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<?php $GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['test'] ??= []; $GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['test']['frontend'] ??= 'some frontend'; $GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['test']['backend'] ??= 'some backend'; $GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['test']['options'] ??= ['defaultLifetime' => 0]; var_dump($GLOBALS['TYPO3_CONF_VARS']);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["SYS"]=> array(1) { ["caching"]=> array(1) { ["cacheConfigurations"]=> array(1) { ["test"]=> array(3) { ["frontend"]=> string(13) "some frontend" ["backend"]=> string(12) "some backend" ["options"]=> array(1) { ["defaultLifetime"]=> int(0) } } } } } }

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