How PHP gets all method names of objects

php How to get all method names of objects

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stay php in , have access to get_class_methods() Function to get all the method names of the object , This function can get the specified class （ object ） All method names of , And form an array of method names to return , grammar “get_class_methods($obj)”.

The operating environment of this tutorial ：windows7 System 、PHP7.1 edition 、DELL G3 The computer

stay php in , have access to get_class_methods() Function to get all the method names of the object .

get_class_methods() Function to get the specified class （ object ） All method names of , And form an array . If something goes wrong , Then return to null.

<?php
class Website {
	public $name, $url, $title;
	
	// method 1
	public function demo1() {
		return (true);
	}

	// method 2
	function demo2() {
		return (true);
	}

	// method 3
	function demo3() {
		return (true);
	}

}

// Instantiate objects 
$student = new Website();

$methods = get_class_methods($student);
var_dump($methods);

Expanding knowledge ： How to get the current class name and method name ？

Want to get the current class name and method name , You can use magic constants “__CLASS__”、“__FUNCTION__” and “__METHOD__”

• __CLASS__： Current class name （ Include the scope or namespace of the class ）;

  since PHP 5 This constant returns the name of the class when it is defined （ Case sensitive ）. stay PHP 4 The value in is always lower case .

• __FUNCTION__： The current function （ Or method ） The name of ;
  

• __METHOD__： Current method name （ Including the name of the class ）;

  Returns the name of the method when it was defined （ Case sensitive ）.

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