Leverage str_ends_with

added the php80 polyfill to requirements when necessary

Author: Tobion

Dumper/PhpDumper.php

@@ -504,7 +504,7 @@ private function collectLineage(string $class, array &$lineage)
             return;
         }
         $file = $r->getFileName();
-        if (') : eval()\'d code' === substr($file, -17)) {
+        if (str_ends_with($file, ') : eval()\'d code')) {
             $file = substr($file, 0, strrpos($file, '(', -17));
         }
         if (!$file || $this->doExport($file) === $exportedFile = $this->export($file)) {
@@ -2095,7 +2095,7 @@ private function doExport($value, bool $resolveEnv = false)
 
         if ($resolveEnv && "'" === $export[0] && $export !== $resolvedExport = $this->container->resolveEnvPlaceholders($export, "'.\$this->getEnv('string:%s').'")) {
             $export = $resolvedExport;
-            if (".''" === substr($export, -3)) {
+            if (str_ends_with($export, ".''")) {
                 $export = substr($export, 0, -3);
                 if ("'" === $export[1]) {
                     $export = substr_replace($export, '', 18, 7);

Extension/Extension.php

@@ -66,7 +66,7 @@ public function getNamespace()
     public function getAlias()
     {
         $className = static::class;
-        if ('Extension' != substr($className, -9)) {
+        if (!str_ends_with($className, 'Extension')) {
             throw new BadMethodCallException('This extension does not follow the naming convention; you must overwrite the getAlias() method.');
         }
         $classBaseName = substr(strrchr($className, '\\'), 1, -9);

Loader/DirectoryLoader.php

@@ -49,6 +49,6 @@ public function supports($resource, $type = null)
             return true;
         }
 
-        return null === $type && \is_string($resource) && '/' === substr($resource, -1);
+        return null === $type && \is_string($resource) && str_ends_with($resource, '/');
     }
 }

Loader/FileLoader.php

@@ -91,7 +91,7 @@ public function import($resource, $type = null, $ignoreErrors = false, $sourceRe
      */
     public function registerClasses(Definition $prototype, $namespace, $resource, $exclude = null)
     {
-        if ('\\' !== substr($namespace, -1)) {
+        if (!str_ends_with($namespace, '\\')) {
             throw new InvalidArgumentException(sprintf('Namespace prefix must end with a "\\": "%s".', $namespace));
         }
         if (!preg_match('/^(?:[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+\\\\)++$/', $namespace)) {

ParameterBag/EnvPlaceholderParameterBag.php

@@ -31,7 +31,7 @@ class EnvPlaceholderParameterBag extends ParameterBag
      */
     public function get($name)
     {
-        if (0 === strpos($name, 'env(') && ')' === substr($name, -1) && 'env()' !== $name) {
+        if (0 === strpos($name, 'env(') && str_ends_with($name, ')') && 'env()' !== $name) {
             $env = substr($name, 4, -1);
 
             if (isset($this->envPlaceholders[$env])) {

composer.json

@@ -18,6 +18,7 @@
     "require": {
         "php": ">=7.1.3",
         "psr/container": "^1.0",
+        "symfony/polyfill-php80": "^1.16",
         "symfony/service-contracts": "^1.1.6|^2"
     },
     "require-dev": {