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<?php function withoutNativeTypesLoose($arg) { printf("%s: %s is %s\n", __FUNCTION__, var_export($arg, true), $arg ? 'truthy' : 'falsy'); } function withoutNativeTypesStrict($arg) { printf("%s: %s is %s\n", __FUNCTION__, var_export($arg, true), $arg === true ? 'truthy' : 'falsy'); } function withNativeTypes(bool $arg): void { printf("%s: %s is %s\n", __FUNCTION__, var_export($arg, true), $arg ? 'truthy' : 'falsy'); } withoutNativeTypesLoose(true); withoutNativeTypesLoose(false); withoutNativeTypesLoose(1); withoutNativeTypesLoose(0); withoutNativeTypesStrict(true); withoutNativeTypesStrict(false); withoutNativeTypesStrict(1); withoutNativeTypesStrict(0); withNativeTypes(true); withNativeTypes(false); withNativeTypes(1); withNativeTypes(0);

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