摘要：
参考 https://blog.csdn.net/a3320315/article/details/103544980?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EC 阅读全文
摘要：
官方文档:https://bugs.php.net/bug.php?id=76671&edit=1 使用方法: Test script: $x = $_GET['x']; //?x=file:///var/www/html/readme.%2570hp $pos = strpos($x,"php") 阅读全文