PHP练习-计算两个文件的相对路径
2020-09-02 19:54 By
"Powerless"
2724
0
2
思路分析
从两个路径不同处开始用../填充之后的路径填充完毕后拼接B文件名称(不考虑不同目录)
function filePath($file1,$file2)
{
$f1 = explode('/',$file1);
$f2 = explode('/',$file2);
$path = '';
foreach ($f1 as $k => $v){
if(!array_key_exists($k,$f2)){
$path .= '../';
}
if(strspn('.',$v)){
$path .= end($f2);
}
}
return $path;
}
$f1 = 'a/b/c/d/e.php';
$f2 = 'a/b/c/f.php';
echo filePath($f1,$f2);
输出结果：../f.php
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