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<?php class CI_Config {} if (!class_exists('MX_Config')) { class MX_Config extends CI_Config {} } class MY_Config extends MX_Config {} $config = new MY_Config(); var_dump( $config instanceof MX_Config, $config instanceof CI_Config );
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(true) bool(true)
preferences:
113.37 ms | 408 KiB | 5 Q