Fix "can not" spelling

Author: mvorisek

Command/Command.php

@@ -76,9 +76,6 @@ public static function getDefaultName()
         return $class === $r->class ? static::$defaultName : null;
     }
 
-    /**
-     * @return string|null
-     */
     public static function getDefaultDescription(): ?string
     {
         $class = static::class;
@@ -173,7 +170,7 @@ public function getApplication()
     /**
      * Checks whether the command is enabled or not in the current environment.
      *
-     * Override this to check for x or y and return false if the command can not
+     * Override this to check for x or y and return false if the command cannot
      * run properly under the current conditions.
      *
      * @return bool

Question/Question.php

@@ -111,7 +111,7 @@ public function setHidden(bool $hidden)
     }
 
     /**
-     * In case the response can not be hidden, whether to fallback on non-hidden question or not.
+     * In case the response cannot be hidden, whether to fallback on non-hidden question or not.
      *
      * @return bool
      */
@@ -121,7 +121,7 @@ public function isHiddenFallback()
     }
 
     /**
-     * Sets whether to fallback on non-hidden question if the response can not be hidden.
+     * Sets whether to fallback on non-hidden question if the response cannot be hidden.
      *
      * @return $this
      */

Tests/ApplicationTest.php

@@ -92,7 +92,7 @@ protected function normalizeLineBreaks($text)
     /**
      * Replaces the dynamic placeholders of the command help text with a static version.
      * The placeholder %command.full_name% includes the script path that is not predictable
-     * and can not be tested against.
+     * and cannot be tested against.
      */
     protected function ensureStaticCommandHelp(Application $application)
     {

Tests/Descriptor/AbstractDescriptorTest.php

@@ -50,7 +50,7 @@ public function testDescribeApplication(Application $application, $expectedDescr
     {
         // Replaces the dynamic placeholders of the command help text with a static version.
         // The placeholder %command.full_name% includes the script path that is not predictable
-        // and can not be tested against.
+        // and cannot be tested against.
         foreach ($application->all() as $command) {
             $command->setHelp(str_replace('%command.full_name%', 'app/console %command.name%', $command->getHelp()));
         }

Tests/Input/InputArgumentTest.php

@@ -52,7 +52,7 @@ public function testIsArray()
         $argument = new InputArgument('foo', InputArgument::OPTIONAL | InputArgument::IS_ARRAY);
         $this->assertTrue($argument->isArray(), '->isArray() returns true if the argument can be an array');
         $argument = new InputArgument('foo', InputArgument::OPTIONAL);
-        $this->assertFalse($argument->isArray(), '->isArray() returns false if the argument can not be an array');
+        $this->assertFalse($argument->isArray(), '->isArray() returns false if the argument cannot be an array');
     }
 
     public function testGetDescription()

Tests/Input/InputOptionTest.php

@@ -116,7 +116,7 @@ public function testIsArray()
         $option = new InputOption('foo', null, InputOption::VALUE_OPTIONAL | InputOption::VALUE_IS_ARRAY);
         $this->assertTrue($option->isArray(), '->isArray() returns true if the option can be an array');
         $option = new InputOption('foo', null, InputOption::VALUE_NONE);
-        $this->assertFalse($option->isArray(), '->isArray() returns false if the option can not be an array');
+        $this->assertFalse($option->isArray(), '->isArray() returns false if the option cannot be an array');
     }
 
     public function testGetDescription()