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run code in 300+ PHP versions simultaneously
<?php $someJson = '{"":""}'; $myObject = json_decode($someJson); $newJson = json_encode($myObject); var_dump($someJson, $newJson, $someJson === $newJson); $myObject = (object)[""=>""]; $serialized = serialize($myObject); var_dump($myObject, $serialized); $unserialized = unserialize($serialized); var_dump($unserialized);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.29, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
string(7) "{"":""}" string(7) "{"":""}" bool(true) object(stdClass)#2 (1) { [""]=> string(0) "" } string(33) "O:8:"stdClass":1:{s:0:"";s:0:"";}" object(stdClass)#1 (1) { [""]=> string(0) "" }
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 5.6.21 - 5.6.40, 7.0.6 - 7.0.33
string(7) "{"":""}" string(14) "{"_empty_":""}" bool(false) object(stdClass)#2 (1) { [""]=> string(0) "" } string(33) "O:8:"stdClass":1:{s:0:"";s:0:"";}" object(stdClass)#1 (1) { [""]=> string(0) "" }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.20, 7.0.0 - 7.0.5
string(7) "{"":""}" string(14) "{"_empty_":""}" bool(false) object(stdClass)#2 (1) { Notice: Illegal member variable name in /in/Tg6GB on line 11 [""]=> string(0) "" } string(33) "O:8:"stdClass":1:{s:0:"";s:0:"";}" object(stdClass)#1 (1) { Notice: Illegal member variable name in /in/Tg6GB on line 13 [""]=> string(0) "" }
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188.13 ms | 411 KiB | 5 Q