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<?php class Teste { function insertUser() { // gets the number of parameters $numArgs = func_num_args(); // make decisions based on the arguments number if ($numArgs == 1) { // if it's only one argument, we suppose that it is an array with user info // gets the first argument $user = func_get_arg(0); // checks if it really is an array if (is_array($user)) { // here you should check if the array contains all necessary fields // adds the user echo "User added.\n"; echo "ID: " . $user["id"] . "\n"; echo "NAME: " . $user["name"] . "\n"; echo "EMAIL: " . $user["email"] . "\n"; } else { // generates an error if argument is not an array echo "Argument is not an array: " . $user . ".\n"; } } else if ($numArgs == 3) { // if the function receives 3 arguments, we assume that they // are 'id', 'name' and 'email' respectively // inserts the user into the system echo "User added.\n"; echo "ID: " . func_get_arg(0) . "\n"; echo "NAME: " . func_get_arg(1) . "\n"; echo "EMAIL: " . func_get_arg(2) . "\n"; } else { // if the number of arguments is different from 1 and 3 // an error will be generated echo "Wrong argument number.\n "; echo "Arguments received: " . func_num_args(); } } } // creates an Test object $objTest = new Teste(); // inserts an user passing an array with all his info $objTest->insertUser(array("id" => 1, "name" => "George W. Bush", "email" => "jackass@whitehouse.gov")); echo "\n"; // inserts an user providing each attribute as a single argument $objTest->insertUser(2, "Vicente Fox", "iloveusa@disney.com"); echo "\n"; // this will generate an error, because only 2 arguments were passed $objTest->insertUser(3, "Tony Blair"); ?>
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