3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types = 1); class HelloWorld { public function func(int $param1, int $param2) : void{ $str = "hello"; $str["a"] = "w"; $str["b"] = "o"; //\PHPStan\dumpType($str); var_dump($str); } } (new HelloWorld())->func(1, 2);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/N9Aoe:7 Stack trace: #0 /in/N9Aoe(14): HelloWorld->func(1, 2) #1 {main} thrown in /in/N9Aoe on line 7
Process exited with code 255.
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 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Illegal string offset 'a' in /in/N9Aoe on line 7 Warning: Illegal string offset 'b' in /in/N9Aoe on line 8 string(5) "oello"
preferences:
175.41 ms | 409 KiB | 5 Q