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<?php class InCommon { private $baz = 'foo'; public function out($pref){ echo "\n".$pref.'::$baz = '.$this->baz; } } class Foo extends InCommon { public function peek($target, $pref){ echo "\n".'peek @'.$pref.'::$baz = '.$target->baz; } } class Bar extends InCommon { public function peek($target, $pref){ echo "\n".'peek @'.$pref.'::$baz = '.$target->baz; } public function mess($target){ $target->baz = 'cats'; } } $foo = new Foo(); $bar = new Bar(); $bar->mess($foo); // bar messes with Foo's $baz, which should be private $foo->out('Foo'); // Foo's internal $baz remains unchanged $bar->peek($foo, 'Foo'); // however, bar continues to see its modification to Foo::$baz $foo->peek($bar, 'Bar'); // Foo tries the same thing, but it sees nothing of Bar::$baz -- which it shouldn't
Output for 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Deprecated: Creation of dynamic property Foo::$baz is deprecated in /in/B2025 on line 17 Foo::$baz = foo peek @Foo::$baz = cats Warning: Undefined property: Bar::$baz in /in/B2025 on line 10 peek @Bar::$baz =
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34
Foo::$baz = foo peek @Foo::$baz = cats Warning: Undefined property: Bar::$baz in /in/B2025 on line 10 peek @Bar::$baz =
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Foo::$baz = foo peek @Foo::$baz = cats Notice: Undefined property: Bar::$baz in /in/B2025 on line 10 peek @Bar::$baz =
Output for 7.3.32 - 7.3.33
Foo::$baz = foo peek @Foo::$baz = cats peek @Bar::$baz =
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.5
Foo::$baz = foo peek @Foo::$baz = cats Notice: Undefined property: Bar::$baz in /in/B2025 on line 10 peek @Bar::$baz =
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/B2025 on line 27
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/B2025 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/B2025 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/B2025 on line 3
Process exited with code 255.
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