ReflectionConstant::isDeprecated

Checks if deprecated

public bool ReflectionConstant::isDeprecated()

Checks whether the constant is deprecated.

This function has no parameters.

true if it's deprecated, otherwise false

Example #1 ReflectionConstant::isDeprecated example

<?php
// E_STRICT is deprecated as of PHP 8.4
var_dump((new ReflectionConstant('E_STRICT'))->isDeprecated());
?>

Output of the above example in PHP 8.4:

bool(true)