3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! function foo(){ bar(); } function bar() { foobar(); } function foobar() { foobared(); } function foobared() { if (PHP_VERSION >= '5.4') var_dump(debug_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT, 2)); else var_dump(debug_backtrace()); } foo();

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37 ms | 402 KiB | 5 Q