Php/docs/reflectionclass.hasconstant
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ReflectionClass::hasConstant
(PHP 5 >= 5.1.2, PHP 7)
ReflectionClass::hasConstant — Checks if constant is defined
Description
public ReflectionClass::hasConstant
( string $name
) : bool
Checks whether the class has a specific constant defined or not.
Parameters
name- The name of the constant being checked for.
Return Values
TRUE if the constant is defined, otherwise FALSE.
Examples
Example #1 ReflectionClass::hasConstant() example
<?phpclass Foo { const c1 = 1;}$class = new ReflectionClass("Foo");var_dump($class->hasConstant("c1"));var_dump($class->hasConstant("c2"));?>
The above example will output something similar to:
bool(true) bool(false)
See Also
- ReflectionClass::hasMethod() - Checks if method is defined
- ReflectionClass::hasProperty() - Checks if property is defined
