ReflectionProperty::hasDefaultValue
(PHP 8)
ReflectionProperty::hasDefaultValue — Checks if property has a default value declared
Descrição
public ReflectionProperty::hasDefaultValue
(
) : bool
Checks whether the property was declared with a default value, including an implicit
null default value. Only returns false for typed properties without default value (or
dynamic properties).
Parâmetros
Esta função não possui parâmetros.
Valor Retornado
If the property has any default value (including null) true is returned;
if the property is typed without a default value declared or is a dynamic property, false is returned.
Exemplos
Exemplo #1 ReflectionClass::hasDefaultValue() example
<?php
class Foo {
public $bar;
public ?int $baz;
public int $boing;
}
$ro = new ReflectionClass(Foo::class);
var_dump($ro->getProperty('bar')->hasDefaultValue());
var_dump($ro->getProperty('baz')->hasDefaultValue());
var_dump($ro->getProperty('boing')->hasDefaultValue());
?>
O exemplo acima irá imprimir:
bool(true) bool(false) bool(false)
Veja Também
- ReflectionProperty::getDefaultValue() - Returns the default value declared for a property
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