arginfo_class_exists 171 Zend/zend_builtin_functions.c ZEND_BEGIN_ARG_INFO_EX(arginfo_class_exists, 0, 0, 1) arginfo_class_exists 262 Zend/zend_builtin_functions.c ZEND_FE(class_exists, arginfo_class_exists) arginfo_class_exists 263 Zend/zend_builtin_functions.c ZEND_FE(interface_exists, arginfo_class_exists)