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

Listen

$fruits = array("apple", "banana", "orange");

array_unshift($fruits, "grape");

print_r($fruits);

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

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

How can I read data from a JSON file using PHP? Example code:

How can I use the filesize function to get the size of 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 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 calculate the sum of an array in PHP? Example code:

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

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

How can I loop through an array 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 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 use the json_decode function to convert a JSON string to an array or object in PHP? Example 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 check if a string ends with a certain substring 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 is_readable function to check if a file is readable in PHP? Example code:

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

How can I use the glob function to get a list of files that match a pattern 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 array_rand function to get a random key from an array in PHP? Example code:

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

What is PHP code?