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 vote300 views1 answer
<?php echo do_shortcode('[gravityform id="1" title="false" description="false" ajax="true"]') ?>
PHP
1 vote366 views2 answers
Send variable to get_template_part
PHP
15 votes359 views3 answers
Laravel make model with migration 5.8
PHP
3 votes355 views10 answers
Traductor
PHP
1 vote343 views2 answers
Php echo number 2 decimal places "print_r"
PHP
26 votes388 views6 answers
Php get date between two dates
PHP
0 vote334 views1 answer
Laravel command Retrieve a specific option
PHP
0 vote332 views1 answer
What are the different types of PHP variables?
PHP
3 votes399 views3 answers
Laravel get certain columns
PHP Laravel
3 votes333 views2 answers
Order number generate laravel
PHP