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<?php
namespace Yoast\WP\SEO\Services\Health_Check;
/**
* Abstract class for all health checks. Provides a uniform interface for the Health_Check_Integration.
*/
abstract class Health_Check {
/**
* The prefix to add to the test identifier. Used to differentiate between Yoast's health checks, and other health checks.
*/
public const TEST_IDENTIFIER_PREFIX = 'yoast-';
/**
* The object that runs the actual health check.
*
* @var Runner_Interface
*/
private $runner;
/**
* The health check implementation sets the runner so this class can start a health check.
*
* @param Runner_Interface $runner The health check runner.
* @return void
*/
protected function set_runner( $runner ) {
$this->runner = $runner;
}
/**
* Returns the identifier of health check implementation. WordPress needs this to manage the health check (https://developer.wordpress.org/reference/hooks/site_status_tests/).
*
* @return string The identifier that WordPress requires.
*/
public function get_test_identifier() {
$full_class_name = static::class;
$class_name_backslash_index = \strrpos( $full_class_name, '\\' );
$class_name = $full_class_name;
if ( $class_name_backslash_index ) {
$class_name_index = ( $class_name_backslash_index + 1 );
$class_name = \substr( $full_class_name, $class_name_index );
}
$lowercase = \strtolower( $class_name );
$whitespace_as_dashes = \str_replace( '_', '-', $lowercase );
$with_prefix = self::TEST_IDENTIFIER_PREFIX . $whitespace_as_dashes;
return $with_prefix;
}
/**
* Runs the health check, and returns its result in the format that WordPress requires to show the results to the user (https://developer.wordpress.org/reference/hooks/site_status_test_result/).
*
* @return string[] The array containing a WordPress site status report.
*/
public function run_and_get_result() {
$this->runner->run();
return $this->get_result();
}
/**
* Gets the result from the health check implementation.
*
* @return string[] The array containing a WordPress site status report.
*/
abstract protected function get_result();
/**
* Returns whether the health check should be excluded from the results.
*
* @return bool Whether the check should be excluded.
*/
abstract public function is_excluded();
}