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run code in 300+ PHP versions simultaneously
<?php class google{}function __autoload($c){eval("class _$c{} class $c{}");echo strlen($c);}function g($x){class_exists($x);} g('bing'); g('bing'); g('google');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: __autoload() is no longer supported, use spl_autoload_register() instead in /in/tW0Gg on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: __autoload() is deprecated, use spl_autoload_register() instead in /in/tW0Gg on line 3 4
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.3.32 - 7.3.33
4

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