完整代码演示PHP上传多个文件_PHP教程
前几天看了一本关于PHP的书,让我感触很深,我先介绍一下PHP的发展史,然后在教大家一个PHP上传多个文件的一个小技巧。让我们先来简单的介绍一下PHP吧!PHP 最初是1994年Rasmus Lerdorf创建的,刚刚开始只是一个简单的用Perl语言编写的程序,用来统计他自己网站的访问者。后来又用C语言重新编写,包括可以访问数据库。
PHP上传多个文件代码实现:
<ol class="dp-xml"> <li class="alt"><span><strong><font color="#006699"><span class="tag"></span><span class="tag-name">php</span></font></strong><span> </span></span></li> <li class=""><span>require_once("include/upload.class.php"); </span></li> <li class="alt"><span>if($_POST["button"]) </span></li> <li class=""><span>{ </span></li> <li class="alt"><span>//print_r($_FILES); </span></li> <li class=""><span>//多个上传 </span></li> <li class="alt"> <span>//$</span><span class="attribute"><font color="#ff0000">upload</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">newTTRUpload</font></span><span>($_FILES,"ANY");//同下 </span> </li> <li class=""><span> </span></li> <li class="alt"> <span>$</span><span class="attribute"><font color="#ff0000">upload</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">newTTRUpload</font></span><span>(array($_FILES["file1"],$_FILES["file2"],$_FILES["file3"],$_FILES["file4"]),"ANY"); </span> </li> <li class=""><span> </span></li> <li class="alt"><span>//单个上传 </span></li> <li class=""> <span>//$</span><span class="attribute"><font color="#ff0000">upload</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">newTTRUpload</font></span><span>($_FILES["file1"]); </span> </li> <li class="alt"> <span>$upload-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>upload(); </span> </li> <li class=""> <span>echo$upload-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>getUploadFileName(); </span> </li> <li class="alt"><span>} </span></li> <li class=""> <span></span><span class="tag"><strong><font color="#006699">?></font></strong></span><span> </span> </li> <li class="alt"> <span>-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"</span><span class="tag"><strong><font color="#006699">></font></strong></span><span> </span> </li> <li class=""> <span></span><span class="tag"><strong><font color="#006699"></font></strong></span><span class="attribute"><font color="#ff0000">htmlxmlns</font></span><span class="tag-name"><strong><font color="#006699">htmlxmlns</font></strong></span><span>=</span><span class="attribute-value"><font color="#0000ff">"http://www.w3.org/1999/xhtml"</font></span><span class="tag"><strong><font color="#006699">></font></strong></span><span> </span> </li> <li class="alt"> <span></span><strong><font color="#006699"><span class="tag"><span class="tag-name">head</span><span class="tag">></span></span></font></strong><span> </span> </li> <li class=""> <span></span><span class="tag"><strong><font color="#006699"></font></strong></span><span class="attribute"><font color="#ff0000">metahttp-equiv</font></span><span class="tag-name"><strong><font color="#006699">metahttp-equiv</font></strong></span><span>="Content-Type"</span><span class="attribute-value"><font color="#0000ff">content</font></span><span>="text/html;</span><span class="attribute"><font color="#ff0000">charset</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">utf</font></span><span>-8"</span><span class="tag"><strong><font color="#006699">/></font></strong></span><span> </span> </li> <li class="alt"> <span></span><strong><font color="#006699"><span class="tag"><span class="tag-name">title</span><span class="tag">></span></span></font></strong><span>UntitledDocument</span><strong><font color="#006699"><span class="tag"></span><span class="tag-name">title</span><span class="tag">></span></font></strong><span> </span> </li> <li class=""> <span></span><strong><font color="#006699"><span class="tag"></span><span class="tag-name">head</span><span class="tag">></span></font></strong><span> </span> </li> <li class="alt"><span> </span></li> <li class=""> <span></span><strong><font color="#006699"><span class="tag"><span class="tag-name">body</span><span class="tag">></span></span></font></strong><span> </span> </li> <li class="alt"> <span></span><span class="tag"><strong><font color="#006699"></font></strong></span><span class="attribute"><font color="#ff0000">formaction</font></span><span class="tag-name"><strong><font color="#006699">formaction</font></strong></span><span>=""</span><span class="attribute-value"><font color="#0000ff">method</font></span><span>="post"</span><span class="attribute"><font color="#ff0000">enctype</font></span><span>="multipart/form-data"</span><span class="attribute-value"><font color="#0000ff">name</font></span><span>="form1"</span><span class="attribute"><font color="#ff0000">id</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">"form1"</font></span><span class="tag"><strong><font color="#006699">></font></strong></span><span> </span> </li> <li class=""> <span></span><span class="tag"><strong><font color="#006699"></font></strong></span><span class="attribute"><font color="#ff0000">inputtype</font></span><span class="tag-name"><strong><font color="#006699">inputtype</font></strong></span><span>="file"</span><span class="attribute-value"><font color="#0000ff">name</font></span><span>="file1"</span><span class="attribute"><font color="#ff0000">id</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">"file1"</font></span><span class="tag"><strong><font color="#006699">/></font></strong></span><span> </span> </li> <li class="alt"> <span></span><strong><font color="#006699"><span class="tag"><span class="tag-name">br</span><span class="tag">/></span></span></font></strong><span> </span> </li> <li class=""> <span></span><span class="tag"><strong><font color="#006699"></font></strong></span><span class="attribute"><font color="#ff0000">inputtype</font></span><span class="tag-name"><strong><font color="#006699">inputtype</font></strong></span><span>="file"</span><span class="attribute-value"><font color="#0000ff">name</font></span><span>="file2"</span><span class="attribute"><font color="#ff0000">id</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">"file2"</font></span><span class="tag"><strong><font color="#006699">/></font></strong></span><span> </span> </li> <li class="alt"> <span></span><strong><font color="#006699"><span class="tag"><span class="tag-name">br</span><span class="tag">/></span></span></font></strong><span> </span> </li> <li class=""> <span></span><span class="tag"><strong><font color="#006699"></font></strong></span><span class="attribute"><font color="#ff0000">inputtype</font></span><span class="tag-name"><strong><font color="#006699">inputtype</font></strong></span><span>="file"</span><span class="attribute-value"><font color="#0000ff">name</font></span><span>="file3"</span><span class="attribute"><font color="#ff0000">id</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">"file3"</font></span><span class="tag"><strong><font color="#006699">/></font></strong></span><span> </span> </li> <li class="alt"> <span></span><strong><font color="#006699"><span class="tag"><span class="tag-name">br</span><span class="tag">/></span></span></font></strong><span> </span> </li> <li class=""> <span></span><span class="tag"><strong><font color="#006699"></font></strong></span><span class="attribute"><font color="#ff0000">inputtype</font></span><span class="tag-name"><strong><font color="#006699">inputtype</font></strong></span><span>="file"</span><span class="attribute-value"><font color="#0000ff">name</font></span><span>="file4"</span><span class="attribute"><font color="#ff0000">id</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">"file4"</font></span><span class="tag"><strong><font color="#006699">/></font></strong></span><span> </span> </li> <li class="alt"> <span></span><strong><font color="#006699"><span class="tag"><span class="tag-name">br</span><span class="tag">/></span></span></font></strong><span> </span> </li> <li class=""> <span></span><span class="tag"><strong><font color="#006699"></font></strong></span><span class="attribute"><font color="#ff0000">inputtype</font></span><span class="tag-name"><strong><font color="#006699">inputtype</font></strong></span><span>="submit"</span><span class="attribute-value"><font color="#0000ff">name</font></span><span>="button"</span><span class="attribute"><font color="#ff0000">id</font></span><span>="button"</span><span class="attribute-value"><font color="#0000ff">value</font></span><span>="Submit"</span><span class="tag"><strong><font color="#006699">/></font></strong></span><span> </span> </li> <li class="alt"> <span></span><strong><font color="#006699"><span class="tag"></span><span class="tag-name">form</span><span class="tag">></span></font></strong><span> </span> </li> <li class=""> <span></span><strong><font color="#006699"><span class="tag"></span><span class="tag-name">body</span><span class="tag">></span></font></strong><span> </span> </li> <li class="alt"> <span></span><strong><font color="#006699"><span class="tag"></span><span class="tag-name">html</span><span class="tag">></span></font></strong><span> </span> </li> <li class=""><span> </span></li> <li class="alt"> <span></span><strong><font color="#006699"><span class="tag"></span><span class="tag-name">php</span></font></strong><span> </span> </li> <li class=""><span>classTTRUploadextendsError </span></li> <li class="alt"><span>{ </span></li> <li class=""> <span></span><span class="attribute"><font color="#ff0000">constfilesize</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">81200000</font></span><span>; </span> </li> <li class="alt"> <span>private$</span><span class="attribute"><font color="#ff0000">uploadpath</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">"uploadfile/"</font></span><span>; </span> </li> <li class=""> <span>private$</span><span class="attribute"><font color="#ff0000">savepath</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">null</font></span><span>; </span> </li> <li class="alt"> <span>private$</span><span class="attribute"><font color="#ff0000">uploadfilename</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">null</font></span><span>;//单个文件为文件名,批量文件为xxxx|xxxx格式,请注意 </span> </li> <li class=""> <span>private$</span><span class="attribute"><font color="#ff0000">ext</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">array</font></span><span>("jpg","gif","png"); </span> </li> <li class="alt"> <span>private$</span><span class="attribute"><font color="#ff0000">error</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">null</font></span><span>; </span> </li> <li class=""> <span>private$</span><span class="attribute"><font color="#ff0000">file</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">null</font></span><span>; </span> </li> <li class="alt"> <span>private$</span><span class="attribute"><font color="#ff0000">uploadtype</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">null</font></span><span>; </span> </li> <li class=""> <span>private$</span><span class="attribute"><font color="#ff0000">filename</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">null</font></span><span>; </span> </li> <li class="alt"><span> </span></li> <li class=""><span>//构造函数,$type:ONE单个上传ANY批量上传; </span></li> <li class="alt"> <span>publicfunction__construct($file,$</span><span class="attribute"><font color="#ff0000">type</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">"ONE"</font></span><span>) </span> </li> <li class=""><span>{ </span></li> <li class="alt"><span>if($type!="ONE"&&$type!="ANY") </span></li> <li class=""><span>{ </span></li> <li class="alt"> <span>echo"</span><span class="tag"><strong><font color="#006699"></font></strong></span><span class="attribute"><font color="#ff0000">scriptlanguage</font></span><span class="tag-name"><strong><font color="#006699">scriptlanguage</font></strong></span><span>=</span><span class="attribute-value"><font color="#0000ff">'javascript'</font></span><span class="tag"><strong><font color="#006699">></font></strong></span><span>alert('初始化请选择ONE或者ANY')</span><strong><font color="#006699"><span class="tag"></span><span class="tag-name">script</span><span class="tag">></span></font></strong><span>"; </span> </li> <li class=""><span>exit; </span></li> <li class="alt"><span>} </span></li> <li class=""> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">uploadtype</font></span><span>=$type; </span> </li> <li class="alt"> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">file</font></span><span>=$file; </span> </li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span>privatefunctioncreateFileName() </span></li> <li class="alt"><span>{ </span></li> <li class=""> <span>return$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">filename</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">"TTR_"</font></span><span>.time().$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>getRandomN(4); </span> </li> <li class="alt"><span>} </span></li> <li class=""><span> </span></li> <li class="alt"><span>privatefunctiongetUploadPath() </span></li> <li class=""><span>{ </span></li> <li class="alt"> <span>if(substr($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>uploadpath,-1,1)!="/") </span> </li> <li class=""><span>{ </span></li> <li class="alt"> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">savepath</font></span><span>=$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>uploadpath."/".date("Ym"); </span> </li> <li class=""><span>}else{ </span></li> <li class="alt"> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">savepath</font></span><span>=$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>uploadpath.date("Ym"); </span> </li> <li class=""><span>} </span></li> <li class="alt"> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">savepath</font></span><span>=$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>getFolder($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>savepath); </span> </li> <li class=""><span>returntrue; </span></li> <li class="alt"><span>} </span></li> <li class=""><span> </span></li> <li class="alt"><span>privatefunctiongetFileExt($tempfilename) </span></li> <li class=""><span>{ </span></li> <li class="alt"><span>returnend(explode(".",$tempfilename)); </span></li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span>privatefunctiongetExt() </span></li> <li class="alt"><span>{ </span></li> <li class=""> <span>if(in_array(strtolower($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>getFileExt($tempfilename)),$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>ext)) </span> </li> <li class="alt"><span>{ </span></li> <li class=""><span>returntrue; </span></li> <li class="alt"><span>}else{ </span></li> <li class=""><span>returnfalse; </span></li> <li class="alt"><span>} </span></li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span>privatefunctiongetFolder($folder) </span></li> <li class="alt"><span>{ </span></li> <li class=""><span>if(!is_dir($folder)) </span></li> <li class="alt"><span>{ </span></li> <li class=""><span>mkdir($folder); </span></li> <li class="alt"><span>} </span></li> <li class=""><span>return$folder."/"; </span></li> <li class="alt"><span>} </span></li> <li class=""><span> </span></li> <li class="alt"><span> </span></li> <li class=""><span>publicfunctionupload() </span></li> <li class="alt"><span>{ </span></li> <li class=""> <span>if($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">uploadtype</font></span><span>=="ONE") </span> </li> <li class="alt"><span>{ </span></li> <li class=""><span> </span></li> <li class="alt"><span> </span></li> <li class=""> <span>if($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>getExt($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>file["type"])) </span> </li> <li class="alt"><span>{ </span></li> <li class=""><span> </span></li> <li class="alt"><span>parent::errorExt(); </span></li> <li class=""><span> </span></li> <li class="alt"> <span>}elseif($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>file["size"]</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>self::filesize){ </span> </li> <li class=""><span> </span></li> <li class="alt"><span>parent::errorFileSize(); </span></li> <li class=""><span> </span></li> <li class="alt"> <span>}elseif(!$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>getUploadPath()){ </span> </li> <li class=""><span> </span></li> <li class="alt"><span>parent::errorUploadPath(); </span></li> <li class=""><span> </span></li> <li class="alt"><span>}else{ </span></li> <li class=""> <span>$</span><span class="attribute"><font color="#ff0000">filenametemp</font></span><span>=$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>createFileName(); </span> </li> <li class="alt"> <span>$</span><span class="attribute"><font color="#ff0000">filename</font></span><span>=$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>savepath.$filenametemp.".".$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>getFileExt($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>file["name"]); </span> </li> <li class=""> <span>if(move_uploaded_file($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>file["tmp_name"],$filename)) </span> </li> <li class="alt"><span>{ </span></li> <li class=""> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">uploadfilename</font></span><span>=$filenametemp; </span> </li> <li class="alt"><span>parent::okMoved(); </span></li> <li class=""><span> </span></li> <li class="alt"><span> </span></li> <li class=""><span>}else{ </span></li> <li class="alt"><span>parent::errorMoveUpload(); </span></li> <li class=""><span>} </span></li> <li class="alt"><span>} </span></li> <li class=""> <span>}elseif($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">uploadtype</font></span><span>=="ANY"){ </span> </li> <li class="alt"><span> </span></li> <li class=""> <span>for($</span><span class="attribute"><font color="#ff0000">i</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">0</font></span><span>;$i</span><strong><font color="#006699"><span class="tag"><span class="tag-name">count</span></span></font></strong><span>($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>file);$i++) </span> </li> <li