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

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

$age = 30;

if ($age >= 18) {
    echo "You are an adult";
} else {
    echo "You are not an adult";
}

How can I send an email using PHP? Example code

How can I use an elseif statement 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 read data from a JSON file using 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 shuffle an array 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 get the current date and time in PHP? Example code:

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

How can I use the json_encode function to convert an array or object to a JSON string in PHP? Example code:

How can I subtract days from a date 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 use the fopen and fgets functions to read a file line by line 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 a while loop in PHP? Example code:

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

How can I sort an associative array by its keys 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 array_rand function to get a random key from an array in PHP? Example code:

How can I use the implode function to join an array into a string in PHP? Example code:

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

How can I sort an associative array by its values in PHP? Example code:

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

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

How can I validate a form using PHP? Example code

How can I use the array_filter function to filter an array based on a condition 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 to send SMS using PHP program (full code sample included)