Why some use @ before functions ?

[HostOnNet]

Hi,

Why some use @ before php functions ?

For example

@mysql_query($sql);

Here is an code from http://in.php.net/mysql_query

<?
function q($query,$assoc=1) {
    $r = @mysql_query($query);
    if( mysql_errno() ) {
        $error = 'MYSQL ERROR #'.mysql_errno().' : <small>' . mysql_error(). '</small><br><VAR>$query</VAR>';
        echo($error); return FALSE;
    }

Thanks,

Yujin

[byron3@earthlink]

The @ before a function is an error message supression. You can use this and your code will continue to execute even if there is an error with the function, but if the results of your code are not what you expect and you are looking for causes you might want to leave these out of your code.

[HostOnNet]

Thanks for the reply.

Have another question. I use code like

$result = mysql_query($query); 

If i do not use $result, can i just use

mysql_query($query); 

When i use like $result = mysql_query($query); ZendStudio says "Expression result is never used"

Removing "$result = " part is correct thing if i have no use of the result ?

[php_daemon]

One of the worst things php has, with all warnings and crap, why wouldn't they just use exceptions, which are already there in php5 since long ago. Gives me real headaches at times.</rant>

[php_daemon]

Thanks for the reply.

Have another question. I use code like

$result = mysql_query($query); 

If i do not use $result, can i just use

mysql_query($query); 

When i use like $result = mysql_query($query); ZendStudio says "Expression result is never used"

Removing "$result = " part is correct thing if i have no use of the result ?

Sure