How can I loop through an array in PHP? Example code

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

foreach ($fruits as $fruit) {
    echo $fruit . "<br>";
}

How can I use the is_writable function to check if a file is writable 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 mkdir function to create a directory in PHP? Example code:

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

How can I convert a string to uppercase 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 curl_setopt function to set options for a cURL session in PHP? Example code:

How can I use the array_splice function to remove and replace elements in an array in PHP? Example code:

How can I use the copy function to copy a file 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 curl_exec function to execute a cURL session and get the response in PHP? Example code:

How can I validate a form using PHP? Example code

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

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

PHP Use Cases with Example Source Code

How can I create a class 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 array_merge function to merge two or more arrays 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 regular expression to replace a pattern in 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 use the strrev function to reverse a 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 array_unshift function to add an element to the beginning of an array 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 array_walk function to apply a function to each element of an array in PHP? Example code:

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

How can I use a try-catch block in PHP? Example code: