<?php //写cookiesetcookie("user", "wang70937", time()+60);//sessionsession_start();if(isset($_SESSION['views'])) $_SESSION['views']=$_SESSION['views']+1;else $_SESSION['views']=1;echo "Session: Views=". $_SESSION['views']."<br />";?><script > function Show(){ alert("asdf"); }</script><html> <title>php测试页面 </title> <head><script src="clienthint.js"></script></head> <body> <?php //输出 echo "<br />"."[******输出******]"."<br />"; echo "Hello World!"."<br />"; $a = "Php"; $b = "Language"; echo $a." ".$b."<br />"; //数组 echo "<br />"."[******数组******]"."<br />"; $arr = array("abcde", "fghijk", "lmnopq"); foreach($arr as $value) { echo $value."<br />"; } //函数 echo "<br />"."[******函数******]"."<br />"; function FunA($A, $B){ echo "函数参数：".$A.", ".$B; return "ret_value"; } $ret = FunA(123, "param"); echo "函数返回值：".$ret."<br />"; echo "<br />"."[******表单******]"."<br />"; ?> <form action="form.php" method="post"> Name: <input type="text" name="name" /> Age: <input type="text" name="age" /> <input type="submit" /> </form> <?php echo "<br />"; echo "<br />"."[******上传文件******]"."<br />"; ?> <form action="upload_file.php" method="post" enctype="multipart/form-data"> <label for="file">Filename:</label> <input type="file" name="file" id="file" /> <br /> <input type="submit" name="submit" value="Submit" /> </form> <?php //session echo "<br />"."[******session******]"."<br />"; //retrieve session data echo "Pageviews=". $_SESSION['views']; ?> <br /> <!-- //删除session --> <?php //echo "<br />"."[******删除session******]"."<br />"; // session_destroy(); ?> <?php //发送邮件 echo "<br />"."[******发送邮件******]"."<br />"; $to = "wang70937@163.com"; $subject = "Test mail"; $message = "Hello! This is a simple email message."; $from = "wang70937@gmail.com"; $headers = "From: $from"; mail($to,$subject,$message,$headers); echo "Mail Sent."."<br />"; ?> <?php //mysql数据库 echo "<br />"."[******mysql数据库******]"."<br />"; $con = mysql_connect("localhost","root","1"); if (!$con) { die('Could not connect: ' . mysql_error()); } else echo "连接Mysql成功!"."<br />"; mysql_select_db("bbs", $con); mysql_query("set names GBK"); //show tables $TableCount = mysql_query("show tables"); while($Table = mysql_fetch_array($TableCount)) { //表名 $TableName = $Table[0]; $sql = "select * from ".$TableName; $result = mysql_query($sql); echo "<br />表：[".$TableName."]<br />"; //表的字段个数 $FiledCount = mysql_num_fields($result); //记录条数 $RecordCount = mysql_num_rows($result); echo "sql[".$sql."] 记录条数：".$RecordCount."<br />"; if($FiledCount > 0 ) { echo "<table border='1'>; <tr> <th>记录序号</th>"; for($index=0; $index<$FiledCount; $index++) { //字段名 $FiledName = mysql_fetch_field($result); echo "<th>$FiledName->name</th>"; } echo "</tr>"; $No = 0; while($row = mysql_fetch_array($result)) { $No = $No + 1; echo "<tr>"; echo "<td>" . $No . "</td>"; for($index=0; $index<$FiledCount; $index++) { echo "<td>" . $row[$index] . "</td>"; } echo "</tr>"; } echo "</table>"; } } mysql_close($con); ?> <?php //xml解析 echo "<br />"."********xml解析********"."<br />"; /*$xmlDoc = new DOMDocument(); $xmlDoc->load("note.xml"); $x = $xmlDoc->documentElement; foreach ($x->childNodes AS $item) { print $item->nodeName . " = " . $item->nodeValue . "<br />"; }*/ $xml = simplexml_load_file("note.xml"); echo $xml->getName() . "<br />"; foreach($xml->children() as $child) { echo $child->getName() . ": " . $child . "<br />"; } ?> <?php //ajax echo "<br />"."*******ajax*******"."<br />"; ?> <form> First Name: <input type="text" id="txt1" //onkeyup="showHint(this.value)" onkeyup="Show()"> </form> <p>Suggestions: <span id="txtHint"></span></p> </body> </html>
