PHP Webmozart\Console\Api\Command CommandCollection::isEmpty示例

isEmpty() public method

Returns whether the collection is empty.

public isEmpty ( ) : boolean
return	boolean	Returns `true` if the collection is empty and `false` otherwise.

示例#1

文件： ConsoleApplication.php 项目： webmozart/console

 /**
  * {@inheritdoc}
  */
 public function hasCommands()
 {
     return !$this->commands->isEmpty();
 }

示例#2

文件： Command.php 项目： webmozart/console

 /**
  * Returns whether the command has any sub-commands.
  *
  * @return bool Returns `true` if the command has sub-commands and `false`
  *              otherwise.
  */
 public function hasSubCommands()
 {
     return !$this->subCommands->isEmpty();
 }