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run code in 300+ PHP versions simultaneously
<?php namespace My; class XMLReader extends \XMLReader { public static function open(string $uri, string $encoding = null, int $flags = 0): bool|\XMLReader { echo 'overridden', PHP_EOL; return true; } } XMLReader::open('asdf'); $o = new XMLReader; $o->open('asdf');
Output for 8.4.1 - 8.4.14, 8.5.0
Deprecated: My\XMLReader::open(): Implicitly marking parameter $encoding as nullable is deprecated, the explicit nullable type must be used instead in /in/7iLBU on line 6 overridden overridden
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 8.2.20 - 8.2.29, 8.3.8 - 8.3.28
overridden overridden
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
overridden Warning: XMLReader::open(): Unable to open source data in /in/7iLBU on line 15
preferences:
64.8 ms | 410 KiB | 5 Q