ReflectionClass::hasConstant

(PHP 5 >= 5.1.2, PHP 7)

ReflectionClass::hasConstant — Checks if constant is defined

Descrierea

public ReflectionClass::hasConstant ( string $name ) : bool

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

Parametri

name

The name of the constant being checked for.

Valorile întoarse

TRUE if the constant is defined, otherwise FALSE.

Exemple

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"));
?>

Exemplul de mai sus va afișa ceva similar cu:

bool(true)
bool(false)

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