Do not use empty()

Author: sebastianbergmann

src/TextUI/Application.php

@@ -745,7 +745,7 @@ private function exitWithCrashMessage(Throwable $t): never
     {
         $message = $t->getMessage();
 
-        if (empty(trim($message))) {
+        if (trim($message) === '') {
             $message = '(no message)';
         }
 

src/TextUI/Configuration/Cli/Builder.php

@@ -958,15 +958,15 @@ public function fromParameters(array $parameters): Configuration
             }
         }
 
-        if (empty($iniSettings)) {
+        if ($iniSettings === []) {
             $iniSettings = null;
         }
 
-        if (empty($coverageFilter)) {
+        if ($coverageFilter === []) {
             $coverageFilter = null;
         }
 
-        if (empty($extensions)) {
+        if ($extensions === []) {
             $extensions = null;
         }
 

src/TextUI/Configuration/Xml/Loader.php

@@ -979,7 +979,7 @@ private function testSuite(string $filename, DOMXPath $xpath): TestSuiteCollecti
 
                 $directory = $directoryNode->textContent;
 
-                if (empty($directory)) {
+                if ($directory === '') {
                     continue;
                 }
 
@@ -1013,7 +1013,7 @@ private function testSuite(string $filename, DOMXPath $xpath): TestSuiteCollecti
                     foreach (explode(',', $directoryNode->getAttribute('groups')) as $group) {
                         $group = trim($group);
 
-                        if (empty($group)) {
+                        if ($group === '') {
                             continue;
                         }
 
@@ -1038,7 +1038,7 @@ private function testSuite(string $filename, DOMXPath $xpath): TestSuiteCollecti
 
                 $file = $fileNode->textContent;
 
-                if (empty($file)) {
+                if ($file === '') {
                     continue;
                 }
 
@@ -1060,7 +1060,7 @@ private function testSuite(string $filename, DOMXPath $xpath): TestSuiteCollecti
                     foreach (explode(',', $fileNode->getAttribute('groups')) as $group) {
                         $group = trim($group);
 
-                        if (empty($group)) {
+                        if ($group === '') {
                             continue;
                         }