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函数_PHP
- WBOYOriginal
- 2016-06-01 12:39:42789browse
一个function(函数)可以使用如下语法来定义
function foo ($arg_1, $arg_2, ..., $arg_n) {
echo "Example function.\n";
return $retval;
}
任何有效的PHP代码可以出现在function(函数)中,即使是其它的函数或类定义.
Function必须在他们被引用之前定义.
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