Password Generator

This is supposed to display microtime number in md5 encryption but only 8 letters of it but all it displays is $mc

heres code
<?php
$mc=microtime();
$mc=md5($mc);
$e= substr('$mc', 0,8);
echo $e;
?>

Change

$e= substr('$mc', 0,8);

to

$e = substr($mc, 0 8);


notice the lack of single quotes. The single quotes tell PHP you're giving it a string, so its treats it as one. Not as a variable.

this is my code now

<?php
$mc=microtime();
$mc=md5($mc);
$e = substr($mc, 0 8);
echo $e;
?>

it errors still saying;
Parse error: parse error, unexpected T_LNUMBER in /home/newage/public_html/lewis/test2.php on line 13

still the beginner. parameters of the function must be separated with commas.

your
$e = substr($mc, 0 8);
suffers a lack of them.

$e = substr($mc, 0, 8);

I had em in first place, but other guy took em out didnt notice thanks for help though and of course im a beginner...