<?php
class A {}
class B extends A {
static function foo() {
echo static::class, ' in ', self::class, PHP_EOL;
}
}
$obj = new B;
$obj->foo();
$closure = (new ReflectionMethod('B', 'foo'))->getClosure(null)->bindTo(null, A::class);
$closure();
B in B
Warning: Cannot rebind scope of closure created from method in /in/qiiEn on line 13
Fatal error: Uncaught Error: Value of type null is not callable in /in/qiiEn:14
Stack trace:
#0 {main}
thrown in /in/qiiEn on line 14
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
B in B
Warning: Cannot rebind scope of closure created from method in /in/qiiEn on line 13
Fatal error: Uncaught Error: Value of type null is not callable in /in/qiiEn:14
Stack trace:
#0 {main}
thrown in /in/qiiEn on line 14
Process exited with code 255.
Output for 7.4.14 - 7.4.33
B in B
Warning: Cannot rebind scope of closure created from method in /in/qiiEn on line 13
Fatal error: Uncaught Error: Function name must be a string in /in/qiiEn:14
Stack trace:
#0 {main}
thrown in /in/qiiEn on line 14
Process exited with code 255.
B in B
Warning: Cannot rebind scope of closure created by ReflectionFunctionAbstract::getClosure() in /in/qiiEn on line 13
Fatal error: Uncaught Error: Function name must be a string in /in/qiiEn:14
Stack trace:
#0 {main}
thrown in /in/qiiEn on line 14
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
B in B
A in B
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/qiiEn on line 7
Process exited with code 255.