Online PHP editor | output for JShq9

@ 2014-05-06T11:22:03Z

<?php

//Simple math class
class Staircase
{
	function __construct($numberOfSteps) {
		$this->numberOfSteps = $numberOfSteps;
	}
//Returns a closure
	function buildingNumberOfSteps()
	{
		//We can't directly use $this inside closure
		$thisCopy = $this;
		return function($storeysNumber) use ($thisCopy)
			{
				return $storeysNumber*$thisCopy->numberOfSteps;
			};
	}
	
	function buildingNumberOfStepsIncludingBasement()
	{
		return function($storeysNumber) 
			{
				return ($storeysNumber + 1)*$this->numberOfSteps;
			};
	}
}

$staircase = new Staircase(25);
$numberOfStepsToReachRoofTopFromGround 	 = $staircase->buildingNumberOfSteps();
$numberOfStepsToReachRoofTopFromBasement = $staircase->buildingNumberOfStepsIncludingBasement();
echo "PHP >= 5.4 allows me to climb the ".$numberOfStepsToReachRoofTopFromBasement(5)." steps to reach my rooftop from the basement while ";
echo "5.3 <= PHP < 5.4 only allows me to climb from the ground... the ".$numberOfStepsToReachRoofTopFromGround(5)." steps :(";
?>

Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Deprecated: Creation of dynamic property Staircase::$numberOfSteps is deprecated in /in/JShq9 on line 7 PHP >= 5.4 allows me to climb the 150 steps to reach my rooftop from the basement while 5.3 <= PHP < 5.4 only allows me to climb from the ground... the 125 steps :(
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28: PHP >= 5.4 allows me to climb the 150 steps to reach my rooftop from the basement while 5.3 <= PHP < 5.4 only allows me to climb from the ground... the 125 steps :(
Output for 5.3.0 - 5.3.29: Fatal error: Using $this when not in object context in /in/JShq9 on line 24
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/JShq9 on line 14
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION in /in/JShq9 on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/JShq9 on line 14
Process exited with code 255.

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