Here is a cheat sheet I have built as time goes. I add to it for items when I find snippets that would help me at times. No one can remember everything.
Examples
######################################
RETURN PATH
mail($SendTo, $SubjectLine, $MsgBody, "From: " . $SendFrom."\nReturn-Path: ".$returnpath);
######################################
CLEAR PREDEFINES VALUE OF FIELD
onFocus="javascript:this.value=''"
######################################
ADDSLASHES
#############
if (!get_magic_quotes_gpc()) {
$str = addslashes($content);
} else {
$str = $content;
}
######################################
GROUP POST, GET AND COOKIE INTO ONE ARRAY
$_REQ = array_merge($_POST,$_GET,$_COOKIE);
######################################
GET CURRENT DIRECTORY NAME
$value1 = basename(dirname(__FILE__));
echo $value1."<br>";
GET ROOT PATH TO CURRENT DIRECTORY NAME
$value1 = dirname(__FILE__);
echo $value1."<br>";
Click the attachement below.