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run code in 300+ PHP versions simultaneously
<?php function foo(&$x) {} $i = 0; foo(++$i); $php = <<<'EOT' <?php namespace AAA\BBB; use XXX\YYY; // Comment # Comment /* Comment */ /** * @doc */ abstract class C extends ZZZ implements III, JJJ { function & foo() {} } EOT; for ($i = 258; $i < 409; ++$i) { $name = token_name($i); # print "$i: $name\n"; } $tokens = token_get_all($php); $readable = ''; foreach ($tokens as $token) { if (is_array($token)) { list($id, $str, $line) = $token; $name = token_name($id); $readable .= "<$id:$name>$str"; } else { $readable .= "<*>$token"; } } print $readable;
Output for 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: foo(): Argument #1 ($x) could not be passed by reference in /in/Zh52l:5 Stack trace: #0 {main} thrown in /in/Zh52l on line 5
Process exited with code 255.
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 Fatal error: Uncaught Error: foo(): Argument #1 ($x) could not be passed by reference in /in/Zh52l:5 Stack trace: #0 {main} thrown in /in/Zh52l on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught Error: foo(): Argument #1 ($x) cannot be passed by reference in /in/Zh52l:5 Stack trace: #0 {main} thrown in /in/Zh52l on line 5
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Only variables should be passed by reference in /in/Zh52l on line 5 <382:T_OPEN_TAG><?php <385:T_WHITESPACE> <391:T_NAMESPACE>namespace<385:T_WHITESPACE> <311:T_STRING>AAA<393:T_NS_SEPARATOR>\<311:T_STRING>BBB<*>;<385:T_WHITESPACE> <350:T_USE>use<385:T_WHITESPACE> <311:T_STRING>XXX<393:T_NS_SEPARATOR>\<311:T_STRING>YYY<*>;<385:T_WHITESPACE> <380:T_COMMENT>// Comment <385:T_WHITESPACE> <380:T_COMMENT># Comment <385:T_WHITESPACE> <380:T_COMMENT>/* Comment */<385:T_WHITESPACE> <381:T_DOC_COMMENT>/** * @doc */<385:T_WHITESPACE> <354:T_ABSTRACT>abstract<385:T_WHITESPACE> <364:T_CLASS>class<385:T_WHITESPACE> <311:T_STRING>C<385:T_WHITESPACE> <367:T_EXTENDS>extends<385:T_WHITESPACE> <311:T_STRING>ZZZ<385:T_WHITESPACE> <368:T_IMPLEMENTS>implements<385:T_WHITESPACE> <311:T_STRING>III<*>,<385:T_WHITESPACE> <311:T_STRING>JJJ<385:T_WHITESPACE> <*>{<385:T_WHITESPACE> <342:T_FUNCTION>function<385:T_WHITESPACE> <*>&<385:T_WHITESPACE> <311:T_STRING>foo<*>(<*>)<385:T_WHITESPACE> <*>{<*>}<385:T_WHITESPACE> <*>}<385:T_WHITESPACE>
Output for 7.3.32 - 7.3.33
