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

Listen

$numbers = array(3, 1, 4, 1, 5, 9, 2, 6, 5, 3);

// Sort in ascending order
sort($numbers);
print_r($numbers);

// Sort in descending order
rsort($numbers);
print_r($numbers);

How can I upload a file using PHP? Example code

How can I use the array_reverse function to reverse the order of an array 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 a regular expression to match a pattern in a string in PHP? Example code:

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

How can I use the array_rand function to get a random key from an array in PHP? Example code:

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

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

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

How can I check if a string ends with a certain substring in PHP? Example code:

How can I use the array_search function to search for a value in an array and return its key in PHP? Example code:

How can I use the fopen and fwrite functions to write a string to a file in PHP? Example code:

How can I create a session variable in PHP? Example code

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 is_writable function to check if a file is writable in PHP? Example code:

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

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

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

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

How can I sort an array in descending order 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 add days to a date in PHP? Example code:

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

Get User IP Address using PHP – Source Code + Demo

How can I validate a form using PHP? Example code

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

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

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