How can I use the array_filter function to filter an array based on a condition in PHP? Example code:

Listen

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

$even_numbers = array_filter($numbers, function($n) { return $n % 2 == 0; });

print_r($even_numbers);

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

How can I trim whitespace from the beginning and end of a string in PHP? Example code:

How can I replace a substring in a string in PHP? Example code:

How can I convert a string to uppercase in PHP? Example code:

How to create drop down menu in PHP with example

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

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

How can I upload a file using 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 regular expression to match a pattern in a string in PHP? Example code:

How can I use an if-else statement in PHP? Example code:

How can I get the current date and time 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 array_push function to add an element to 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 fgetcsv function to read a CSV file into an array 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_decode function to convert a JSON string to an array or object 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 use a while loop 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 rename function to rename a file or directory in PHP? Example code:

PHP Use Cases with Example Source 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 curl_setopt function to set options for a cURL session 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 check if a string ends with a certain substring in PHP? Example code:

What is PHP code?

How can I send an email using PHP? Example code

How can I use the glob function to get a list of files that match a pattern in PHP? Example code: