运行成功。。。
//运行成功 <?php $document_root = $_SERVER['DOCUMENT_ROOT']; $filename = "$document_root/test.txt"; if(file_exists($filename)){ echo "文件存在"; }
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//运行成功 <?php $document_root = $_SERVER['DOCUMENT_ROOT']; $filename = "$document_root/test.txt"; if(file_exists($filename)){ echo "文件存在"; }
2020-07-15
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