These functions allow you to obtain information about classes and instance objects. You can obtain the name of the class to which an object belongs, as well as its member properties and methods.
Installation:
There is no installation needed to use these functions; they are part of the PHP core.
Runtime Configuration:
This extension has no configuration directives defined in php.ini.
List of Functions:
PHP: indicates the earliest version of PHP that supports the function.
| Function | Description | PHP |
|---|---|---|
| call_user_method_array() | Call a user method given with an array of parameters [deprecated] | 4 |
| call_user_method() | Call a user method on an specific object [deprecated] | 4 |
| class_exists() | Checks if the class has been defined | 4 |
| get_class_methods() | Gets the class methods' names | 4 |
| get_class_vars() | Get the default properties of the class | 4 |
| get_class() | Returns the name of the class of an object | 4 |
| get_declared_classes() | Returns an array with the name of the defined classes | 4 |
| get_declared_interfaces() | Returns an array of all declared interfaces | 5 |
| get_object_vars() | Gets the properties of the given object | 4 |
| get_parent_class() | Retrieves the parent class name for object or class | 4 |
| interface_exists() | Checks if the interface has been defined | 5 |
| is_a() | Checks if the object is of this class or has this class as one of its parents | 4 |
| is_subclass_of () | Checks if the object has this class as one of its parents | 4 |
| method_exists() | Checks if the class method exists | 4 |
| property_exists() | Checks if the object or class has a property | 5 |
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