Add example for float constant

Author: kocsismate

ext/standard/basic_functions.c

@@ -292,6 +292,8 @@ PHP_MINIT_FUNCTION(basic) /* {{{ */
 # endif
 #endif
 
+	register_basic_functions_consts(module_number);
+
 	php_ce_incomplete_class = register_class___PHP_Incomplete_Class();
 	php_register_incomplete_class_handlers();
 
@@ -322,7 +324,6 @@ PHP_MINIT_FUNCTION(basic) /* {{{ */
 	REGISTER_LONG_CONSTANT("PHP_QUERY_RFC3986", PHP_QUERY_RFC3986, CONST_CS | CONST_PERSISTENT);
 
 #define REGISTER_MATH_CONSTANT(x)  REGISTER_DOUBLE_CONSTANT(#x, x, CONST_CS | CONST_PERSISTENT)
-	REGISTER_MATH_CONSTANT(M_E);
 	REGISTER_MATH_CONSTANT(M_LOG2E);
 	REGISTER_MATH_CONSTANT(M_LOG10E);
 	REGISTER_MATH_CONSTANT(M_LN2);

ext/standard/basic_functions.stub.php

@@ -2,6 +2,12 @@
 
 /** @generate-class-entries */
 
+/**
+ * @var float
+ * @cname M_E
+ */
+const M_E = 2.7182818284590452354;
+
 final class __PHP_Incomplete_Class
 {
 }

ext/standard/basic_functions_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: b1c51fabe59bba6706500365f3eb7d9676d625f6 */
+ * Stub hash: 29f2ff95da2c07a61f23729da63ada536d2980d1 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_set_time_limit, 0, 1, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO(0, seconds, IS_LONG, 0)
@@ -3515,6 +3515,12 @@ static const zend_function_entry class_AssertionError_methods[] = {
 	ZEND_FE_END
 };
 
+static void register_basic_functions_consts(int module_number)
+{
+    REGISTER_DOUBLE_CONSTANT("M_E", M_E, CONST_CS | CONST_PERSISTENT);
+    ZEND_ASSERT(M_E == 2.7182818284590451);
+}
+
 static zend_class_entry *register_class___PHP_Incomplete_Class(void)
 {
 	zend_class_entry ce, *class_entry;