十个超级有用的PHP代码片断
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2024-02-15 23:18:40
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十个超级有用的PHP代码片段
1. 发送短信
调用 TextMagic
API。
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// Include the TextMagic PHP lib |
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require('textmagic-sms-api-php/TextMagicAPI.php'); |
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? |
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// Set the username and password information |
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$username= 'myusername'; |
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$password= 'mypassword'; |
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? |
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// Create a new instance of TM |
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$router= newTextMagicAPI(array( |
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????'username'=> $username, |
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????'password'=> $password |
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)); |
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? |
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// Send a text message to '999-123-4567' |
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$result= $router->send('Wake up!', array(9991234567), true); |
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? |
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// |
2. 根据IP查找地址
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functiondetect_city($ip) { |
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? |
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????????$default= 'UNKNOWN'; |
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? |
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????????if(!is_string($ip) || strlen($ip) < 1 || $ip== '127.0.0.1'|| $ip== 'localhost') |
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????????????$ip= '8.8.8.8'; |
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? |
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????????$curlopt_useragent= 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6 (.NET CLR 3.5.30729)'; |
09 |
? |
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????????$url= 'http://ipinfodb.com/ip_locator.php?ip='. urlencode($ip); |
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????????$ch= curl_init(); |
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? |
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????????$curl_opt= array( |
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????????????CURLOPT_FOLLOWLOCATION? => 1, |
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????????????CURLOPT_HEADER????? => 0, |
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????????????CURLOPT_RETURNTRANSFER? => 1, |
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????????????CURLOPT_USERAGENT?? => $curlopt_useragent, |
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????????????CURLOPT_URL?????? => $url, |
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????????????CURLOPT_TIMEOUT???????? => 1, |
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????????????CURLOPT_REFERER???????? => 'http://'. $_SERVER['HTTP_HOST'], |
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????????); |
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? |
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????????curl_setopt_array($ch, $curl_opt); |
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? |
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????????$content= curl_exec($ch); |
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? |
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????????if(!is_null($curl_info)) { |
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????????????$curl_info= curl_getinfo($ch); |
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????????} |
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? |
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????????curl_close($ch); |
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? |
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????????if( preg_match('{<li>City : ([^<]*)</li>}i', $content, $regs) )? { |
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????????????$city= $regs[1]; |
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????????} |
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????????if( preg_match('{<li>State/Province : ([^<]*)</li>}i', $content, $regs) )? { |
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????????????$state= $regs[1]; |
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????????} |
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? |
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????????if( $city!=''&& $state!=''){ |
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??????????$location= $city. ', '. $state; |
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??????????return$location; |
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????????}else{ |
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??????????return$default; |
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????????} |
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? |
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????} |
3. 显示网页的源代码
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<?php // display source code |
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$lines= file('http://google.com/'); |
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foreach($linesas$line_num=> $line) { |
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????// loop thru each line and prepend line numbers |
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????echo"Line #<b>{$line_num}</b> : ". htmlspecialchars($line) . "<br>\n"; |
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} |
4. 检查服务器是否使用HTTPS
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if($_SERVER['HTTPS'] != "on") { |
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????echo"This is not HTTPS"; |
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}else{ |
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????echo"This is HTTPS"; |
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} |
5. 显示Facebook fans数量
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functionfb_fan_count($facebook_name){ |
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????// Example: https://graph.facebook.com/digimantra |
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????$data= json_decode(file_get_contents("https://graph.facebook.com/".$facebook_name)); |
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????echo$data->likes; |
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} |
6. 检测图片的主要颜色
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$i= imagecreatefromjpeg("image.jpg"); |
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? |
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for($x=0;$x<imagesx($i);$x++) { |
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????for($y=0;$y<imagesy($i);$y++) { |
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????????$rgb= imagecolorat($i,$x,$y); |
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????????$r?? = ($rgb>> 16) & 0xFF; |
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????????$g?? = ($rgb>>? & 0xFF; |
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????????$b?? = $rgb& 0xFF; |
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? |
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????????$rTotal+= $r; |
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????????$gTotal+= $g; |
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????????$bTotal+= $b; |
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????????$total++; |
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????} |
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} |
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? |
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$rAverage= round($rTotal/$total); |
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$gAverage= round($gTotal/$total); |
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$bAverage= round($bTotal/$total); |
7. 获取内存使用信息
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echo"Initial: ".memory_get_usage()." bytes \n"; |
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/* prints |
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Initial: 361400 bytes |
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*/ |
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? |
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// let's use up some memory |
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for($i= 0; $i< 100000; $i++) { |
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????$array[]= md5($i); |
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} |
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? |
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// let's remove half of the array |
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for($i= 0; $i< 100000; $i++) { |
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????unset($array[$i]); |
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} |
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? |
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echo"Final: ".memory_get_usage()." bytes \n"; |
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/* prints |
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Final: 885912 bytes |
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*/ |
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? |
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echo"Peak: ".memory_get_peak_usage()." bytes \n"; |
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/* prints |
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Peak: 13687072 bytes |
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*/ |
8. 使用 gzcompress() 压缩数据
01 |
$string= |
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"Lorem ipsum dolor sit amet, consectetur |
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adipiscing elit. Nunc ut elit id mi ultricies |
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adipiscing. Nulla facilisi. Praesent pulvinar, |
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sapien vel feugiat vestibulum, nulla dui pretium orci, |
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non ultricies elit lacus quis ante. Lorem ipsum dolor |
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sit amet, consectetur adipiscing elit. Aliquam |
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pretium ullamcorper urna quis iaculis. Etiam ac massa |
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sed turpis tempor luctus. Curabitur sed nibh eu elit |
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mollis congue. Praesent ipsum diam, consectetur vitae |
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ornare a, aliquam a nunc. In id magna pellentesque |
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tellus posuere adipiscing. Sed non mi metus, at lacinia |
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augue. Sed magna nisi, ornare in mollis in, mollis |
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sed nunc. Etiam at justo in leo congue mollis. |
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