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<?php spl_autoload_register(function ($class) { class Foo{ echo 'Foo'; }; class Bar{}; class_alias('Foo', 'Bar'); var_dump(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2)); }, true, true); $bar = new Foo(); $bar2 = new Foo();
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.30, 5.6.8 - 5.6.14
Parse error: syntax error, unexpected 'echo' (T_ECHO), expecting function (T_FUNCTION) in /in/C6Fno on line 5
Process exited with code 255.
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