例1
php函数指定默认值-www.jb51.net
function printMe($param = NULL)
{
print $param;
}
printMe("This is test");
printMe();
?>
输出结果:
This is test
例2 php函数参数默认值的使用范例,php函数参数中设置和使用默认值。
php函数参数默认值 - www.jb51.net
function textonweb ($content, $fontsize=3){
echo "$content";
}
textonweb ("A
", 7);
textonweb ("AA.
");
textonweb ("AAA.
");
textonweb ("AAAA!
");
?>
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