function Directory::functions

Overrides AbstractNode::functions

File

vendor/phpunit/php-code-coverage/src/Node/Directory.php, line 149

Class

Directory

@internal This class is not covered by the backward compatibility promise for phpunit/php-code-coverage

Namespace

SebastianBergmann\CodeCoverage\Node

Code

public function functions() : array {
    if ($this->functions === null) {
        $this->functions = [];
        foreach ($this->children as $child) {
            $this->functions = array_merge($this->functions, $child->functions());
        }
    }
    return $this->functions;
}