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<?php class Auto{ private $farba; private $nazov; public function __construct($paFarba, $paNazov){ echo "konstruktor"; $this->farba = $paFarba; $this->nazov = $paNazov; } public function getFarba(){ return $this->farba; } public function getNazov(){ return $this->nazov; } public function __toString(){ return "Auto: {$this->nazov} {$this->farba}"; } public function compareNazov($obj1, $obj2){ return strcmp($obj1->nazov, $obj2->nazov); } public function compareFarba($obj1, $obj2){ return strcmp($obj1->farba, $obj2->farba); } } $cars = array(new Auto("Zlta", "Volvo"), new Auto("Cervena", "Skoda"), new Auto("Zelena", "Octavia")); $car = new Auto("Fialova", "Toyota"); for ($x = 0; $x < cars.length; $x++) { echo $cars[x]; } usort($your_data, "compareNazov"); for ($x = 0; $x < cars.length; $x++) { echo $cars[x]; } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
konstruktorkonstruktorkonstruktorkonstruktor Fatal error: Uncaught Error: Undefined constant "cars" in /in/RSBq0:37 Stack trace: #0 {main} thrown in /in/RSBq0 on line 37
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
konstruktorkonstruktorkonstruktorkonstruktor Warning: Use of undefined constant cars - assumed 'cars' (this will throw an Error in a future version of PHP) in /in/RSBq0 on line 37 Warning: Use of undefined constant length - assumed 'length' (this will throw an Error in a future version of PHP) in /in/RSBq0 on line 37 Warning: usort() expects parameter 1 to be array, null given in /in/RSBq0 on line 41 Warning: Use of undefined constant cars - assumed 'cars' (this will throw an Error in a future version of PHP) in /in/RSBq0 on line 43 Warning: Use of undefined constant length - assumed 'length' (this will throw an Error in a future version of PHP) in /in/RSBq0 on line 43
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
konstruktorkonstruktorkonstruktorkonstruktor Notice: Use of undefined constant cars - assumed 'cars' in /in/RSBq0 on line 37 Notice: Use of undefined constant length - assumed 'length' in /in/RSBq0 on line 37 Warning: usort() expects parameter 1 to be array, null given in /in/RSBq0 on line 41 Notice: Use of undefined constant cars - assumed 'cars' in /in/RSBq0 on line 43 Notice: Use of undefined constant length - assumed 'length' in /in/RSBq0 on line 43

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