PHP Manual
Uopz Functions
Get or set flags on function or class

uopz_flags

(PECL uopz 2 >= 2.0.2, PECL uopz 5, PECL uopz 6)

uopz_flags — Get or set flags on function or class

Description

uopz_flags ( string $function [, int $flags = PHP_INT_MAX ] ) : int

uopz_flags ( string $class , string $function [, int $flags = PHP_INT_MAX ] ) : int

Get or set the flags on a class or function entry at runtime

Parameters

class: The name of a class
function: The name of the function. If class is given and an empty string is passed as function, uopz_flags() gets or sets the flags of the class entry.
flags: A valid set of ZEND_ACC_ flags. If omitted, uopz_flags() acts as getter.

Return Values

If setting, returns old flags, else returns flags

Errors/Exceptions

As of PHP 7.4.0, if the parameter flags is passed, uopz_flags() throws a RuntimeException, if OPcache is enabled, and the class entry of class or the function entry of function is immutable.

Changelog

Version	Description
PECL uopz 5.0.0	The `flags` parameter is now optional. Formerly, `ZEND_ACC_FETCH` had to be passed to use uopz_flags() as getter.

Examples

Example #1 uopz_flags() example

<?phpclass Test { public function method() { return __CLASS__; }}$flags = uopz_flags("Test", "method");var_dump((bool) (uopz_flags("Test", "method") & ZEND_ACC_PRIVATE));var_dump((bool) (uopz_flags("Test", "method") & ZEND_ACC_STATIC));var_dump(uopz_flags("Test", "method", $flags|ZEND_ACC_STATIC|ZEND_ACC_PRIVATE));var_dump((bool) (uopz_flags("Test", "method") & ZEND_ACC_PRIVATE));var_dump((bool) (uopz_flags("Test", "method") & ZEND_ACC_STATIC));?>

The above example will output:

bool(false)
bool(false)
int(1234567890)
bool(true)
bool(true)

Example #2 "Unfinalize" a Class

<?phpfinal class MyClass{}$flags = uopz_flags(MyClass::class, );uopz_flags(MyClass::class, , $flags & ~ZEND_ACC_FINAL);var_dump((new ReflectionClass(MyClass::class)->isFinal());?>