Web 開発者にとって不可欠な 10 の命を救う PHP コード スニペット_PHP チュートリアル

[コード]キーワードハイライト

リーリー

1. リーリー
2. ) || !is_string ( $sString)) { } $sWords = 爆破 ('|'
,
3. $aWords);
return
4. preg_replace (
'@b('
5. .
$sWords
6. .')b@si', '$1' , $sString );
}
7. [コード] Feedburner ユーザーを取得します

   1. <span><span class="keyword">function</span><span> get_average_readers(</span><span class="vars">$feed_id</span><span>,</span><span class="vars">$interval</span><span> = 7){  </span></span>

   2.     $today = date('Y-m-d', strtotime("now"));  
   3.     $ago = date('Y-m-d', strtotime("-".$interval." days"));  
   4.     $feed_url="https://feedburner.google.com/api/awareness/1.0/GetFeedData?uri=".$feed_id."&dates=".$ago.",".$today;  
   5.     $ch = curl_init();  
   6.     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);  
   7.     curl_setopt($ch, CURLOPT_URL, $feed_url);  
   8.     $data = curl_exec($ch);  
   9.     curl_close($ch);  
   10.     $xml = new SimpleXMLElement($data);  
   11.     $fb = $xml->feed->entry['circulation'];  
   12.  
   13.     $nb = 0;  
   14.     foreach($xml->feed->children() as $circ){  
   15.         $nb += $circ['circulation'];  
   16.     }  
   17.  
   18.     return round($nb/$interval);  
   19. } 

   [代码] 自动生成密码

   1. <span><span class="keyword">function</span><span> generatePassword(</span><span class="vars">$length</span><span>=9, </span><span class="vars">$strength</span><span>=0) {  </span></span>

   2.     $vowels = 'aeuy';  
   3.     $consonants = 'bdghjmnpqrstvz';  
   4.     if ($strength >= 1) {  
   5.         $consonants .= 'BDGHJLMNPQRSTVWXZ';  
   6.     }  
   7.     if ($strength >= 2) {  
   8.         $vowels .= "AEUY";  
   9.     }  
   10.     if ($strength >= 4) {  
   11.         $consonants .= '23456789';  
   12.     }  
   13.     if ($strength >= 8 ) {  
   14.         $vowels .= '@#$%';  
   15.     }  
   16.  
   17.     $password = '';  
   18.     $alt = time() % 2;  
   19.     for ($i = 0; $i < $length; $i++) {
   20. if ($alt == 1) {
   21. $password .= $consonants[(rand() % strlen($consonants))];
   22. $alt = 0;
   23. } else {
   24. $password .= $vowels[(rand() % strlen($vowels))];
   25. $alt = 1;
   26. }
   27. }
   28. return $password;
   29. }

   [代码] 压缩多个CSS文件

   1. <span><span>header(</span><span class="string">&#39;Content-type: text/css&#39;</span><span>);  </span></span>

   2. ob_start("compress");
   3. function compress($buffer) {
   4. /* remove comments */
   5. $buffer = preg_replace('!/*[^*]**+([^/][^*]**+)*/!', '', $buffer);
   6. /* remove tabs, spaces, newlines, etc. */
   7. $buffer = str_replace(array("rn", "r", "n", "t", ' ', ' ', ' '), '', $buffer);
   8. return $buffer;
   9. }
   11. /* your css files */
   12. include('master.css');
   13. include('typography.css');
   14. include('grid.css');
   15. include('print.css');
   16. include('handheld.css');
   18. ob_end_flush();

   [代码] 获取短网址

   1. <span><span class="keyword">function</span><span> getTinyUrl(</span><span class="vars">$url</span><span>) {  </span></span>

   2. return file_get_contents("http://tinyurl.com/api-create.php?url=".$url);
   3. }

   [代码] 根据生日计算年龄

   1. <span><span class="keyword">function</span><span> age(</span><span class="vars">$date</span><span>){  </span></span>

   2. $year_diff = '';
   3. $time = strtotime($date);
   4. if(FALSE === $time){
   5. return '';
   6. }
   8. $date = date('Y-m-d', $time);
   9. list($year,$month,$day) = explode("-",$date);
   10. $year_diff = date("Y") – $year;
   11. $month_diff = date("m") – $month;
   12. $day_diff = date("d") – $day;
   13. if ($day_diff < 0 || $month_diff < 0) $year_diff–;
   15. return $year_diff;
   16. }

   [代码] 计算执行时间

   1. <span><span class="comment">//Create a variable for start time </span><span> </span></span>

   2. $time_start = microtime(true);
   4. // Place your PHP/HTML/JavaScript/CSS/Etc. Here
   6. //Create a variable for end time
   7. $time_end = microtime(true);
   8. //Subtract the two times to get seconds
   9. $time = $time_end - $time_start;
   11. echo 'Script took '.$time.' seconds to execute';

   [代码] PHP的维护模式

   1. <span><span class="keyword">function</span><span> maintenance(</span><span class="vars">$mode</span><span> = FALSE){  </span></span>

   2. if($mode){
   3. if(basename($_SERVER['SCRIPT_FILENAME']) != 'maintenance.php'){
   4. header("Location: http://example.com/maintenance.php");
   5. exit;
   6. }
   7. }else{
   8. if(basename($_SERVER['SCRIPT_FILENAME']) == 'maintenance.php'){
   9. header("Location: http://example.com/");
   10. exit;
   11. }
   12. }
   13. }

   [代码] 阻止CSS样式被缓存

   1. <span><span><link href=< span=""><span class="string">"/stylesheet.css?<!--?php echo time(); ?-->"</span><span> rel=</span><span class="string">"stylesheet"</span><span> type=</span><span class="string">"text/css"</span><span> /&glt; </span></link href=<></span></span>

   [代码] 为数字增加 stndrd 等

   1. <span><span class="keyword">function</span><span> make_ranked(</span><span class="vars">$rank</span><span>) {  </span></span>

   2. $last = substr( $rank, -1 );
   3. $seclast = substr( $rank, -2, -1 );
   4. if( $last > 3 || $last == 0 ) $ext = 'th';  
   5.     else if( $last == 3 ) $ext = 'rd';  
   6.     else if( $last == 2 ) $ext = 'nd';  
   7.     else $ext = 'st';   
   8.  
   9.     if( $last == 1 && $seclast == 1) $ext = 'th';  
   10.     if( $last == 2 && $seclast == 1) $ext = 'th';  
   11.     if( $last == 3 && $seclast == 1) $ext = 'th';   
   12.  
   13.     return $rank.$ext;  
   14. } 

    

    href=
   
   http://www.bkjia.com/PHPjc/445722.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/445722.htmlTechArticle[代码] 关键词高亮 function highlight( $sString , $aWords ){ if (! is_array ( $aWords )|| empty empty ( $aWords )||! is_string ( $sString )){ return false; } $sWords =implode...