Class functie statisch en niet-statisch tegelijk maken

class File {
    public $location = null;

    public function __construct($location) {
        $this->location = $location;
    }

    public function getContents($location = null) {
        $location = isset($this) ? $this->location : $location;
        // return de contents
    }
}

class File {
    public $location = null;
 
    public function __construct($location) {
        $this->location = $location;
    }
 
    public function getContents($location = null) {
        $location = isset($this) ? $this->location : $location;
        // return de contents
    }
}

class Andere {
	public function doeWat($location) {
		echo strrev(File::getContents($location));
	}
}

$andere = new Andere;
$andere->doeWat('bestand.txt');

class Andere {
	public function doeWat($location) {
		echo strrev(File::getContents($location));
	}
}
 
$andere = new Andere;
$andere->doeWat('bestand.txt');

<?php
class File {
  // ...
  public static getFileContents($location = null) {
    $temp = new File($location);
    return $temp->getContents();
  }
}

<?php
class File {
  // ...
  public static getFileContents($location = null) {
    $temp = new File($location);
    return $temp->getContents();
  }
}

$location = isset($this) ? $this->location : $location;

$location = isset($this) ? $this->location : $location;

$location = isset($this) && get_class($this) === 'File' ? $this->location : $location;

$location = isset($this) && get_class($this) === 'File' ? $this->location : $location;

File::temp("path")->getContents(); 
// create/factory/... een andere naam kan ook 

File::temp("path")->getContents(); 
// create/factory/... een andere naam kan ook