Php code should be safe, structured, standardized, and adaptive _ PHP Tutorial

Php code should be secure, structured, standardized, and adaptive. The excellent PHP code should be structured. The excellent PHP code should be standardized. The excellent PHP code should be adaptive. Good PHP code should be safe. The excellent PHP code of PHP code should be structured.
The excellent PHP code should be standardized.
The excellent PHP code should be adaptive.
Good PHP code should be safe.

What are the advantages and disadvantages of PHP code?

Copy to ClipboardReference: [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. properly optimized code
If (isset ($ _ GET ['query'])
{
Echo'

Search results for query :',
Htmlspecialchars ($ _ GET ['query'], ENT_QUOTES ),'.

';
}
?>

Bytes. The excellent PHP code should be standardized. The excellent PHP code should be adaptive. Good PHP code should be safe. PHP code optimization...