PHP Manual: ReflectionClass::getConstant

Description

public function ReflectionClass::getConstant(string $name): mixed

Gets the defined constant.

Parameters

name: The name of the class constant to get.

Return Values

Value of the constant with the name name. Returns false if the constant was not found in the class.

Changelog

Version	Description
8.5.0	Calling ReflectionClass::getConstant() for constants that do not exist has been deprecated.

Examples

Example #1 Usage of ReflectionClass::getConstant()

<?php

class Example {
    const C1 = false;
    const C2 = 'I am a constant';
}

$reflection = new ReflectionClass('Example');

var_dump($reflection->getConstant('C1'));
var_dump($reflection->getConstant('C2'));
var_dump($reflection->getConstant('C3'));
?>

The above example will output:

bool(false)
string(15) "I am a constant"
bool(false)

ReflectionClass::getConstant

Description

Parameters

Return Values

Changelog

Examples

See Also