PHP foreach
$arr = ['Item 1', 'Item 2', 'Item 3'];
foreach ($arr as $item) {
var_dump($item);
}
garzj
$arr = ['Item 1', 'Item 2', 'Item 3'];
foreach ($arr as $item) {
var_dump($item);
}<?php
$arr = ['Item 1', 'Item 2', 'Item 3'];
foreach ($arr as $item) {
var_dump($item);
}
$dict = array("key1"=>"35", "key2"=>"37", "key3"=>"43");
foreach($dict as $key => $val) {
echo "$key = $val<br>";
}
?>for($i = 0; $i <=10; $i++){
echo "The index is $i";
}
<?php
$arr = array(1, 2, 3, 4);
foreach ($arr as &$value) {
$value = $value * 2;
}
// $arr is now array(2, 4, 6, 8)
// without an unset($value), $value is still a reference to the last item: $arr[3]
foreach ($arr as $key => $value) {
// $arr[3] will be updated with each value from $arr...
echo "{$key} => {$value} ";
print_r($arr);
}
// ...until ultimately the second-to-last value is copied onto the last value
// output:
// 0 => 2 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 2 )
// 1 => 4 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 4 )
// 2 => 6 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 6 )
// 3 => 6 Array ( [0] => 2, [1] => 4, [2] => 6, [3] => 6 )
?>
<?php
$arr = array(1, 2, 3, 4);
foreach ($arr as &$value) {
$value = $value * 2;
}
// $arr is now array(2, 4, 6, 8)
unset($value); // break the reference with the last element
?>
<?php
foreach (array(1, 2, 3, 4) as &$value) {
$value = $value * 2;
}
?>