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base64_encode -- Ê¹ÓÃ MIME base64 ¶ÔÊý¾Ý½øÐÐ±àÂë
get_headers -- Fetches all the headers sent by the server in response to a HTTP request
get_meta_tags -- ´ÓÒ»¸öÎÄ¼þÖÐÌáÈ¡ËùÓÐµÄ meta ±êÇ© content ÊôÐÔ£¬·µ»ØÒ»¸öÊý×é
http_build_query -- Éú³É url-encoded Ö®ºóµÄÇëÇó×Ö·û´®
parse_url -- ½âÎö URL£¬·µ»ØÆä×é³É²¿·Ö
rawurldecode -- ¶ÔÒÑ±àÂëµÄ URL ×Ö·û´®½øÐÐ½âÂë
rawurlencode -- °´ÕÕ RFC 1738 ¶Ô URL ½øÐÐ±àÂë
urldecode -- ½âÂëÒÑ±àÂëµÄ URL ×Ö·û´®
urlencode -- ±àÂë URL ×Ö·û´®

add a note User Contributed Notes
URL º¯Êý¿â

tumor at kkt dot bme dot hu
02-Apr-2000 02:18

To check if a URL is valid, try to fopen() it. If fopen() results an error
(returns false), then PHP cannot open the URL you asked. This is usually
because it is not valid...

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