<379:T_OPEN_TAG><?php <382:T_WHITESPACE> <388:T_NAMESPACE>namespace<382:T_WHITESPACE> <319:T_STRING>AAA<390:T_NS_SEPARATOR>\<319:T_STRING>BBB<*>;<382:T_WHITESPACE> <353:T_USE>use<382:T_WHITESPACE> <319:T_STRING>XXX<390:T_NS_SEPARATOR>\<319:T_STRING>YYY<*>;<382:T_WHITESPACE> <377:T_COMMENT>// Comment <382:T_WHITESPACE> <377:T_COMMENT># Comment <382:T_WHITESPACE> <377:T_COMMENT>/* Comment */<382:T_WHITESPACE> <378:T_DOC_COMMENT>/** * @doc */<382:T_WHITESPACE> <312:T_ABSTRACT>abstract<382:T_WHITESPACE> <361:T_CLASS>class<382:T_WHITESPACE> <319:T_STRING>C<382:T_WHITESPACE> <364:T_EXTENDS>extends<382:T_WHITESPACE> <319:T_STRING>ZZZ<382:T_WHITESPACE> <365:T_IMPLEMENTS>implements<382:T_WHITESPACE> <319:T_STRING>III<*>,<382:T_WHITESPACE> <319:T_STRING>JJJ<382:T_WHITESPACE> <*>{<382:T_WHITESPACE> <346:T_FUNCTION>function<382:T_WHITESPACE> <*>&<382:T_WHITESPACE> <319:T_STRING>foo<*>(<*>)<382:T_WHITESPACE> <*>{<*>}<382:T_WHITESPACE> <*>}<382:T_WHITESPACE>
Output for 7.0.0 - 7.0.20, 7.1.0, 7.1.20 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
Notice: Only variables should be passed by reference in /in/Zh52l on line 5 <379:T_OPEN_TAG><?php <382:T_WHITESPACE> <388:T_NAMESPACE>namespace<382:T_WHITESPACE> <319:T_STRING>AAA<390:T_NS_SEPARATOR>\<319:T_STRING>BBB<*>;<382:T_WHITESPACE> <353:T_USE>use<382:T_WHITESPACE> <319:T_STRING>XXX<390:T_NS_SEPARATOR>\<319:T_STRING>YYY<*>;<382:T_WHITESPACE> <377:T_COMMENT>// Comment <382:T_WHITESPACE> <377:T_COMMENT># Comment <382:T_WHITESPACE> <377:T_COMMENT>/* Comment */<382:T_WHITESPACE> <378:T_DOC_COMMENT>/** * @doc */<382:T_WHITESPACE> <312:T_ABSTRACT>abstract<382:T_WHITESPACE> <361:T_CLASS>class<382:T_WHITESPACE> <319:T_STRING>C<382:T_WHITESPACE> <364:T_EXTENDS>extends<382:T_WHITESPACE> <319:T_STRING>ZZZ<382:T_WHITESPACE> <365:T_IMPLEMENTS>implements<382:T_WHITESPACE> <319:T_STRING>III<*>,<382:T_WHITESPACE> <319:T_STRING>JJJ<382:T_WHITESPACE> <*>{<382:T_WHITESPACE> <346:T_FUNCTION>function<382:T_WHITESPACE> <*>&<382:T_WHITESPACE> <319:T_STRING>foo<*>(<*>)<382:T_WHITESPACE> <*>{<*>}<382:T_WHITESPACE> <*>}<382:T_WHITESPACE>
Output for 7.1.5 - 7.1.10
Notice: Only variables should be passed by reference in /in/Zh52l on line 5 <379:T_OPEN_TAG><?php <382:T_WHITESPACE> <388:T_NAMESPACE>namespace<382:T_WHITESPACE> <319:T_STRING>AAA<390:T_NS_SEPARATOR>\<319:T_STRING>BBB<*>;<382:T_WHITESPACE> <353:T_USE>use<382:T_WHITESPACE> <319:T_STRING>XXX<390:T_NS_SEPARATOR>\<319:T_STRING>YYY<*>;<382:T_WHITESPACE> <377:T_COMMENT>// Comment <382:T_WHITESPACE> <377:T_COMMENT># Comment <382:T_WHITESPACE> <377:T_COMMENT>/* Comment */<382:T_WHITESPACE> <378:T_DOC_COMMENT>/** * @doc */<382:T_WHITESPACE> <315:T_ABSTRACT>abstract<382:T_WHITESPACE> <361:T_CLASS>class<382:T_WHITESPACE> <319:T_STRING>C<382:T_WHITESPACE> <364:T_EXTENDS>extends<382:T_WHITESPACE> <319:T_STRING>ZZZ<382:T_WHITESPACE> <365:T_IMPLEMENTS>implements<382:T_WHITESPACE> <319:T_STRING>III<*>,<382:T_WHITESPACE> <319:T_STRING>JJJ<382:T_WHITESPACE> <*>{<382:T_WHITESPACE> <346:T_FUNCTION>function<382:T_WHITESPACE> <*>&<382:T_WHITESPACE> <319:T_STRING>foo<*>(<*>)<382:T_WHITESPACE> <*>{<*>}<382:T_WHITESPACE> <*>}<382:T_WHITESPACE>
Output for 5.6.8 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/Zh52l on line 5 <376:T_OPEN_TAG><?php <379:T_WHITESPACE> <385:T_NAMESPACE>namespace<379:T_WHITESPACE> <310:T_STRING>AAA<388:T_NS_SEPARATOR>\<310:T_STRING>BBB<*>;<379:T_WHITESPACE> <344:T_USE>use<379:T_WHITESPACE> <310:T_STRING>XXX<388:T_NS_SEPARATOR>\<310:T_STRING>YYY<*>;<379:T_WHITESPACE> <374:T_COMMENT>// Comment <379:T_WHITESPACE> <374:T_COMMENT># Comment <379:T_WHITESPACE> <374:T_COMMENT>/* Comment */<379:T_WHITESPACE> <375:T_DOC_COMMENT>/** * @doc */<379:T_WHITESPACE> <351:T_ABSTRACT>abstract<379:T_WHITESPACE> <358:T_CLASS>class<379:T_WHITESPACE> <310:T_STRING>C<379:T_WHITESPACE> <361:T_EXTENDS>extends<379:T_WHITESPACE> <310:T_STRING>ZZZ<379:T_WHITESPACE> <362:T_IMPLEMENTS>implements<379:T_WHITESPACE> <310:T_STRING>III<*>,<379:T_WHITESPACE> <310:T_STRING>JJJ<379:T_WHITESPACE> <*>{<379:T_WHITESPACE> <337:T_FUNCTION>function<379:T_WHITESPACE> <*>&<379:T_WHITESPACE> <310:T_STRING>foo<*>(<*>)<379:T_WHITESPACE> <*>{<*>}<379:T_WHITESPACE> <*>}<379:T_WHITESPACE>
Output for 5.5.24 - 5.5.35
Strict Standards: Only variables should be passed by reference in /in/Zh52l on line 5 <374:T_OPEN_TAG><?php <377:T_WHITESPACE> <383:T_NAMESPACE>namespace<377:T_WHITESPACE> <308:T_STRING>AAA<386:T_NS_SEPARATOR>\<308:T_STRING>BBB<*>;<377:T_WHITESPACE> <342:T_USE>use<377:T_WHITESPACE> <308:T_STRING>XXX<386:T_NS_SEPARATOR>\<308:T_STRING>YYY<*>;<377:T_WHITESPACE> <372:T_COMMENT>// Comment <377:T_WHITESPACE> <372:T_COMMENT># Comment <377:T_WHITESPACE> <372:T_COMMENT>/* Comment */<377:T_WHITESPACE> <373:T_DOC_COMMENT>/** * @doc */<377:T_WHITESPACE> <349:T_ABSTRACT>abstract<377:T_WHITESPACE> <356:T_CLASS>class<377:T_WHITESPACE> <308:T_STRING>C<377:T_WHITESPACE> <359:T_EXTENDS>extends<377:T_WHITESPACE> <308:T_STRING>ZZZ<377:T_WHITESPACE> <360:T_IMPLEMENTS>implements<377:T_WHITESPACE> <308:T_STRING>III<*>,<377:T_WHITESPACE> <308:T_STRING>JJJ<377:T_WHITESPACE> <*>{<377:T_WHITESPACE> <335:T_FUNCTION>function<377:T_WHITESPACE> <*>&<377:T_WHITESPACE> <308:T_STRING>foo<*>(<*>)<377:T_WHITESPACE> <*>{<*>}<377:T_WHITESPACE> <*>}<377:T_WHITESPACE>
preferences:
165.33 ms | 403 KiB | 213 Q