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run code in 300+ PHP versions simultaneously
<?php const X = __METHOD__; var_dump(X); class A { const X = __METHOD__; } var_dump(A::X); function doB() { class B { const X = __METHOD__; } } doB(); var_dump(B::X); function c() { return __METHOD__; } var_dump(c()); $d = function() { return __METHOD__; }; var_dump($d()); function e() { return function() { return __METHOD__; }; } var_dump(e()()); class F { static function foo() { return function() { return __METHOD__; }; } } var_dump(F::foo()());
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
string(0) "" string(0) "" string(0) "" string(1) "c" string(9) "{closure}" string(9) "{closure}" string(9) "{closure}"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(0) "" string(0) "" string(0) "" string(1) "c" string(9) "{closure}" string(9) "{closure}" string(9) "{closure}"
Output for 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
string(0) "" string(1) "A" string(3) "doB" string(1) "c" string(9) "{closure}" string(9) "{closure}" string(9) "{closure}"
Output for 5.6.38
Parse error: syntax error, unexpected '(' in /in/NvXDX on line 34
Process exited with code 255.
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154.09 ms | 401 KiB | 182 Q