{"id":1097,"date":"2019-09-19T14:01:36","date_gmt":"2019-09-19T06:01:36","guid":{"rendered":"https:\/\/wyxxt.org.cn\/?p=1097"},"modified":"2023-12-04T15:51:59","modified_gmt":"2023-12-04T07:51:59","slug":"php%e6%93%8d%e4%bd%9c%e6%96%87%e4%bb%b6%e5%87%bd%e6%95%b0%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/wyxxt.org.cn\/?p=1097","title":{"rendered":"php\u64cd\u4f5c\u6587\u4ef6\u51fd\u6570\u603b\u7ed3"},"content":{"rendered":"<pre><code class=\"language-php line-numbers\">&lt;?php\n\/\/ob_start(); \/\/\u6253\u5f00\u7f13\u51b2\u533a\n\/\/phpinfo(); \/\/\u4f7f\u7528phpinfo\u51fd\u6570\n\/\/$info=ob_get_contents(); \/\/\u5f97\u5230\u7f13\u51b2\u533a\u7684\u5185\u5bb9\u5e76\u4e14\u8d4b\u503c\u7ed9$info\n\/\/$file=fopen('info.txt', 'a+'); \/\/\u6253\u5f00\u6587\u4ef6info.txt\n\/\/fwrite($file,$info); \/\/\u5199\u5165\u4fe1\u606f\u5230info.txt\n\/\/fclose($file); \/\/\u5173\u95ed\u6587\u4ef6info.txt\n\/\/\n\/\/$content = file_get_contents('info.txt');\n\/\/print_r($content);\n\necho basename('.\/info.txt', '.txt') . PHP_EOL; \/\/\u8fd4\u56de\u8def\u5f84\u4e2d\u6587\u4ef6\u540d\n\ncopy('.\/info.txt', '.\/info_backup.txt'); \/\/\u590d\u5236\u6587\u4ef6\n\necho disk_free_space('.\/') . PHP_EOL; \/\/\u8fd4\u56de\u76ee\u5f55\u53ef\u7528\u7a7a\u95f4\n\necho disk_total_space('.\/') . PHP_EOL; \/\/\u8fd4\u56de\u76ee\u5f55\u78c1\u76d8\u603b\u5bb9\u91cf\n\necho file_exists('.\/info.txt') . PHP_EOL; \/\/ \u68c0\u67e5\u6587\u4ef6\u6216\u76ee\u5f55\u662f\u5426\u5b58\u5728\n\n$content = file_get_contents('.\/info.txt'); \/\/ \u5c06\u6587\u4ef6\u8bfb\u5165\u5b57\u7b26\u4e32\n\/\/echo $content . PHP_EOL;\n\nfile_put_contents('.\/info_2.txt', $content); \/\/ \u5c06\u5b57\u7b26\u4e32\u5199\u5165\u6587\u4ef6\n\necho filesize('.\/info.txt') . PHP_EOL; \/\/ \u8fd4\u56de\u6587\u4ef6\u5927\u5c0f\n\necho filetype('.\/info.txt') . PHP_EOL; \/\/ \u8fd4\u56de\u95ee\u4ef7\u7c7b\u578b\n\nprint_r(glob('*.*'));echo PHP_EOL; \/\/ \u8fd4\u56de\u5339\u914d\u6587\u4ef6\u4e0e\u76ee\u5f55\u6570\u7ec4\n\necho is_dir('.\/123') . PHP_EOL; \/\/ \u5224\u65ad\u662f\u5426\u4e3a\u76ee\u5f55\n\necho is_writable('.\/info.txt') . PHP_EOL; \/\/ \u5224\u65ad\u6587\u4ef6\u662f\u5426\u53ef\u5199\n\nmkdir('.\/456'); \/\/ \u521b\u5efa\u76ee\u5f55\n\nrmdir('.\/456'); \/\/\u5220\u9664\u76ee\u5f55\n\nmove_uploaded_file('.\/info.txt', '.\/123\/'); \/\/ \u5c06\u4e0a\u4f20\u6587\u4ef6\u79fb\u52a8\u5230\u65b0\u4f4d\u7f6e\n\nprint_r(parse_ini_file('php.ini'));echo PHP_EOL; \/\/ \u89e3\u6790\u914d\u7f6e\u6587\u4ef6\n\necho realpath('.\/info.txt') . PHP_EOL; \/\/ \u8fd4\u56de\u7edd\u5bf9\u8def\u5f84\n\nrename('.\/123', '112'); \/\/ \u91cd\u547d\u540d\u6587\u4ef6\u6216\u76ee\u5f55\n\n$temp2 = tempnam('.\/', 'pre'); \/\/ \u521b\u5efa\u552f\u4e00\u4e34\u65f6\u6587\u4ef6\necho $temp2. PHP_EOL;\n\n$temp = tmpfile(); \/\/ \u5efa\u7acb\u4e34\u65f6\u6587\u4ef6\nfwrite($temp, \"Testing, testing.\");\n\/\/\u5012\u56de\u6587\u4ef6\u7684\u5f00\u5934\nrewind($temp);\n\/\/\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6 1k\necho fread($temp,1024);\n\/\/\u5220\u9664\u6587\u4ef6\nfclose($temp);echo PHP_EOL;\n\nunlink($temp2); \/\/ \u5220\u9664\u6587\u4ef6\n\nchmod('.\/info_2.txt', '664'); \/\/ \u6539\u53d8\u6587\u4ef6\u6a21\u5f0f\n\nchown('.\/info_2.txt', 'www'); \/\/ \u6539\u53d8\u6587\u4ef6\u6240\u6709\u8005\n\nchgrp('.\/info_2.txt', 'www'); \/\/ \u6539\u53d8\u6587\u4ef6\u7ec4\n\nmkdir('.\/445\/888\/125', '0777', true); \/\/\u521b\u5efa\u591a\u7ea7\u76ee\u5f55\n\nrmdir('.\/445\/888\/125'); \/\/\u5220\u9664\u76ee\u5f55\n\/\/ PHP_EOL \u56de\u8f66\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>&lt;?php \/\/ob_start(); \/\/\u6253\u5f00\u7f13\u51b2\u533a \/\/phpinfo(); \/\/\u4f7f\u7528phpinfo 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