3v4l.org

run code in 300+ PHP versions simultaneously
<?php class test { protected $foo = 1; } function error_handler() { $test = new test(); return true; } set_error_handler("error_handler"); // test one class a {} $a = new a; $a->undefined .= 'test'; echo isset($a->undefined) ? 'true' : 'false'; echo "\n"; // test two $b .= 'test'; echo isset($b) ? 'true' : 'false'; echo "\n";

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