ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION 5694 Zend/zend_compile.c 	    !(CG(compiler_options) & ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION) &&
ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION 1390 ext/opcache/ZendAccelerator.c 		CG(compiler_options) |= ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION;