foreach php with key code example

Example 1: php foreach echo key value

foreach($page as $key => $value) {
  echo "$key is at $value";
}

Example 2: loop through values of hash php

foreach ($array as $key => $val) {
    print "$key = $val\n";
}

Example 3: foreach loop in php

<?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>";
}
?>

Example 4: foreach in php

$arr = array(
	'key1' => 'val',
	'key2' => 'another',
	'another' => 'more stuff' 
);
foreach ($arr as $key => $val){
	//do stuff
}

//or alt syntax
foreach ($arr as $key => $val) :
   //do stuff here as well
endforeach;

Example 5: foreach ph

<?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
?>