[9.x] Use coalesce equal as provided by PHP >= 7.4

src/Illuminate/Auth/Access/Gate.php

@@ -575,7 +575,7 @@ protected function callAfterCallbacks($user, $ability, array $arguments, $result
 
             $afterResult = $after($user, $ability, $result, $arguments);
 
-            $result = $result ?? $afterResult;
+            $result ??= $afterResult;
         }
 
         return $result;

src/Illuminate/Broadcasting/BroadcastManager.php

@@ -346,7 +346,7 @@ public function setDefaultDriver($name)
      */
     public function purge($name = null)
     {
-        $name = $name ?? $this->getDefaultDriver();
+        $name ??= $this->getDefaultDriver();
 
         unset($this->drivers[$name]);
     }

src/Illuminate/Cache/CacheManager.php

@@ -368,7 +368,7 @@ public function setDefaultDriver($name)
      */
     public function forgetDriver($name = null)
     {
-        $name = $name ?? $this->getDefaultDriver();
+        $name ??= $this->getDefaultDriver();
 
         foreach ((array) $name as $cacheName) {
             if (isset($this->stores[$cacheName])) {
@@ -387,7 +387,7 @@ public function forgetDriver($name = null)
      */
     public function purge($name = null)
     {
-        $name = $name ?? $this->getDefaultDriver();
+        $name ??= $this->getDefaultDriver();
 
         unset($this->stores[$name]);
     }

src/Illuminate/Database/Concerns/BuildsQueries.php

@@ -113,9 +113,9 @@ public function each(callable $callback, $count = 1000)
      */
     public function chunkById($count, callable $callback, $column = null, $alias = null)
     {
-        $column = $column ?? $this->defaultKeyName();
+        $column ??= $this->defaultKeyName();
 
-        $alias = $alias ?? $column;
+        $alias ??= $column;
 
         $lastId = null;
 
@@ -256,9 +256,9 @@ protected function orderedLazyById($chunkSize = 1000, $column = null, $alias = n
             throw new InvalidArgumentException('The chunk size should be at least 1');
         }
 
-        $column = $column ?? $this->defaultKeyName();
+        $column ??= $this->defaultKeyName();
 
-        $alias = $alias ?? $column;
+        $alias ??= $column;
 
         return LazyCollection::make(function () use ($chunkSize, $column, $alias, $descending) {
             $lastId = null;

src/Illuminate/Database/Connectors/PostgresConnector.php

@@ -132,7 +132,7 @@ protected function parseSearchPath($searchPath)
             $searchPath = $matches[0];
         }
 
-        $searchPath = $searchPath ?? [];
+        $searchPath ??= [];
 
         array_walk($searchPath, function (&$schema) {
             $schema = trim($schema, '\'"');

src/Illuminate/Database/Eloquent/Concerns/QueriesRelationships.php

@@ -581,7 +581,7 @@ public function withAggregate($relations, $column, $function = null)
             // Finally, we will make the proper column alias to the query and run this sub-select on
             // the query builder. Then, we will return the builder instance back to the developer
             // for further constraint chaining that needs to take place on the query as needed.
-            $alias = $alias ?? Str::snake(
+            $alias ??= Str::snake(
                 preg_replace('/[^[:alnum:][:space:]_]/u', '', "$name $function $column")
             );
 

src/Illuminate/Database/Eloquent/Relations/BelongsToMany.php

@@ -934,11 +934,11 @@ public function chunkById($count, callable $callback, $column = null, $alias = n
     {
         $this->prepareQueryBuilder();
 
-        $column = $column ?? $this->getRelated()->qualifyColumn(
+        $column ??= $this->getRelated()->qualifyColumn(
             $this->getRelatedKeyName()
         );
 
