PHP code should be safe, structured, standardized and adaptive_PHP tutorial

Good PHP code should be structured.
Excellent PHP code should be standardized.
Good PHP code should be adaptive.
Good PHP code should be safe.

What are the advantages and disadvantages of PHP code?

Copy to ClipboardQuoted content: [www.bkjia.com] 1. Unoptimized php code
echo("

Search results for query: " .
$_GET['query'] . ".

" );
?>
2. Simple optimized code
echo("

Search results for query: " .
htmlspecialchars($_GET[' query']) . “.

”);
?>
3. Reasonably optimized code
if (isset($_GET['query ']))
{
echo '

Search results for query: ',
htmlspecialchars($_GET['query'], ENT_QUOTES), '.

';
}
?>

http://www.bkjia.com/PHPjc/363959.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/363959.htmlTechArticleExcellent PHP code should be structured. Good PHP code should be standardized. Good PHP code should be adaptive. Good PHP code should be safe. Advantages of PHP code...