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php指定函数参数默认值示例代码_PHP
- WBOYOriginal
- 2016-06-01 11:57:50840browse
例1
复制代码 代码如下:
function printMe($param = NULL)
{
print $param;
}
printMe("This is test");
printMe();
?>
输出结果：
This is test
例2 php函数参数默认值的使用范例，php函数参数中设置和使用默认值。
复制代码 代码如下:
function textonweb ($content, $fontsize=3){
echo "$content";
}
textonweb ("A
", 7);
textonweb ("AA.
");
textonweb ("AAA.
");
textonweb ("AAAA!
");
?>
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