Foreach loop not working in php

For loop in php

/*
For loop in php
*/

<?php
for ($i = 0; $i < 10; $i++) {
     echo $i."<br>";
} 
?>

Foreach loop not working in php

<?php
$songs = $_POST["songs"];
//$songs = Array("one","two","three");
foreach ($songs as $song) 
{
   $songStr = test_input($song);
   $songsOut .= "<li>$songStr</li>";
};

$songList = "Songs: <ol> $songsOut </ol> \r\n";
echo $songList;

function test_input($data)
{
   $data = trim($data);
   $data = stripslashes($data);
   $data = htmlspecialchars($data);
   return $data;
}

?>

Source: stackoverflow.com

Similar codes

0 vote308 views1 answer
How to check if key is present in json in php
PHP
1 vote296 views1 answer
Laravel artisan progress bar
PHP
2 votes317 views3 answers
Wordpress get user id by email
PHP Wordpress
0 vote318 views1 answer
Laravel collection splice
PHP Laravel
0 vote383 views1 answer
Yii1 findall as array listData
PHP Yii
30 votes271 views6 answers
Artisan make auth
PHP
0 vote255 views1 answer
$_SERVER['HTTP_HOST'] site:'pantheon.io'
PHP
5 votes322 views1 answer
Eloquent chunk laravel model chunk
PHP Laravel
0 vote268 views1 answer
Javascript date to php date site:stackoverflow.com
PHP
1 vote296 views1 answer
Laravel websockets onclose
PHP Laravel