Home >Backend Development >PHP Tutorial >php指定函数参数默认值示例代码_PHP
php指定函数参数默认值示例代码_PHP
- WBOYOriginal
- 2016-06-01 11:57:50873browse
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!
");
?>
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：PHP eval函数使用介绍_PHPNext article：PHP根据IP地址获取所在城市具体实现_PHP