3v4l.org

run code in 300+ PHP versions simultaneously
<?php $handler = function($errorNumber, $errorMessage, $file, $line) { echo "Error [$errorNumber] in [$file] at line [$line]: '[$errorMessage]'\r\n"; }; set_error_handler($handler); try { echo $a; session_start(); echo session_id(); } catch (Throwable $e) { echo "Error caught!"; }

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17.35 ms | 406 KiB | 5 Q