PHP Unconference Europe 2015

ReflectionClass::hasConstant

(PHP 5 >= 5.1.0)

ReflectionClass::hasConstantChecks if constant is defined

Descrição

public bool ReflectionClass::hasConstant ( string $name )

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

Parâmetros

name

The name of the constant being checked for.

Valor Retornado

TRUE if the constant is defined, otherwise FALSE.

Exemplos

Exemplo #1 ReflectionClass::hasConstant() example

<?php
class Foo {
    const 
c1 1;
}

$class = new ReflectionClass("Foo");

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

O exemplo acima irá imprimir algo similar à:

bool(true)
bool(false)

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