PHP strip_whitespace() 函数
定义和用法
The strip_whitespace() function returns the source code file with PHP comments and whitespace characters removed.
This function is very useful for detecting the actual code volume in scripts.
语法
strip_whitespace(filename)
| 参数 | 描述 |
|---|---|
| filename | 必需。规定文件名。 |
说明
If successful, it returns the stripped source code, if failed, it returns an empty string.
注释：In PHP 5.0.1, the behavior of this function is consistent with the above description. Before that, it only returned an empty string.
实例
"test.php":
<?php
// PHP comment
/*
* Another PHP comment
*/
echo php_strip_whitespace ("test.php");
?>
输出：
<?php
echo php_strip_whitespace ("test.php");
?>
