Google지도에서 src 추출 정규 표현식을 사용하여 소스 코드 포함

Question

안녕하세요 여러분, 읽고 감사드립니다. 나는 이런 링크가 있습니다

<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="https://maps.google.it/maps?f=q&amp;source=s_q&amp;hl=en&amp;geocode=&amp;q=monte+rosa&amp;aq=&amp;sll=45.454082,9.213138&amp;sspn=0.009016,0.01929&amp;t=h&amp;gl=it&amp;ie=UTF8&amp;hq=&amp;hnear=Monte+Rosa,+Province+of+Varese,+Lombardy&amp;ll=45.690627,8.824349&amp;spn=0.008978,0.01929&amp;z=14&amp;iwloc=A&amp;output=embed"></iframe><br /><small><a href="https://maps.google.it/maps?f=q&amp;source=embed&amp;hl=en&amp;geocode=&amp;q=monte+rosa&amp;aq=&amp;sll=45.454082,9.213138&amp;sspn=0.009016,0.01929&amp;t=h&amp;gl=it&amp;ie=UTF8&amp;hq=&amp;hnear=Monte+Rosa,+Province+of+Varese,+Lombardy&amp;ll=45.690627,8.824349&amp;spn=0.008978,0.01929&amp;z=14&amp;iwloc=A" style="color:#0000FF;text-align:left">View Larger Map</a></small> 

는 내가 모든 것을 추출 할 즉에만이

https://maps.google.it/maps?f=q&source=s_q&hl=en&geocode=&q=monte+rosa&aq=&sll=45.454082,9.213138&sspn=0.009016,0.01929&t=h&gl=it&ie=UTF8&hq=&hnear=Monte+Rosa,+Province+of+Varese,+Lombardy&ll=45.690627,8.824349&spn=0.008978,0.01929&z=14&iwloc=A&output=embed 

을 추출 할를 SRC 후 = "링크가 끝날 때까지". 정규식을 사용하여 시도했지만 정확한 구문을 파악할 수 없습니다. 어떤 도움이 가장 감사 할 것입니다.

Answer 1

$html = '<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="https://maps.google.it/maps?f=q&amp;source=s_q&amp;hl=en&amp;geocode=&amp;q=monte+rosa&amp;aq=&amp;sll=45.454082,9.213138&amp;sspn=0.009016,0.01929&amp;t=h&amp;gl=it&amp;ie=UTF8&amp;hq=&amp;hnear=Monte+Rosa,+Province+of+Varese,+Lombardy&amp;ll=45.690627,8.824349&amp;spn=0.008978,0.01929&amp;z=14&amp;iwloc=A&amp;output=embed"></iframe><br /><small><a href="https://maps.google.it/maps?f=q&amp;source=embed&amp;hl=en&amp;geocode=&amp;q=monte+rosa&amp;aq=&amp;sll=45.454082,9.213138&amp;sspn=0.009016,0.01929&amp;t=h&amp;gl=it&amp;ie=UTF8&amp;hq=&amp;hnear=Monte+Rosa,+Province+of+Varese,+Lombardy&amp;ll=45.690627,8.824349&amp;spn=0.008978,0.01929&amp;z=14&amp;iwloc=A" style="color:#0000FF;text-align:left">View Larger Map</a></small>'; 
preg_match('~iframe.*src="([^"]*)"~', $html, $result); 
var_dump($result[1]);