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<code class="php">header("Cache-Control: private"); header("Content-Type: application/stream"); header("Content-Length: ".$fileSize); // File size in bytes header("Content-Disposition: attachment; filename=".$fileName); // File name to display</code>
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??? ???? ???? ?? ??? ???? ???. ?? ?? ???? ?? ????? ??? PHP readfile() ??? ???? ?????.
<code class="php">readfile ($filePath); exit();</code>
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<code class="php"><?php // Fetch the file info. $filePath = '/path/to/file/on/disk.jpg'; if(file_exists($filePath)) { $fileName = basename($filePath); $fileSize = filesize($filePath); // Output headers. header("Cache-Control: private"); header("Content-Type: application/stream"); header("Content-Length: ".$fileSize); header("Content-Disposition: attachment; filename=".$fileName); // Output file. readfile ($filePath); exit(); } else { die('The provided file path is not valid.'); } ?></code>
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??? ?? ?????? ?? ??? ???? ?? ??? ??? ?? ????? ??? ????? ?? ???? ???. ?? ??? ????.
<code class="html"><a href="download.php?file=/path/to/file.jpg">Download</a></code>
download.php?? ?? ?? ????? ???? ??? ?? ?? ??? ??? ? ????.
<code class="php"><?php $file = $_GET['file']; if(file_exists($file)) { // Display confirmation panel... if(isset($_POST['confirm'])) { // Confirm button clicked header("Cache-Control: private"); header("Content-Type: application/stream"); header("Content-Length: ".filesize($file)); header("Content-Disposition: attachment; filename=".basename($file)); readfile ($file); exit(); } } else { die('Invalid file path.'); } ?></code>
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ProceduralAndObject-OrientedProgramming (OOP) InphpDiffersiMINTIFINTIONTERINGLISTURE, ??? ? ? DATAHANDLING

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PHP?? ?? ???? ???? ????? ??? ?? ??? ???? ?? ??? ??? ??? ???? ????. 1. finfo_file ()? ???? ?? ?? ??? ???? ???/jpeg? ?? ?? ?? ? ?????. 2. uniqid ()? ???? ??? ?? ??? ???? ? Web ?? ????? ??????. 3. php.ini ? html ??? ?? ?? ??? ???? ???? ??? 0755? ?????. 4. Clamav? ???? ???? ???? ??? ??????. ??? ??? ?? ???? ????? ???? ?? ??? ????? ???? ??? ? ??? ?????.

?, PHP? ?? ?? ?? ?????? ?? MongoDB ? Redis? ?? NOSQL ??????? ?? ??? ? ????. ?? MongoDBPHP ???? (PECL ?? Composer? ?? ??)? ???? ????? ????? ??? ?????? ? ???? ????? ??, ??, ?? ? ?? ??? ?????. ??, Predis ????? ?? Phpredis ??? ???? Redis? ???? ?? ? ?? ? ??? ???? ??? ????? Phpredis? ???? ?? Predis? ?? ??? ?????. ? ? ?? ??? ???? ? ????? ????.

PHP?? ==? ==? ?? ???? ?? ??? ??????. == ?? ??? ?? ?? ?????. ?? ??, 5 == "5"? true? ????, ?? ??? ???? ?? ?? ??? ????? ????? (? : 5 === "5"? false? ?????. ?? ?????? ===? ? ???? ?? ?????? == ?? ??? ??? ???? ?????.

PHP?? ?? ??? ??? ???? ??? ??? ????. 1. ?? ??? ?? ? ?? ??? ??? ???? ???? ??? ? ????. ??? ??? ???? ????? ????? ???? ????. 2. ?? ?? ?? - ??, ??? ???? ?? ??? ?????. 3. ?? ???? ??? ??? ???? ??? ??? ?????. 4. Division? / ??? ???? 0?? ??? ?? ????? ??? ?? ??? ?? ? ? ????. 5. ???? ??? ???? ?? ?? ? ?? ??? ???? ? ??? ? ???, ??? ?? ? ? ??? ??? ???? ?????. ? ???? ???? ???? ??? ??? ??? ???? ?? ??? ? ??????? ????.
