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run code in 300+ PHP versions simultaneously
<?php class Loader { public function __call($name, $arguments) { eval("class $arguments[0] {}"); } } spl_autoload_register(array(new Loader(), 'load_class')); $a = "a"; for ($i = 0; $i < 10; $i++) { new $a; $a++; } echo "Done";
Output for 8.5.0
Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/AecvW on line 15 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/AecvW on line 15 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/AecvW on line 15 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/AecvW on line 15 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/AecvW on line 15 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/AecvW on line 15 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/AecvW on line 15 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/AecvW on line 15 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/AecvW on line 15 Deprecated: Increment on non-numeric string is deprecated, use str_increment() instead in /in/AecvW on line 15 Done
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 7.0.16 - 7.0.26, 7.1.2 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14
Done
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.15, 7.1.0 - 7.1.1

Process exited with code 139.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Missing argument 2 for Loader::__call() in /in/AecvW on line 5 Notice: Undefined variable: arguments in /in/AecvW on line 7 Parse error: syntax error, unexpected '{', expecting T_STRING in /in/AecvW(7) : eval()'d code on line 1 Fatal error: Class 'a' not found in /in/AecvW on line 14
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function spl_autoload_register() in /in/AecvW on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/AecvW on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/AecvW on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/AecvW on line 5
Process exited with code 255.
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