-        $alias = $alias ?? $this->getRelatedKeyName();
+        $alias ??= $this->getRelatedKeyName();
 
         return $this->query->chunkById($count, function ($results) use ($callback) {
             $this->hydratePivotRelation($results->all());
@@ -990,11 +990,11 @@ public function lazy($chunkSize = 1000)
      */
     public function lazyById($chunkSize = 1000, $column = null, $alias = null)
     {
-        $column = $column ?? $this->getRelated()->qualifyColumn(
+        $column ??= $this->getRelated()->qualifyColumn(
             $this->getRelatedKeyName()
         );
 
-        $alias = $alias ?? $this->getRelatedKeyName();
+        $alias ??= $this->getRelatedKeyName();
 
         return $this->prepareQueryBuilder()->lazyById($chunkSize, $column, $alias)->map(function ($model) {
             $this->hydratePivotRelation([$model]);

src/Illuminate/Database/Eloquent/Relations/HasManyThrough.php

@@ -508,9 +508,9 @@ public function chunk($count, callable $callback)
      */
     public function chunkById($count, callable $callback, $column = null, $alias = null)
     {
-        $column = $column ?? $this->getRelated()->getQualifiedKeyName();
+        $column ??= $this->getRelated()->getQualifiedKeyName();
 
-        $alias = $alias ?? $this->getRelated()->getKeyName();
+        $alias ??= $this->getRelated()->getKeyName();
 
         return $this->prepareQueryBuilder()->chunkById($count, $callback, $column, $alias);
     }
@@ -564,9 +564,9 @@ public function lazy($chunkSize = 1000)
      */
     public function lazyById($chunkSize = 1000, $column = null, $alias = null)
     {
-        $column = $column ?? $this->getRelated()->getQualifiedKeyName();
+        $column ??= $this->getRelated()->getQualifiedKeyName();
 
-        $alias = $alias ?? $this->getRelated()->getKeyName();
+        $alias ??= $this->getRelated()->getKeyName();
 
         return $this->prepareQueryBuilder()->lazyById($chunkSize, $column, $alias);
     }

src/Illuminate/Database/Schema/MySqlSchemaState.php

@@ -118,7 +118,7 @@ protected function connectionString()
      */
     protected function baseVariables(array $config)
     {
-        $config['host'] = $config['host'] ?? '';
+        $config['host'] ??= '';
 
         return [
             'LARAVEL_LOAD_SOCKET' => $config['unix_socket'] ?? '',

src/Illuminate/Database/Schema/PostgresBuilder.php

@@ -241,7 +241,7 @@ protected function parseSearchPath($searchPath)
             $searchPath = $matches[0];
         }
 
-        $searchPath = $searchPath ?? [];
+        $searchPath ??= [];
 
         array_walk($searchPath, function (&$schema) {
             $schema = trim($schema, '\'"');

src/Illuminate/Database/Schema/PostgresSchemaState.php

@@ -69,7 +69,7 @@ protected function baseDumpCommand()
      */
     protected function baseVariables(array $config)
     {
-        $config['host'] = $config['host'] ?? '';
+        $config['host'] ??= '';
 
         return [
             'LARAVEL_LOAD_HOST' => is_array($config['host']) ? $config['host'][0] : $config['host'],

src/Illuminate/Filesystem/FilesystemManager.php

@@ -128,7 +128,7 @@ protected function get($name)
      */
     protected function resolve($name, $config = null)
     {
-        $config = $config ?? $this->getConfig($name);
+        $config ??= $this->getConfig($name);
 
         if (empty($config['driver'])) {
             throw new InvalidArgumentException("Disk [{$name}] does not have a configured driver.");
@@ -352,7 +352,7 @@ public function forgetDisk($disk)
      */
     public function purge($name = null)
     {
-        $name = $name ?? $this->getDefaultDriver();
+        $name ??= $this->getDefaultDriver();
 
         unset($this->disks[$name]);
     }

src/Illuminate/Foundation/Testing/WithFaker.php

@@ -43,7 +43,7 @@ protected function faker($locale = null)
      */
     protected function makeFaker($locale = null)
     {
-        $locale = $locale ?? config('app.faker_locale', Factory::DEFAULT_LOCALE);
+        $locale ??= config('app.faker_locale', Factory::DEFAULT_LOCALE);
 
