<?php
class A
{
protected $b;
public function a()
{
return $this->b->b();
}
}
$impl = new A();
//$impl->a();
call_user_func_array('strlen', ['asd']);
call_user_func(null);
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, no array or string given in /in/4U6UX:16
Stack trace:
#0 {main}
thrown in /in/4U6UX on line 16
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($function) must be a valid callback, no array or string given in /in/4U6UX:16
Stack trace:
#0 {main}
thrown in /in/4U6UX on line 16
Process exited with code 255.
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in /in/4U6UX on line 3
Fatal error: Uncaught Error: Call to a member function b() on null in /in/4U6UX:8
Stack trace:
#0 /in/4U6UX(12): A->a()
#1 {main}
thrown in /in/4U6UX on line 8
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Call to a member function b() on null in /in/4U6UX:8
Stack trace:
#0 /in/4U6UX(12): A->a()
#1 {main}
thrown in /in/4U6UX on line 8
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Fatal error: Call to a member function b() on null in /in/4U6UX on line 8
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Fatal error: Call to a member function b() on a non-object in /in/4U6UX on line 8
Process exited with code 255.
Parse error: syntax error, unexpected '[' in /in/4U6UX on line 15
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/4U6UX on line 15
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4U6UX on line 5
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4U6UX 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/4U6UX on line 5
Process exited with code 255.