How can I add days to a date in PHP? Example code:

$date = "2022-03-05";

// Add 7 days to the date
echo date("Y-m-d", strtotime($date . "+7 days"));

How can I use the curl_setopt_array function to set multiple options for a cURL session in PHP? Example code:

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

How can I use the in_array function to check if an element exists in an array in PHP? Example code:

How can I use an elseif statement in PHP? Example code:

How can I shuffle an array in PHP? Example code:

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

Get User IP Address using PHP – Source Code + Demo

How can I use the array_diff function to get the elements in one array that are not in another array in PHP? Example code:

How can I prevent SQL injection in PHP?

How can I validate a form using PHP? Example code

How can I use a while loop in PHP? Example code:

How can I use a regular expression to match a pattern in a string in PHP? Example code:

How can I send an email using 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 use a do-while loop in PHP? Example code:

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

How can I use the fopen and fgets functions to read a file line by line in PHP? Example code:

How can I use a for loop in PHP? Example code:

What is PHP code?

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

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

How can I use the array_keys function to get an array of keys from an associative array in PHP? Example code:

How can I use the file_get_contents function to read the contents of a file into a string in PHP? Example code:

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

How can I format a number with commas in PHP? Example code:

How can I replace a substring in a string in PHP? Example code:

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

How to code in PHP

How can I retrieve data from a MySQL database using PHP? Example code

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