<div style="height: 0; padding-bottom: 56.25%; position: relative;">
<iframe src="https://www.youtube.com/embed/YOUTUBE-ID?rel=0&controls=1&showinfo=0" frameborder="0" style="height: 100%; left: 0; position: absolute; width: 100%;" width="100%" allowfullscreen></iframe>
</div>
// 해당 도메인의 favicon
http://www.google.com/s2/favicons?domain=www.your-domain.com
// 해당 URL의 favicon
http://www.google.com/s2/favicons?domain_url=http://www.your-domain.com
<html b:version='2' class='v2' expr:dir='data:blog.languageDirection' xmlns='http://www.w3.org/1999/xhtml' xmlns:b='http://www.google.com/2005/gml/b' xmlns:data='http://www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>xmlns:og='http://ogp.me/ns#'<html b:version='2' class='v2' expr:dir='data:blog.languageDirection' xmlns='http://www.w3.org/1999/xhtml' xmlns:b='http://www.google.com/2005/gml/b' xmlns:data='http://www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr' xmlns:og='http://ogp.me/ns#'><!-- BEGIN: Open Graph Meta -->
<meta content='blog' property='og:type'/>
<meta content='summary' name='twitter:card'/>
<meta expr:content='data:blog.pageTitle' property='og:title'/>
<meta expr:content='data:blog.title' property='og:site_name'/>
<meta expr:content='data:blog.title' name='twitter:title'/>
<meta expr:content='data:blog.canonicalUrl' property='og:url'/>
<b:if cond='data:blog.postImageThumbnailUrl'>
<meta expr:content='data:blog.postImageThumbnailUrl' property='og:image'/>
<meta expr:content='data:blog.postImageThumbnailUrl' name='twitter:image'/>
</b:if>
<b:if cond='data:blog.metaDescription'>
<meta expr:content='data:blog.metaDescription' property='og:description'/>
<meta expr:content='data:blog.metaDescription' name='twitter:description'/>
<meta expr:content='data:blog.metaDescription' name='description'/>
</b:if>
<!-- END: Open Graph Meta -->
<-- hightlight.js -->
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.10.0/styles/default.min.css" />
<script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.10.0/highlight.min.js"></script>
<script>hljs.initHighlightingOnLoad();</script>
// 샘플코드
<pre><code>
<?php
echo "Hello World!!";
?>
</code></pre>
// 특수문자를 제거한다.
$string = preg_replace("/[ #\&\+\-%@=\/\\\:;,\.'\"\^`~\_|\!\?\*$#<>()\[\]\{\}]/i", "", $string);
// HTML 또는 Javascript 등을 제거한다.
$string = preg_replace("(\<(/?[^\>]+)\>)", "", $string);
// 숫자를 제외한 모든 문자 삭제
$string = preg_replace("/[^0-9]*/s", "", $string);
// 전화번호 표기(하이튼 표기)
preg_replace("/(0(?:2|[0-9]{2}))([0-9]+)([0-9]{4})/", "\\1−\\2−\\3", $phone_number);
$value = array (
'Key' => $string,
'Key' => $string
);
// Header 정의
header('Access-Control-Allow-Origin: *');
header('Content-Type: application/json; charset=utf-8');
// json 출력
echo json_encode($value, JSON_NUMERIC_CHECK | JSON_UNESCAPED_UNICODE);
exit;
// Callback 함수 받기
$callback = $_REQUEST['callback'];
// Header 정의
header('Access-Control-Allow-Origin: *');
header('Content-Type: application/json; charset=utf-8');
// json 출력
if($callback) {
echo $callback."(".json_encode($value, JSON_NUMERIC_CHECK | JSON_UNESCAPED_UNICODE).")";
} else {
echo json_encode($value, JSON_NUMERIC_CHECK | JSON_UNESCAPED_UNICODE);
}
exit;
$string = explode('|' , $string);
// ereg() 사용
ereg('%', $variable);
// preg_match() 사용
preg_match('/%/', $variable);error_reporting(E_ALL);
ini_set("display_errors", 1);ini_set('display_errors', 1);
ini_set('error_reporting', E_ALL);// 앞, 뒤의 스페이스 제거
$string = trim($string);
// 문자열내 모든 스페이스 제거
$string = preg_replace("/\s+/", "", $string);