本篇文章是对用PHP计算两个路径的相对路径进行了详细的分析介绍,需要的朋友参考下
复制代码 代码如下:
function relativePath($aPath, $bPath) {
$aArr = explode('/', $aPath); //explode函数用于切分字符串,返回切分后的数组,此处用'/'切分字符串
$bArr = explode('/', $bPath);
$aDiffToB = array_diff_assoc($aArr, $bArr); //array_diff_assoc()用于获取A数组与B数组之间元素的差集,Key和Value都不相同视为不同元素,此处返回在A数组中且与B数组不相同的元素
$count = count($aDiffToB);
$path = '';
for($i = 0; $i
$path .= '../';
}
$path .= implode('/', $aDiffToB); //implode()用于使用指定字符串连接数组元素,此处返回用'/'连接数组元素后的字符串
return $path;
}
echo relativePath('/a/b/c/d/a.php', '/a/b/1/2/b.php');
?>
页面输出
. ./. ./c/d/a.php
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