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

1 vote144 views1 answer
Php if divisible by 30
PHP
0 vote184 views2 answers
Change Initial Country For Caldera Forms Phone Fields
PHP
2 votes179 views2 answers
Laravel include config
PHP
0 vote148 views1 answer
Disable update notification for individual plugins
PHP
0 vote156 views1 answer
Laravel: get last id
PHP Laravel
1 vote171 views1 answer
Exponentiation php
PHP
1 vote158 views1 answer
Php var_export to string
PHP
1 vote145 views2 answers
Delete quotes in php
PHP
1 vote152 views1 answer
Laravel validateexception no error description
PHP
0 vote172 views1 answer
Laravel route contains particular segment
PHP Laravel