Leverage str_ends_with

added the php80 polyfill to requirements when necessary

Author: Tobion

OptionsResolver.php

@@ -927,7 +927,7 @@ public function offsetGet($option/*, bool $triggerDeprecation = true*/)
                 $fmtAllowedTypes = implode('" or "', $this->allowedTypes[$option]);
                 $fmtProvidedTypes = implode('|', array_keys($invalidTypes));
                 $allowedContainsArrayType = \count(array_filter($this->allowedTypes[$option], static function ($item) {
-                    return '[]' === substr(self::TYPE_ALIASES[$item] ?? $item, -2);
+                    return str_ends_with(self::TYPE_ALIASES[$item] ?? $item, '[]');
                 })) > 0;
 
                 if (\is_array($value) && $allowedContainsArrayType) {

composer.json

@@ -16,7 +16,8 @@
         }
     ],
     "require": {
-        "php": ">=7.1.3"
+        "php": ">=7.1.3",
+        "symfony/polyfill-php80": "^1.16"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\OptionsResolver\\": "" },