Synchronize substr() parameter name

Author: ondrejmirtes

phpstan-baseline.neon

@@ -111,7 +111,7 @@ parameters:
 			path: src/Reflection/BetterReflection/SourceLocator/OptimizedDirectorySourceLocator.php
 
 		-
-			message: "#^Parameter \\#1 \\$str of function substr expects string, string\\|null given\\.$#"
+			message: "#^Parameter \\#1 \\$string of function substr expects string, string\\|null given\\.$#"
 			count: 3
 			path: src/Reflection/BetterReflection/SourceLocator/OptimizedDirectorySourceLocator.php
 

resources/functionMap.php

@@ -11801,7 +11801,7 @@
 'strtr' => ['string', 'str'=>'string', 'from'=>'string', 'to'=>'string'],
 'strtr\'1' => ['string', 'str'=>'string', 'replace_pairs'=>'array'],
 'strval' => ['string', 'var'=>'mixed'],
-'substr' => ['string', 'str'=>'string', 'start'=>'int', 'length='=>'int'],
+'substr' => ['string', 'string'=>'string', 'start'=>'int', 'length='=>'int'],
 'substr_compare' => ['int|false', 'main_str'=>'string', 'str'=>'string', 'offset'=>'int', 'length='=>'int', 'case_sensitivity='=>'bool'],
 'substr_count' => ['int', 'haystack'=>'string', 'needle'=>'string', 'offset='=>'int', 'length='=>'int'],
 'substr_replace' => ['string|array', 'str'=>'string|array', 'repl'=>'mixed', 'start'=>'mixed', 'length='=>'mixed'],