How can I delete a file in PHP? Example code: - Biz Tech

How can I delete a file in PHP? Example code:

$filename = "example.txt";

if (file_exists($filename)) {
    unlink($filename);
    echo "File deleted";
} else {
    echo "File does not exist";
}

How can I use the array_slice function to get a portion of an array in PHP? Example code:

How can I create a class in PHP? Example code:

How can I calculate the sum of an array in PHP? Example code:

How to code in PHP

How can I connect to a MySQL database using PHP? Example code.

How to send SMS using PHP program (full code sample included)

How can I validate a form using PHP? Example code

How can I use the array_chunk function to split an array into chunks in PHP? Example code:

How can I generate a random number in PHP? Example code

How can I use the scandir function to get a list of files and directories in a directory in PHP? Example code:

How can I use the is_writable function to check if a file is writable in PHP? Example code:

How can I use the json_decode function to convert a JSON string to an array or object in PHP? Example code:

How can I sort an array in descending order in PHP? Example code:

How can I use the array_pop function to remove the last element from an array in PHP? Example code:

How can I use the array_shift function to remove the first element from an array in PHP? Example code:

How can I generate a random string in PHP? Example code:

How can I use the filemtime function to get the last modified time of a file in PHP? Example code:

How can I use a switch statement in PHP? Example code:

How can I prevent SQL injection in PHP?

How can I use the array_map function to apply a function to each element of an array in PHP? Example code:

How can I calculate the difference between two dates in PHP? Example code:

How can I use the array_splice function to remove and replace elements in an array in PHP? Example code:

How can I subtract days from a date in PHP? Example code:

How can I use the htmlentities function to convert special characters to HTML entities in PHP? Example code:

How can I check if a variable is set in PHP? Example code:

How to create drop down menu in PHP with example

How can I sort an associative array by its values in PHP? Example code:

How can I use the htmlspecialchars function to convert special characters to HTML entities in PHP? Example code:

How can I use the array_walk function to apply a function to each element of an array in PHP? Example code:

How can I use the array_unshift function to add an element to the beginning of an array in PHP? Example code: