本类实现参考 php manual 评论
/** * function: 解压zip 格式的文件 * author:friker * date:2015-15-14 * reference:http://php.net/manual/zh/ref.zip.php * all rights reserved:wujiangwei123@126.com */class Unzip{ public function __construct(){ //init code here... header("content-type:text/html;charset=utf8"); } /** * 解压文件到指定目录 * * @param string zip压缩文件的路径 * @param string 解压文件的目的路径 * @param boolean 是否以压缩文件的名字创建目标文件夹 * @param boolean 是否重写已经存在的文件 * * @return boolean 返回成功 或失败 */ public function unzip($src_file, $dest_dir=false, $create_zip_name_dir=true, $overwrite=true){ if ($zip = zip_open($src_file)){ if ($zip){ $splitter = ($create_zip_name_dir === true) ? "." : "/"; if($dest_dir === false){ $dest_dir = substr($src_file, 0, strrpos($src_file, $splitter))."/"; } // 如果不存在 创建目标解压目录 $this->create_dirs($dest_dir); // 对每个文件进行解压 while ($zip_entry = zip_read($zip)){ // 文件不在根目录 $pos_last_slash = strrpos(zip_entry_name($zip_entry), "/"); if ($pos_last_slash !== false){ // 创建目录 在末尾带 / $this->create_dirs($dest_dir.substr(zip_entry_name($zip_entry), 0, $pos_last_slash+1)); } // 打开包 if (zip_entry_open($zip,$zip_entry,"r")){ // 文件名保存在磁盘上 $file_name = $dest_dir.zip_entry_name($zip_entry); // 检查文件是否需要重写 if ($overwrite === true || $overwrite === false && !is_file($file_name)){ // 读取压缩文件的内容 $fstream = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry)); @file_put_contents($file_name, $fstream); // 设置权限 chmod($file_name, 0777); echo "save: ".$file_name."<br>"; } // 关闭入口 zip_entry_close($zip_entry); } } // 关闭压缩包 zip_close($zip); } }else{ return false; } return true; } /** * 创建目录 */ public function create_dirs($path){ if (!is_dir($path)){ $directory_path = ""; $directories = explode("/",$path); array_pop($directories); foreach($directories as $directory){ $directory_path .= $directory."/"; if (!is_dir($directory_path)){ mkdir($directory_path); chmod($directory_path, 0777); } } } }}/* using: $z = new Unzip(); $z->unzip("./bootstrap-3.3.4.zip",'./unzipres/', true, false);*/

PHPisusedforsendingemailsduetoitsintegrationwithservermailservicesandexternalSMTPproviders,automatingnotificationsandmarketingcampaigns.1)SetupyourPHPenvironmentwithawebserverandPHP,ensuringthemailfunctionisenabled.2)UseabasicscriptwithPHP'smailfunct

The best way to send emails is to use the PHPMailer library. 1) Using the mail() function is simple but unreliable, which may cause emails to enter spam or cannot be delivered. 2) PHPMailer provides better control and reliability, and supports HTML mail, attachments and SMTP authentication. 3) Make sure SMTP settings are configured correctly and encryption (such as STARTTLS or SSL/TLS) is used to enhance security. 4) For large amounts of emails, consider using a mail queue system to optimize performance.

CustomheadersandadvancedfeaturesinPHPemailenhancefunctionalityandreliability.1)Customheadersaddmetadatafortrackingandcategorization.2)HTMLemailsallowformattingandinteractivity.3)AttachmentscanbesentusinglibrarieslikePHPMailer.4)SMTPauthenticationimpr

Sending mail using PHP and SMTP can be achieved through the PHPMailer library. 1) Install and configure PHPMailer, 2) Set SMTP server details, 3) Define the email content, 4) Send emails and handle errors. Use this method to ensure the reliability and security of emails.

ThebestapproachforsendingemailsinPHPisusingthePHPMailerlibraryduetoitsreliability,featurerichness,andeaseofuse.PHPMailersupportsSMTP,providesdetailederrorhandling,allowssendingHTMLandplaintextemails,supportsattachments,andenhancessecurity.Foroptimalu

The reason for using Dependency Injection (DI) is that it promotes loose coupling, testability, and maintainability of the code. 1) Use constructor to inject dependencies, 2) Avoid using service locators, 3) Use dependency injection containers to manage dependencies, 4) Improve testability through injecting dependencies, 5) Avoid over-injection dependencies, 6) Consider the impact of DI on performance.

PHPperformancetuningiscrucialbecauseitenhancesspeedandefficiency,whicharevitalforwebapplications.1)CachingwithAPCureducesdatabaseloadandimprovesresponsetimes.2)Optimizingdatabasequeriesbyselectingnecessarycolumnsandusingindexingspeedsupdataretrieval.

ThebestpracticesforsendingemailssecurelyinPHPinclude:1)UsingsecureconfigurationswithSMTPandSTARTTLSencryption,2)Validatingandsanitizinginputstopreventinjectionattacks,3)EncryptingsensitivedatawithinemailsusingOpenSSL,4)Properlyhandlingemailheaderstoa


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