<?php
class A {
static function foo() {
echo "A\n";
}
}
class B extends A {
static function foo() {
echo "B\n";
}
}
$cb = array('B', 'parent::foo', 'a');
call_user_func($cb);
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, array callback must have exactly two members in /in/IjvC3:17
Stack trace:
#0 {main}
thrown in /in/IjvC3 on line 17
Process exited with code 255.
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, array must have exactly two members in /in/IjvC3:17
Stack trace:
#0 {main}
thrown in /in/IjvC3 on line 17
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($function) must be a valid callback, array must have exactly two members in /in/IjvC3:17
Stack trace:
#0 {main}
thrown in /in/IjvC3 on line 17
Process exited with code 255.
Warning: call_user_func(Array): First argument is expected to be a valid callback in /in/IjvC3 on line 17
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/IjvC3 on line 5
Process exited with code 255.
Parse error: parse error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/IjvC3 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/IjvC3 on line 5
Process exited with code 255.