PHP directry functions

Functions Description
scandirList of All files and directories present inside a directory
getcwdGet Current working directory details
chdirChange the current directry to new directory

opendir():
Open the directory handle, returns False on failure.
readdir():
Read entry from directory handle.
closedir():
Close directory handle
Listing files and directories inside a directory

dirname to gate name of the directoy and path

We can get directy name from the string we provide as input.
$var='https://www.plus2net.com/sql_tutorial/math.php';
echo dirname($var);
Output is here
https://www.plus2net.com/sql_tutorial

is_dir() to check if directory name is true or not

is_dir() function returns True or False to know if file name is directory or not. We will check by if condition.
$var='test_dir';
if(is_dir($var)){
echo "This is a directory : $var ";
}else{
echo "This is NOT a directory : $var ";
} 
PHP File handling
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