPress Ajax request. |
1350 | * |
1351 | * @since 4.7.0 |
1352 | * |
1353 | * @param bool $wp_doing_ajax Whether the current request is a WordPress Ajax request. |
1354 | */ |
1355 | return apply_filters( 'wp_doing_ajax', defined( 'DOING_AJAX' ) && DOING_AJAX ); |
1356 | } |
1357 |
|
1358 | /** |
1359 | * Determines whether the current request should use themes. |
1360 | * |
1361 | * @since 5.1.0 |
1362 | * |
1363 | * @return bool True if themes should be used, false otherwise. |
1364 | */ |