class="alt"><span>{ </span></li> <li class=""><span> </span></li> <li class="alt"> <span>if($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>getExt($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>file[$i]["type"])) </span> </li> <li class=""><span>{ </span></li> <li class="alt"><span>parent::errorExt(); </span></li> <li class=""><span> </span></li> <li class="alt"> <span>}elseif($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>file[$i]["size"]</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>self::filesize){ </span> </li> <li class=""><span> </span></li> <li class="alt"><span>parent::errorFileSize(); </span></li> <li class=""><span> </span></li> <li class="alt"> <span>}elseif(!$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>getUploadPath()){ </span> </li> <li class=""><span> </span></li> <li class="alt"><span>parent::errorUploadPath(); </span></li> <li class=""><span> </span></li> <li class="alt"><span>}else{ </span></li> <li class=""> <span>$</span><span class="attribute"><font color="#ff0000">filenametemp</font></span><span>=$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>createFileName(); </span> </li> <li class="alt"> <span>$</span><span class="attribute"><font color="#ff0000">filename</font></span><span>=$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>savepath.$filenametemp.".".$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>getFileExt($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>file[$i]["name"]); </span> </li> <li class=""> <span>if(move_uploaded_file($this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>file[$i]["tmp_name"],$filename)) </span> </li> <li class="alt"><span>{ </span></li> <li class=""> <span>$</span><span class="attribute"><font color="#ff0000">str.</font></span><span>=$filenametemp."|"; </span> </li> <li class="alt"><span> </span></li> <li class=""><span>}else{ </span></li> <li class="alt"><span>parent::errorMoveUpload(); </span></li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span>} </span></li> <li class="alt"> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">uploadfilename</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">substr</font></span><span>($str,0,strlen($str)-1); </span> </li> <li class=""><span>parent::okMoved(); </span></li> <li class="alt"><span>} </span></li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span>publicfunctiongetUploadFileName() </span></li> <li class="alt"><span>{ </span></li> <li class=""> <span>return$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>uploadfilename; </span> </li> <li class="alt"><span>} </span></li> <li class=""><span> </span></li> <li class="alt"><span>publicfunctionsetUploadPath($path) </span></li> <li class=""><span>{ </span></li> <li class="alt"> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">uploadpath</font></span><span>=$path; </span> </li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span> </span></li> <li class="alt"><span>privatefunctiongetRandomN($n) </span></li> <li class=""><span>{ </span></li> <li class="alt"> <span>if($n</span><strong><font color="#006699"><span class="tag"><span class="tag-name">1</span></span></font></strong><span>||$n</span><span class="tag"><strong><font color="#006699">></font></strong></span><span>10)return""; </span> </li> <li class=""><span> </span></li> <li class="alt"> <span>$</span><span class="attribute"><font color="#ff0000">ary_num</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">array</font></span><span>(0,1,2,3,4,5,6,7,8,9); </span> </li> <li class=""> <span>$</span><span class="attribute"><font color="#ff0000">return</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">""</font></span><span>; </span> </li> <li class="alt"> <span>for($</span><span class="attribute"><font color="#ff0000">i</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">0</font></span><span>;$i</span><span class="tag"><strong><font color="#006699"></font></strong></span><span>$n;$i++) </span> </li> <li class=""><span>{ </span></li> <li class="alt"> <span>$</span><span class="attribute-value"><font color="#0000ff">rand</font></span><span class="attribute"><font color="#ff0000">randn</font></span><span>=rand(0,9-$i); </span> </li> <li class=""> <span>$</span><span class="attribute"><font color="#ff0000">return.