extract() cannot return null anymore

Author: Girgias

ext/standard/array.c

@@ -2427,7 +2427,7 @@ static zend_long php_extract_skip(zend_array *arr, zend_array *symbol_table) /*
 }
 /* }}} */
 
-/* {{{ proto int|null extract(array var_array [, int extract_type [, string prefix]])
+/* {{{ proto int extract(array var_array [, int extract_type [, string prefix]])
    Imports variables into symbol table from an array */
 PHP_FUNCTION(extract)
 {

ext/standard/basic_functions.stub.php

@@ -139,7 +139,7 @@ function in_array($needle, array $haystack, bool $strict = false): bool {}
 function array_search($needle, array $haystack, bool $strict = false) {}
 
 /** @prefer-ref $arg */
-function extract(array &$arg, int $extract_type = EXTR_OVERWRITE, string $prefix = ""): ?int {}
+function extract(array &$arg, int $extract_type = EXTR_OVERWRITE, string $prefix = ""): int {}
 
 function compact($var_name, ...$var_names): array {}
 

ext/standard/basic_functions_arginfo.h

@@ -150,7 +150,7 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_array_search, 0, 0, 2)
 	ZEND_ARG_TYPE_INFO(0, strict, _IS_BOOL, 0)
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_extract, 0, 1, IS_LONG, 1)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_extract, 0, 1, IS_LONG, 0)
 	ZEND_ARG_TYPE_INFO(ZEND_SEND_PREFER_REF, arg, IS_ARRAY, 0)
 	ZEND_ARG_TYPE_INFO(0, extract_type, IS_LONG, 0)
 	ZEND_ARG_TYPE_INFO(0, prefix, IS_STRING, 0)