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

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

$age = 30;

if ($age < 18) {
    echo "You are a minor";
} elseif ($age >= 18 && $age < 65) {
    echo "You are an adult";
} else {
    echo "You are a senior citizen";
}

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 use the array_unique function to remove duplicate elements from an array 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 the curl_exec function to execute a cURL session and get the response 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 array_walk function to apply a function to each element of an array in PHP? Example code:

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

How to code in PHP

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

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

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

How can I use the array_merge function to merge two or more arrays in PHP? Example code:

How can I use the file_put_contents function to write a string to a file in PHP? Example code:

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

How can I use the fgetcsv function to read a CSV file into an array in PHP? Example code:

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

How can I use a ternary operator in PHP? Example code:

How can I use the mkdir function to create a directory in PHP? Example code:

How can I use the strrev function to reverse a string in PHP? Example code:

How can I use the is_readable function to check if a file is readable 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:

Get User IP Address using PHP – Source Code + Demo

How can I convert a string to lowercase 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 with multiple cases in PHP? Example code:

How can I use the rename function to rename a file or directory in PHP? Example code: