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

Listen

$string = "  Hello World   ";

echo trim($string);

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

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

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

How can I use the array_pop function to remove the last element from an array in PHP? Example code:

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

How can I use the htmlspecialchars function to convert special characters to HTML entities 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:

What is PHP code?

How can I convert a string to uppercase 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_keys function to get an array of keys from an associative array in PHP? Example code:

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

How can I sort an array in descending order 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 check if a string contains a certain substring 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 upload a file using PHP? Example code

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

How can I use the copy function to copy a file 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 array_merge function to merge two or more arrays in PHP? Example code:

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

PHP Use Cases with Example Source Code

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

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

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