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PHP mkdir() Function Usage and Example

The mkdir() function can create a directory, and this function returns true when successful and false when failed.

Syntax

bool mkdir ( string $pathname[, int $mode = 0777　[, bool $recursive = FALSE[, resource $context]]])

This function attempts to create the directory specified by pathname.

Example1

Using mkdir to create a directory

Example

<?php
　　　mkdir("/PhpProject/testing");
　　　echo "Directory creation successful!!!";
?>

Output result

Directory creation successful!!!

Example2

Create the root directory and subdirectories at the same time, multiple directories

Example

<?php
　　　$structure = "/PhpProject/test1/test2/test3";
　　　if(!mkdir($structure, 0777, true)) {
　　　　　　echo "Unable to create folder...";
　　　} else {	
　　　　　　　echo "All directories created successfully!!!";
　　　}
?>

Output result

All directories created successfully!!!

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