<?php
class A {}
class B extends A {
function foo() {
echo static::class, ' in ', self::class, PHP_EOL;
}
}
$obj = new B;
$obj->foo();
$closure = (new ReflectionMethod('B', 'foo'))->getClosure()->bindTo($obj, A::class);
$closure();
B in B
Fatal error: Uncaught ValueError: ReflectionMethod::getClosure(): Argument #1 ($object) cannot be null for non-static methods in /in/rFO8g:13
Stack trace:
#0 /in/rFO8g(13): ReflectionMethod->getClosure()
#1 {main}
thrown in /in/rFO8g on line 13
Process exited with code 255.
B in B
Warning: ReflectionMethod::getClosure() expects exactly 1 parameter, 0 given in /in/rFO8g on line 13
Fatal error: Uncaught Error: Call to a member function bindTo() on null in /in/rFO8g:13
Stack trace:
#0 {main}
thrown in /in/rFO8g on line 13
Process exited with code 255.
Output for 5.6.8 - 5.6.28
B in B
Warning: ReflectionMethod::getClosure() expects exactly 1 parameter, 0 given in /in/rFO8g on line 13
Fatal error: Call to a member function bindTo() on null in /in/rFO8g on line 13
Process exited with code 255.
Output for 5.5.24 - 5.5.35
B in B
Warning: ReflectionMethod::getClosure() expects exactly 1 parameter, 0 given in /in/rFO8g on line 13
Fatal error: Call to a member function bindTo() on a non-object in /in/rFO8g on line 13
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/rFO8g on line 7
Process exited with code 255.