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

45 votes365 views6 answers
Laravel run seeder
PHP
20 votes368 views4 answers
Laravel where is null
PHP Laravel
3 votes335 views3 answers
Laravel notification
PHP
0 vote321 views1 answer
Substr_count excact match php
PHP
0 vote322 views1 answer
Delete image s3 laravel
PHP Laravel
0 vote370 views1 answer
What is better, php or javascript
PHP
3 votes378 views2 answers
Laravel image max size validation
PHP Laravel
40 votes370 views6 answers
Laravel create migration
PHP
1 vote314 views1 answer
Js change h1 value
PHP
1 vote248 views10 answers
Loop object by value php
PHP