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<?php class BaseClass { public function foo() { var_dump(class_exists("ProjectManagementConfig")); echo ProjectManagementConfig::FOO; } } class ProjectManagementConfig extends BaseClass { const FOO = "Bar"; } $pmc = new ProjectManagementConfig; $pmc->foo();
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) Bar

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