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<?php $configuration = array( 'controllerConfiguration' => array( 'TheFirstController' => array( ), ) ); $var = current(array_keys($configuration['controllerConfiguration'])); var_dump($var); unset($configuration['controllerConfiguration']['TheFirstController']); $configuration['controllerConfiguration'] = array(); $var = current(array_keys($configuration['controllerConfiguration'])); var_dump($var);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.4, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.22, 8.1.0 - 8.1.9
string(18) "TheFirstController" bool(false)
Output for 5.0.5
Fatal error: Only variables can be passed by reference in /in/UO3aI on line 9
Process exited with code 255.

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73.9 ms | 409 KiB | 5 Q