<?php
class Bar {
private static $instance;
public static function getInstance() {
if (null === static::$instance) {
static::$instance = new static();
}
return static::$instance;
}
protected function __construct() {
}
}
class Foo extends Bar {
protected function __construct() {
}
}
Foo::getInstance();
Fatal error: Uncaught Error: Cannot access property Foo::$instance in /in/oM3B6:5
Stack trace:
#0 /in/oM3B6(22): Bar::getInstance()
#1 {main}
thrown in /in/oM3B6 on line 5
Process exited with code 255.
Fatal error: Cannot access property Foo::$instance in /in/oM3B6 on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC in /in/oM3B6 on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC in /in/oM3B6 on line 5
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/oM3B6 on line 3
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/oM3B6 on line 3
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/oM3B6 on line 3
Process exited with code 255.