Usage of chdir() function in php

chdir() FunctionChange the current directory.

Syntax

chdir(directory);

Parameter directory Required. Specifies the new current directory.

chdir() function example code is as follows:

<?php 
if (chdir("upload")) {  
   print "Changed current directory successfully";  
}//Output:Changed current directory successfully
?>

chdir() function changes the current directory instance code, the code is as follows

<?php
// 获取当前目录
echo getcwd() . "<br>";

// 改变目录
chdir("images");

// 获得当前目录
echo getcwd();
?>

Result:

/home/php
/home/php/images

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