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<code class="php">// Limit the number of adjacent pages $adjacents = 3; // Fetch data for the current page // ... (Code snippet omitted for brevity) // Calculate pagination information $total_pages = ceil($total_results / $limit); $prev = $page - 1; $next = $page + 1; $lastpage = $lastpage - 1; // Initialize pagination HTML markup $pagination = '<nav aria-label="page navigation"><ul class="pagination">'; // Determine page range to display based on current page and adjacent page limit if ($lastpage < 7 + ($adjacents * 2)) { // Display all pages for ($i = 1; $i <= $lastpage; $i++) { $pagination .= "<li class='page-item" . ($i == $page ? ' active' : '') . "'><a class='page-link' href='?page=$i'>$i</a></li>"; } } else { // Display first and last pages $pagination .= "<li class='page-item'><a class='page-link' href='?page=1'>1</a></li>"; $pagination .= "<li class='page-item disabled'><span class='page-link'>...</span></li>"; $pagination .= "<li class='page-item'><a class='page-link' href='?page=$lastpage'>$lastpage</a></li>"; // Display pages adjacent to the current page if ($page < 1 + ($adjacents * 2)) { // Display pages near the beginning for ($i = 1; $i < 4 + ($adjacents * 2); $i++) { $pagination .= "<li class='page-item" . ($i == $page ? ' active' : '') . "'><a class='page-link' href='?page=$i'>$i</a></li>"; } } elseif ($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2)) { // Display pages in the middle $pagination .= "<li class='page-item disabled'><span class='page-link'>...</span></li>"; for ($i = $page - $adjacents; $i <= $page + $adjacents; $i++) { $pagination .= "<li class='page-item" . ($i == $page ? ' active' : '') . "'><a class='page-link' href='?page=$i'>$i</a></li>"; } } else { // Display pages near the end $pagination .= "<li class='page-item disabled'><span class='page-link'>...</span></li>"; for ($i = $lastpage - (2 + ($adjacents * 2)); $i <= $lastpage; $i++) { $pagination .= "<li class='page-item" . ($i == $page ? ' active' : '') . "'><a class='page-link' href='?page=$i'>$i</a></li>"; } } } // Display previous and next page links if ($page != 1) { $pagination .= "<li class='page-item'><a class='page-link' href='?page=$prev'>Previous</a></li>"; } if ($page != $lastpage) { $pagination .= "<li class='page-item'><a class='page-link' href='?page=$next'>Next</a></li>"; } // Output pagination HTML echo $pagination . '</ul></nav>';</code>
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TOSECURELYHANDLEAUSTENCENDACTIONANDACTERIZINGINPHP, FORCUCTSESTEPS : 1. ALWAYSHASHPASSWORTHPASSWORD_HASH () ? VERVERIFYUSINGPANSWORD_VERIFY (), usePREPAREDSTATEMENTSTOPREVENTSQLINGERGED, andSTOREUSERSESSEATAIN $ _SESSIONSAFTERLOGIN.2.impleplempletrole ?? ACCESSC

ProceduralAndObject-OrientedProgramming (OOP) InphpDiffersiMINTIFINTIONTERINGLISTURE, ??? ? ? DATAHANDLING

phpdoesnothaveAbuilt-inweakMapButofferSweakReference.1.WeakReenceAllowsholdingReferences withoutpreventinggarbageCollection.2.ItusteForCaching, Eventlisteners, andMetAdataWithoutAftingObjectLifeCycles.3.youcoucococococococcinccing

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

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

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

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