//
// This function converts binair to decimal
//
function binair2decimal($number){
	$length = strlen($number); // Fetch the length of the binair input
	$current = 1;
	$sum = 0;
	
	//
	// Loop through each character of the binair input, increase $current by the power of 2
	//
	for($i = 1; $i < $length; $i++){
		$current = $current * 2;
	}
	
	//
	// Loop through each character of the binair input again
	//
	for($i = 0; $i < $length; $i++){
	
		// 
		// Check if the current character is a 1
		//
		if($number{$i} === "1"){
		
			//
			// Increase the current sum
			//
			$sum = $sum + (1 * $current);
		}
		
		//
		// Divide current by 2 for the next character
		//
		$current = $current / 2;
	}
	
	//
	// Return the sum
	//
	return $sum;
}