How to create a folder in php if it does not exist

php method to create a folder if it does not exist: first use the is_dir() function to determine whether the specified folder exists, and return true if the folder exists; then use the mkdir() function to create the directory, if created Returns true on success.

is_dir() function checks whether the specified file is a directory. If the directory exists, this function returns TRUE.

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Syntax:

is_dir(file)

mkdir() function creates a directory. The function returns TRUE if successful and FALSE if failed.

Grammar:

mkdir(path,mode,recursive,context)

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Implementation code:

$lujing = "./nihao/wohao";
if(!is_dir($liujing)){
    mkdir(iconv("UTF-8", "GBK", $lujing),0777,true);
}

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