如何用PHP编写程序实现基于长尾词的短网址生成功能？
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本文共计105个文字，预计阅读时间需要1分钟。
php 45) { $length=$length - 30; $first=substr($url, 0, -$length); $last=substr($url, -15); $new=$first . [...] . $last; return $new; } else { return $url; }}?>
<?php function shorturl($url){ $length = strlen($url); if($length > 45){ $length = $length - 30; $first = substr($url, 0, -$length); $last = substr($url, -15); $new = $first."[ ... ]".$last; return $new; }else{ return $url; } } ?> // USAGE <?php $longurl= "www.google.com/search?q=symfony+project&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:tr:official&client=firefox-a"; $shorturl = shorturl($longurl); echo "<a href=\"$longurl\">$shorturl</a>"; ?>
本文共计105个文字，预计阅读时间需要1分钟。
php 45) { $length=$length - 30; $first=substr($url, 0, -$length); $last=substr($url, -15); $new=$first . [...] . $last; return $new; } else { return $url; }}?>
<?php function shorturl($url){ $length = strlen($url); if($length > 45){ $length = $length - 30; $first = substr($url, 0, -$length); $last = substr($url, -15); $new = $first."[ ... ]".$last; return $new; }else{ return $url; } } ?> // USAGE <?php $longurl= "www.google.com/search?q=symfony+project&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:tr:official&client=firefox-a"; $shorturl = shorturl($longurl); echo "<a href=\"$longurl\">$shorturl</a>"; ?>