<code>$a = 'Hello, world!	';
echo $a;</code><pre>Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
0
</pre><code>$qwertyqwertyqwertyqwertyqwerrty = 'Hello, world!	';
echo $qwertyqwertyqwertyqwertyqwerrty;</code><pre>Hello, world!	0
Hello, world!	0
Hello, world!	0.0011920929
Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
Hello, world!	0
0.00011920929
</pre>