Implemented FR #45235 A way to clear or reset the results for error_get_last()

ext/standard/basic_functions.c

@@ -685,6 +685,9 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_INFO_EX(arginfo_error_get_last, 0, 0, 0)
 ZEND_END_ARG_INFO()
 
+ZEND_BEGIN_ARG_INFO_EX(arginfo_error_clear_last, 0, 0, 0)
+ZEND_END_ARG_INFO()
+
 ZEND_BEGIN_ARG_INFO_EX(arginfo_call_user_func, 0, 0, 1)
 	ZEND_ARG_INFO(0, function_name)
 	ZEND_ARG_VARIADIC_INFO(0, parameters)
@@ -2942,6 +2945,7 @@ const zend_function_entry basic_functions[] = { /* {{{ */
 
 	PHP_FE(error_log,														arginfo_error_log)
 	PHP_FE(error_get_last,													arginfo_error_get_last)
+	PHP_FE(error_clear_last,													arginfo_error_clear_last)
 	PHP_FE(call_user_func,													arginfo_call_user_func)
 	PHP_FE(call_user_func_array,											arginfo_call_user_func_array)
 	PHP_FE(forward_static_call,											arginfo_forward_static_call)
@@ -4700,6 +4704,33 @@ PHP_FUNCTION(error_get_last)
 }
 /* }}} */
 
+/* {{{ proto bool error_clear_last()
+   Clear the last occurred error. Returns false if there hasn't been an error yet. */
+PHP_FUNCTION(error_clear_last)
+{
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "") == FAILURE) {
+		return;
+	}
+
+	if (PG(last_error_message)) {
+		PG(last_error_type) = 0;
+		PG(last_error_lineno) = 0;
+
+		free(PG(last_error_message));
+		PG(last_error_message) = NULL;
+
+		if (PG(last_error_file)) {
+			free(PG(last_error_file));
+			PG(last_error_file) = NULL;
+		}
+
+		RETURN_TRUE;
+	}
+
+	RETURN_FALSE;
+}
+/* }}} */
+
 /* {{{ proto mixed call_user_func(mixed function_name [, mixed parmeter] [, mixed ...])
    Call a user function which is the first parameter
    Warning: This function is special-cased by zend_compile.c and so is usually bypassed */

ext/standard/basic_functions.h

@@ -81,6 +81,7 @@ PHP_FUNCTION(get_magic_quotes_gpc);
 
 PHP_FUNCTION(error_log);
 PHP_FUNCTION(error_get_last);
+PHP_FUNCTION(error_clear_last);
 
 PHP_FUNCTION(call_user_func);
 PHP_FUNCTION(call_user_func_array);

ext/standard/tests/general_functions/error_clear_last.phpt

@@ -0,0 +1,33 @@
+--TEST--
+error_clear_last() tests
+--FILE--
+<?php
+
+var_dump(error_get_last());
+
+var_dump(error_clear_last());
+
+@$a = $b;
+
+var_dump(error_get_last());
+var_dump(error_clear_last());
+var_dump(error_get_last());
+
+echo "Done\n";
+?>
+--EXPECTF--	
+NULL
+bool(false)
+array(4) {
+  ["type"]=>
+  int(8)
+  ["message"]=>
+  string(21) "Undefined variable: b"
+  ["file"]=>
+  string(%d) "%s"
+  ["line"]=>
+  int(%d)
+}
+bool(true)
+NULL
+Done