<?php
class A {
private $foo = 123;
protected static function bar() {
echo static::class, ' value of foo is: ', self::$foo, PHP_EOL;
}
}
class B extends A {
public static function bar() {
$closure = (new ReflectionMethod('A', 'bar'))->getClosure(null)->bindTo(null, B::class);
$closure();
}
}
B::bar();
Warning: Cannot rebind scope of closure created from method in /in/bbv9M on line 12
Fatal error: Uncaught Error: Value of type null is not callable in /in/bbv9M:13
Stack trace:
#0 /in/bbv9M(17): B::bar()
#1 {main}
thrown in /in/bbv9M on line 13
Process exited with code 255.
Output for 7.4.14 - 7.4.33
Warning: Cannot rebind scope of closure created from method in /in/bbv9M on line 12
Fatal error: Uncaught Error: Function name must be a string in /in/bbv9M:13
Stack trace:
#0 /in/bbv9M(17): B::bar()
#1 {main}
thrown in /in/bbv9M on line 13
Process exited with code 255.
Warning: Cannot rebind scope of closure created by ReflectionFunctionAbstract::getClosure() in /in/bbv9M on line 12
Fatal error: Uncaught Error: Function name must be a string in /in/bbv9M:13
Stack trace:
#0 /in/bbv9M(17): B::bar()
#1 {main}
thrown in /in/bbv9M on line 13
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.21
B value of foo is:
Fatal error: Cannot access property B::$foo in /in/bbv9M on line 6
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/bbv9M on line 6
Process exited with code 255.