Make error_reporting=E_ALL the default

Author: nikic

UPGRADING

@@ -42,6 +42,8 @@ PHP 8.0 UPGRADE NOTES
   . Any array that has a number n as its first numeric key will use n+1 for
     its next implicit key. Even if n is negative.
     RFC: https://wiki.php.net/rfc/negative_array_index
+  . The default error_reporting level is now E_ALL. Previously it excluded
+    E_NOTICE and E_DEPRECATED.
   . The @ operator will no longer silence fatal errors (E_ERROR, E_CORE_ERROR,
     E_COMPILE_ERROR, E_USER_ERROR, E_RECOVERABLE_ERROR, E_PARSE). Error handlers
     that expect error_reporting to be 0 when @ is used, should be adjusted to

Zend/zend.c

@@ -94,7 +94,7 @@ ZEND_API zend_bool zend_rc_debug = 0;
 static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */
 {
 	if (!new_value) {
-		EG(error_reporting) = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED;
+		EG(error_reporting) = E_ALL;
 	} else {
 		EG(error_reporting) = atoi(ZSTR_VAL(new_value));
 	}

php.ini-development

@@ -104,7 +104,7 @@
 ;   Production Value: Off
 
 ; error_reporting
-;   Default Value: E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
+;   Default Value: E_ALL
 ;   Development Value: E_ALL
 ;   Production Value: E_ALL & ~E_DEPRECATED & ~E_STRICT
 
@@ -449,7 +449,7 @@ memory_limit = 128M
 ;   E_ALL & ~E_NOTICE  (Show all errors, except for notices)
 ;   E_ALL & ~E_NOTICE & ~E_STRICT  (Show all errors, except for notices and coding standards warnings.)
 ;   E_COMPILE_ERROR|E_RECOVERABLE_ERROR|E_ERROR|E_CORE_ERROR  (Show only errors)
-; Default Value: E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
+; Default Value: E_ALL
 ; Development Value: E_ALL
 ; Production Value: E_ALL & ~E_DEPRECATED & ~E_STRICT
 ; http://php.net/error-reporting

php.ini-production

@@ -104,7 +104,7 @@
 ;   Production Value: Off
 
 ; error_reporting
-;   Default Value: E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
+;   Default Value: E_ALL
 ;   Development Value: E_ALL
 ;   Production Value: E_ALL & ~E_DEPRECATED & ~E_STRICT
 
@@ -451,7 +451,7 @@ memory_limit = 128M
 ;   E_ALL & ~E_NOTICE  (Show all errors, except for notices)
 ;   E_ALL & ~E_NOTICE & ~E_STRICT  (Show all errors, except for notices and coding standards warnings.)
 ;   E_COMPILE_ERROR|E_RECOVERABLE_ERROR|E_ERROR|E_CORE_ERROR  (Show only errors)
-; Default Value: E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
+; Default Value: E_ALL
 ; Development Value: E_ALL
 ; Production Value: E_ALL & ~E_DEPRECATED & ~E_STRICT
 ; http://php.net/error-reporting