What is WordPress Hook: wp_validate_site_deletion
The wp_validate_site_deletion hook is a specific hook in WordPress that is used to validate the deletion of a site within a multisite network. It allows developers to perform additional checks or actions before a site is deleted.
Understanding the Hook: wp_validate_site_deletion
The wp_validate_site_deletion hook is located within the wp_validate_site_deletion() function in the WordPress core. This function is responsible for validating the deletion of a site within a multisite network. The hook is called at the beginning of the function and allows developers to modify the validation process.
Hook Parameters (if applicable): wp_validate_site_deletion
The wp_validate_site_deletion hook does not accept any arguments or parameters.
Hook Doesn’t Work: wp_validate_site_deletion
If the wp_validate_site_deletion hook doesn’t work as expected, it could be due to conflicts with other plugins or themes that modify the site deletion process. It is recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue. Additionally, checking for any syntax errors or misspelled function names in the code that uses the hook is also advised.
Best Practices & Usage Notes (if applicable): wp_validate_site_deletion
When using the wp_validate_site_deletion hook, it is important to consider the implications of modifying the site deletion process. Developers should ensure that any additional checks or actions added through the hook do not interfere with the normal operation of the multisite network. It is also recommended to thoroughly test any modifications to the site deletion process to avoid unintended consequences.
Usage Example: wp_validate_site_deletion
“`php
function custom_validate_site_deletion( $errors, $site_id ) {
// Perform custom validation checks
if ( /* custom validation condition */ ) {
$errors->add( ‘site_deletion_error’, __( ‘Custom validation error message’, ‘textdomain’ ) );
}
return $errors;
}
add_filter( ‘wp_validate_site_deletion’, ‘custom_validate_site_deletion’, 10, 2 );
“`