<?php
/* ex 1 */
for ($a = 1; $a <= 20; $a++)
{
echo $a;
}
/* ex 2 */
for ($a = 1; ; $a++)
{
if ($a > 20)
{
break;
}
echo $a;
}
/* ex 3 */
$a = 1;
for (; ; )
{
if ($a > 20)
{
break;
}
echo $a;
$a++;
}
?>
// ex 4 //
<?php
$ar = array(1,2,3,4,5,6,7,8,9);
foreach($ar as $key=>$val)
{
unset($ar[$key + 1]);
echo $val . PHP_EOL;
}
?>
Output:
1 2 3 4 5 6 7 8 9
// ex: 5 //
<?php
$ar = array(1,2,3,4,5,6,7,8,9);
while (list($key, $val) = each($ar))
{
unset($ar[$key + 1]);
echo $val . PHP_EOL;
}
?>
Output:
1 3 5 7 9
Wednesday, July 3, 2013
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