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

$filename = "data.csv";
$file = fopen($filename, "r");

// Loop through each row in the file
while (($data = fgetcsv($file)) !== false) {
    echo "Name: " . $data[0] . " - Email: " . $data[1] . "<br>";
}

fclose($file);

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 curl_setopt_array function to set multiple options for a cURL session in PHP? Example code:

How can I calculate the difference between two dates 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 create a session variable in PHP? Example code

How can I use the str_replace function to replace multiple substrings in a string in PHP? Example code:

How can I use the filesize function to get the size of a file in PHP? Example code:

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

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

How can I use the curl_init function to initialize a cURL session in PHP? Example code:

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

What is PHP code?

How can I use the explode function to split a string into an array with a limit in PHP? Example code:

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

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

How can I use the mkdir function to create a directory 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_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 to send SMS using PHP program (full code sample included)

How can I use the array_unique function to remove duplicate elements from an array in PHP? Example code:

How can I use the array_intersect function to get the common elements between two or more arrays in PHP? Example code:

How can I use the explode function to split a string into an array in PHP? Example code:

How can I use the implode function to join an array into a string with a separator in PHP? Example code:

How can I use the array_reduce function to apply a function to each element of an array and reduce it to a single value in PHP? Example code:

How can I prevent SQL injection in PHP?