public function psr4()
    {
        $i = $this->load($this->composerPath . $this->psrFourName);

        if ($i !== false) {
            $this->log[] = 'Imported ' . $i . ' classes from psr4';
            return $i;
        }

        $this->log[] = 'Warn: psr4 not found';
        return false;
    }
public function psr4()
    {
        $i = $this->load($this->composerPath . $this->psrFourName);

        if ($i !== false) {
            $this->log[] = 'Imported ' . $i . ' classes from psr4';
            return $i;
        }

        $this->log[] = 'Warn: psr4 not found';
        return false;
    }
public function psr4 ( ) { $ i = $ this -> load ( $ this -> composerPath . $ this -> psrFourName ) ; if ( $ i !== false ) { $ this -> log [ ] = 'Imported ' . $ i . ' classes from psr4' ; return $ i ; } $ this -> log [ ] = 'Warn: psr4 not found' ; return false ; }
Load `autoload_psr4.php` classes, used by PSR-4 packages

@return int|bool Return total packages loaded, if `autoload_psr4.php`
is not accessible return `false`
Load autoload_psr4 . php classes used by PSR - 4 packages