         if (isset($this->app) && $this->app->bound(Generator::class)) {
             return $this->app->make(Generator::class, ['locale' => $locale]);

src/Illuminate/Log/LogManager.php

@@ -194,7 +194,7 @@ protected function createEmergencyLogger()
      */
     protected function resolve($name, ?array $config = null)
     {
-        $config = $config ?? $this->configurationFor($name);
+        $config ??= $this->configurationFor($name);
 
         if (is_null($config)) {
             throw new InvalidArgumentException("Log [{$name}] is not defined.");
@@ -517,10 +517,10 @@ public function forgetChannel($driver = null)
      */
     protected function parseDriver($driver)
     {
-        $driver = $driver ?? $this->getDefaultDriver();
+        $driver ??= $this->getDefaultDriver();
 
         if ($this->app->runningUnitTests()) {
-            $driver = $driver ?? 'null';
+            $driver ??= 'null';
         }
 
         return $driver;

src/Illuminate/Mail/Mailable.php

@@ -1078,7 +1078,7 @@ protected function renderForAssertions()
                 $text = $view[1];
             }
 
-            $text = $text ?? $view['text'] ?? '';
+            $text ??= $view['text'] ?? '';
 
             if (! empty($text) && ! $text instanceof Htmlable) {
                 $text = Container::getInstance()->make('mailer')->render(

src/Illuminate/Routing/Console/ControllerMakeCommand.php

@@ -68,7 +68,7 @@ protected function getStub()
             $stub = str_replace('.stub', '.api.stub', $stub);
         }
 
-        $stub = $stub ?? '/stubs/controller.plain.stub';
+        $stub ??= '/stubs/controller.plain.stub';
 
         return $this->resolveStubPath($stub);
     }

src/Illuminate/Routing/Route.php

@@ -780,7 +780,7 @@ public function getPrefix()
      */
     public function prefix($prefix)
     {
-        $prefix = $prefix ?? '';
+        $prefix ??= '';
 
         $this->updatePrefixOnAction($prefix);
 

src/Illuminate/Support/MultipleInstanceManager.php

@@ -139,7 +139,7 @@ protected function callCustomCreator(array $config)
      */
     public function forgetInstance($name = null)
     {
-        $name = $name ?? $this->getDefaultInstance();
+        $name ??= $this->getDefaultInstance();
 
         foreach ((array) $name as $instanceName) {
             if (isset($this->instances[$instanceName])) {
@@ -158,7 +158,7 @@ public function forgetInstance($name = null)
      */
     public function purge($name = null)
     {
-        $name = $name ?? $this->getDefaultInstance();
+        $name ??= $this->getDefaultInstance();
 
         unset($this->instances[$name]);
     }

src/Illuminate/Validation/Concerns/ValidatesAttributes.php

@@ -866,7 +866,7 @@ public function validateUnique($attribute, $value, $parameters)
      */
     protected function getUniqueIds($idColumn, $parameters)
     {
-        $idColumn = $idColumn ?? $parameters[3] ?? 'id';
+        $idColumn ??= $parameters[3] ?? 'id';
 
         return [$idColumn, $this->prepareUniqueId($parameters[2])];
     }
@@ -923,7 +923,7 @@ public function parseTable($table)
             $model = new $table;
 
             $table = $model->getTable();
-            $connection = $connection ?? $model->getConnectionName();
+            $connection ??= $model->getConnectionName();
 
             if (str_contains($table, '.') && Str::startsWith($table, $connection)) {
                 $connection = null;

src/Illuminate/View/Compilers/BladeCompiler.php

@@ -524,7 +524,7 @@ protected function compileStatement($match)
      */
     protected function callCustomDirective($name, $value)
     {
-        $value = $value ?? '';
+        $value ??= '';
 
         if (str_starts_with($value, '(') && str_ends_with($value, ')')) {
             $value = Str::substr($value, 1, -1);