What are the magic methods in php7

php7 magic methods include: 1. "__contract" method; 2. "__destruct" method; 3. "__set" method; 4. "__get" method; 5. "__call" method; 6. "__callStatic" "method; 7. "__toString" method and so on.

#The operating environment of this article: Windows 7 system, PHP version 7.4, Dell G3 computer.

What are the magic methods in php7?

A magic method is a special method that overrides PHP's default actions when performing certain operations on an object.

PHP reserves all method names starting with __. Therefore, the use of such method names is not recommended unless overriding PHP's behavior.

php7 magic methods are:

__contract: Triggered when a class is instantiated

__destruct: Triggered when an instance object is destroyed

__set(string $name, mixed $value): Triggered when setting an inaccessible member attribute

__get(string $name): Triggered when getting an inaccessible member attribute

__call($name,$arguments): Triggered when accessing an inaccessible member method

__callStatic($name,$arguments): Triggered when accessing an inaccessible member static method

__toString: Triggered when an object instance is treated as a string

__clone: ​​Triggered when creating a new object

__invoke: Triggered when the object is called as a function

__sleep: Triggered when data processing of an object does not require saving of all data, such as: serialize() serialization

__wakeup: When unserialize(), it will first check whether there is __wakeup Method

__unset(string $name): Triggered when an inaccessible object property is unset

__isset(string $name): Triggered when an inaccessible object property is isset, empty Trigger

__debugInfo: Triggered when an object is var_dump

__set_state: Triggered when an object is var_export

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