ReflectionClass::hasConstant
(PHP 5 >= 5.1.2, PHP 7)
ReflectionClass::hasConstant — Checks if constant is defined
Opis
public ReflectionClass::hasConstant
( string
$name
) : boolChecks whether the class has a specific constant defined or not.
Parametry
-
name -
The name of the constant being checked for.
Zwracane wartości
TRUE if the constant is defined, otherwise FALSE.
Przykłady
Przykład #1 ReflectionClass::hasConstant() example
<?php
class Foo {
const c1 = 1;
}
$class = new ReflectionClass("Foo");
var_dump($class->hasConstant("c1"));
var_dump($class->hasConstant("c2"));
?>
Powyższy przykład wyświetli coś podobnego do:
bool(true) bool(false)
Zobacz też:
- ReflectionClass::hasMethod() - Checks if method is defined
- ReflectionClass::hasProperty() - Checks if property is defined
add a note
User Contributed Notes
There are no user contributed notes for this page.