</font></span><span>=$ary_num[$randn]; </span> </li> <li class="alt"><span>$ary_num[$randn]=$ary_num[9-$i]; </span></li> <li class=""><span>} </span></li> <li class="alt"><span>return$return; </span></li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span> </span></li> <li class="alt"><span> </span></li> <li class=""><span>publicfunction__destruct() </span></li> <li class="alt"><span>{ </span></li> <li class=""> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">uploadfilename</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">null</font></span><span>; </span> </li> <li class="alt"> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">uploadtype</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">null</font></span><span>; </span> </li> <li class=""> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">file</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">null</font></span><span>; </span> </li> <li class="alt"> <span>$this-</span><span class="tag"><strong><font color="#006699">></font></strong></span><span class="attribute"><font color="#ff0000">savepath</font></span><span>=</span><span class="attribute-value"><font color="#0000ff">null</font></span><span>; </span> </li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span>classError </span></li> <li class="alt"><span>{ </span></li> <li class=""><span>publicstaticfunctionerrorFileSize() </span></li> <li class="alt"><span>{ </span></li> <li class=""><span>echo"超出最大上传限制"; </span></li> <li class="alt"><span>} </span></li> <li class=""><span> </span></li> <li class="alt"><span>publicstaticfunctionerrorExt() </span></li> <li class=""><span>{ </span></li> <li class="alt"><span>echo"此类文件不允许上传"; </span></li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span>publicstaticfunctionerrorUploadPath() </span></li> <li class="alt"><span>{ </span></li> <li class=""><span>echo"上传路径不正确"; </span></li> <li class="alt"><span>} </span></li> <li class=""><span> </span></li> <li class="alt"><span>publicstaticfunctionerrorMoveUpload() </span></li> <li class=""><span>{ </span></li> <li class="alt"><span>echo"上传失败"; </span></li> <li class=""><span>} </span></li> <li class="alt"><span> </span></li> <li class=""><span>publicstaticfunctionokMoved() </span></li> <li class="alt"><span>{ </span></li> <li class=""><span>echo"上传成功!"; </span></li> <li class="alt"><span>} </span></li> <li class=""><span> </span></li> <li class="alt"><span>publicstaticfunctionokArrayMoved() </span></li> <li class=""><span>{ </span></li> <li class="alt"><span>echo"上传成功!"; </span></li> <li class=""><span>} </span></li> </ol>

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이 튜토리얼은 PHP를 사용하여 XML 문서를 효율적으로 처리하는 방법을 보여줍니다. XML (Extensible Markup Language)은 인간의 가독성과 기계 구문 분석을 위해 설계된 다목적 텍스트 기반 마크 업 언어입니다. 일반적으로 데이터 저장 AN에 사용됩니다

JWT는 주로 신분증 인증 및 정보 교환을 위해 당사자간에 정보를 안전하게 전송하는 데 사용되는 JSON을 기반으로 한 개방형 표준입니다. 1. JWT는 헤더, 페이로드 및 서명의 세 부분으로 구성됩니다. 2. JWT의 작업 원칙에는 세 가지 단계가 포함됩니다. JWT 생성, JWT 확인 및 Parsing Payload. 3. PHP에서 인증에 JWT를 사용하면 JWT를 생성하고 확인할 수 있으며 사용자 역할 및 권한 정보가 고급 사용에 포함될 수 있습니다. 4. 일반적인 오류에는 서명 검증 실패, 토큰 만료 및 대형 페이로드가 포함됩니다. 디버깅 기술에는 디버깅 도구 및 로깅 사용이 포함됩니다. 5. 성능 최적화 및 모범 사례에는 적절한 시그니처 알고리즘 사용, 타당성 기간 설정 합리적,

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문자열은 문자, 숫자 및 기호를 포함하여 일련의 문자입니다. 이 튜토리얼은 다른 방법을 사용하여 PHP의 주어진 문자열의 모음 수를 계산하는 방법을 배웁니다. 영어의 모음은 A, E, I, O, U이며 대문자 또는 소문자 일 수 있습니다. 모음이란 무엇입니까? 모음은 특정 발음을 나타내는 알파벳 문자입니다. 대문자와 소문자를 포함하여 영어에는 5 개의 모음이 있습니다. a, e, i, o, u 예 1 입력 : String = "Tutorialspoint" 출력 : 6 설명하다 문자열의 "Tutorialspoint"의 모음은 u, o, i, a, o, i입니다. 총 6 개의 위안이 있습니다

PHP의 마법 방법은 무엇입니까? PHP의 마법 방법은 다음과 같습니다. 1. \ _ \ _ Construct, 객체를 초기화하는 데 사용됩니다. 2. \ _ \ _ 파괴, 자원을 정리하는 데 사용됩니다. 3. \ _ \ _ 호출, 존재하지 않는 메소드 호출을 처리하십시오. 4. \ _ \ _ get, 동적 속성 액세스를 구현하십시오. 5. \ _ \ _ Set, 동적 속성 설정을 구현하십시오. 이러한 방법은 특정 상황에서 자동으로 호출되어 코드 유연성과 효율성을 향상시킵니다.

PHP와 Python은 각각 고유 한 장점이 있으며 프로젝트 요구 사항에 따라 선택합니다. 1.PHP는 웹 개발, 특히 웹 사이트의 빠른 개발 및 유지 보수에 적합합니다. 2. Python은 간결한 구문을 가진 데이터 과학, 기계 학습 및 인공 지능에 적합하며 초보자에게 적합합니다.

PHP는 전자 상거래, 컨텐츠 관리 시스템 및 API 개발에 널리 사용됩니다. 1) 전자 상거래 : 쇼핑 카트 기능 및 지불 처리에 사용됩니다. 2) 컨텐츠 관리 시스템 : 동적 컨텐츠 생성 및 사용자 관리에 사용됩니다. 3) API 개발 : 편안한 API 개발 및 API 보안에 사용됩니다. 성능 최적화 및 모범 사례를 통해 PHP 애플리케이션의 효율성과 유지 보수 성이 향상됩니다.

PHP는 서버 측에서 널리 사용되는 스크립팅 언어이며 특히 웹 개발에 적합합니다. 1.PHP는 HTML을 포함하고 HTTP 요청 및 응답을 처리 할 수 있으며 다양한 데이터베이스를 지원할 수 있습니다. 2.PHP는 강력한 커뮤니티 지원 및 오픈 소스 리소스를 통해 동적 웹 컨텐츠, 프로세스 양식 데이터, 액세스 데이터베이스 등을 생성하는 데 사용됩니다. 3. PHP는 해석 된 언어이며, 실행 프로세스에는 어휘 분석, 문법 분석, 편집 및 실행이 포함됩니다. 4. PHP는 사용자 등록 시스템과 같은 고급 응용 프로그램을 위해 MySQL과 결합 할 수 있습니다. 5. PHP를 디버깅 할 때 error_reporting () 및 var_dump ()와 같은 함수를 사용할 수 있습니다. 6. 캐싱 메커니즘을 사용하여 PHP 코드를 최적화하고 데이터베이스 쿼리를 최적화하며 내장 기능을 사용하십시오. 7
