PHP arrays: Ending comma [simple] test...

output.txt

2
foo => hello
bar => world
hello,world
Array
(
    [0] => foo
    [1] => bar
    [2] => 
)

test.php

<?php
	
	ini_set('display_errors', 1);
	ini_set('log_errors', 1);
	error_reporting(E_ALL);
	
	header('Content-type: text/plain');
	$a = array('foo' => 'hello', 'bar' => 'world',);
	echo count($a) . "\n";
	foreach ($a as $k => $v) echo $k . ' => ' . $v . "\n";
	echo implode(',', $a);
	$s = 'foo,bar,';
	echo "\n";
	print_r(explode(',', $s));
	
?>