Using the get_class_methods Function
The get_class_methods() function returns an array containing the names of the methods belonging to a specified class. The resulting array has a numeric index.
demo.php
<?php
include_once("class1.php");
$objInstance = new class1();
$methods = get_class_methods($objInstance);
foreach($methods as $method){
echo "$method <br>";
}
?>
class1.php
<?php
class class1 {
public function method_1(){
}
public function method_2(){
}
}
?>