ReflectionClass::hasConstant

(PHP 5 >= 5.1.0)

ReflectionClass::hasConstant — Checks if constant is defined

설명

public bool ReflectionClass::hasConstant ( string $name )

Checks whether the class has a specific constant defined or not.

인수

name: The name of the constant being checked for.

반환값

TRUE if the constant is defined, otherwise FALSE.

예제

Example #1 ReflectionClass::hasConstant() example


<?php
class Foo {
    const c1 = 1;
}

$class = new ReflectionClass("Foo");

var_dump($class->hasConstant("c1"));
var_dump($class->hasConstant("c2"));
?>

위 예제의 출력 예시:

bool(true)
bool(false)

참고

ReflectionClass::hasMethod() - Checks if method is defined
ReflectionClass::hasProperty() - Checks if property is defined