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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 |
|---|---|
| 3805 | } |
| 3806 | |
| 3807 | /** |
| 3808 | * Filters if upgrade routines should be run on global tables. |
| 3809 | * |
| 3810 | * @since 4.3.0 |
| 3811 | * |
| 3812 | * @param bool $should_upgrade Whether to run the upgrade routines on global tables. |
| 3813 | */ |
| 3814 | return apply_filters( 'wp_should_upgrade_global_tables', $should_upgrade ); |
| 3815 | } |
| 3816 | |