<?php
/**
 * for loop (Best)
 * @param $i declaration
 * @param loop stop condition
 * @param $i modification per cycle
 */
for($i = 0; $i <= 10; $i++){
	echo $i . PHP_EOL;
}
/**
 * @return
 * 0
 * 1
 * 2
 * 3
 * 4
 * 5
 * 6
 * 7
 * 8
 * 9
 * 10
 */
/**
 * while loop (with for() its 90% useless)
 * @param loop stop condition
 */
$u = 0;
while ($u <= 10){
	echo $u . PHP_EOL;
	$u++;
}
/**
 * @return
 * 0
 * 1
 * 2
 * 3
 * 4
 * 5
 * 6
 * 7
 * 8
 * 9
 * 10
 */
/**
 * do ... while loop (for heal useless while() with a special property)
 * Special property: its do{} part run once if condition is false
 */
$v = 8;
do{
	echo $v . PHP_EOL;
	$v++;
}while($v < 7);
/**
 * foreach loop (array loop function)
 * @param an array
 * loop stops when no any value in array is left
 * each value in array($x) first it save as a variable($y)
 * then cycle start after cycle end next value replaces in $y
 */
$x = array(
		1,
		2,
		3,
		4,
		5,
		"Hello",
		"World"
);
foreach($x as $y){
	echo $y . PHP_EOL;
}
?>