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run code in 200+ PHP versions simultaneously
<?php // 获取user参数的值(如果为空,则用'nobody') $username = @$_GET['user'] ?: 'nobody'; // 等价于: $username = isset($_GET['user']) ? $_GET['user'] : 'nobody'; echo $username;
based on q8gPN
Output for 5.3.0 - 7.4.1
nobody
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected ':' in /in/aDUW8 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':' in /in/aDUW8 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/aDUW8 on line 4
Process exited with code 255.