<p class="sycode"> 1 <? php 2 // 写cookie 3 setcookie ( " user " , " wang70937 " , time () + 60 ); 4 // session 5 session_start (); 6 7 if ( isset ( $_SESSION [ ' views ' ])) 8 $_SESSION [ ' views ' ] = $_SESSION [ ' views ' ] + 1 ; 9 10 else 11 $_SESSION [ ' views ' ] = 1 ; 12 echo " Session: Views= " . $_SESSION [ ' views ' ] . " <br /> " ; 13 ?> 14 15 < script > 16 function Show(){ 17 alert( " asdf " ); 18 } 19 </ script > 20 21 < html > 22 < title > php测试页面 </ title > 23 < head >< script src = " clienthint.js " ></ script ></ head > 24 < body > 25 <? php 26 // 输出 27 echo " <br /> " . " [******输出******] " . " <br /> " ; 28 echo " Hello World! " . " <br /> " ; 29 $a = " Php " ; 30 $b = " Language " ; 31 echo $a . " " . $b . " <br /> " ; 32 33 // 数组 34 echo " <br /> " . " [******数组******] " . " <br /> " ; 35 $arr = array ( " abcde " , " fghijk " , " lmnopq " ); 36 foreach ( $arr as $value ) 37 { 38 echo $value . " <br /> " ; 39 } 40 41 // 函数 42 echo " <br /> " . " [******函数******] " . " <br /> " ; 43 function FunA( $A , $B ){ 44 echo " 函数参数： " . $A . " , " . $B ; 45 return " ret_value " ; 46 } 47 $ret = FunA( 123 , " param " ); 48 echo " 函数返回值： " . $ret . " <br /> " ; 49 50 51 echo " <br /> " . " [******表单******] " . " <br /> " ; 52 ?> 53 < form action = " form.php " method = " post " > 54 Name : < input type = " text " name = " name " /> 55 Age : < input type = " text " name = " age " /> 56 < input type = " submit " /> 57 </ form > 58 59 <? php echo " <br /> " ; 60 61 echo " <br /> " . " [******上传文件******] " . " <br /> " ; 62 ?> 63 < form action = " upload_file.php " method = " post " 64 enctype = " multipart/form-data " > 65 < label for = " file " > Filename :</ label > 66 < input type = " file " name = " file " id = " file " /> 67 < br /> 68 < input type = " submit " name = " submit " value = " Submit " /> 69 </ form > 70 71 <? php 72 // session 73 echo " <br /> " . " [******session******] " . " <br /> " ; 74 75 // retrieve session data 76 echo " Pageviews= " . $_SESSION [ ' views ' ]; 77 ?> 78 < br /> 79 80 <!-- // 删除session --> 81 <? php 82 // echo "<br />"."[******删除session******]"."<br />"; 83 // session_destroy(); 84 ?> 85 86 <? php 87 // 发送邮件 88 echo " <br /> " . " [******发送邮件******] " . " <br /> " ; 89 90 $to = " wang70937@163.com " ; 91 $subject = " Test mail " ; 92 $message = " Hello! This is a simple email message. " ; 93 $from = " wang70937@gmail.com " ; 94 $headers = " From: $from " ; 95 mail ( $to , $subject , $message , $headers ); 96 echo " Mail Sent. " . " <br /> " ; 97 ?> 98 99 <? php 100 // mysql数据库 101 echo " <br /> " . " [******mysql数据库******] " . " <br /> " ; 102 $con = mysql_connect ( " localhost " , " root " , " 1 " ); 103 if ( ! $con ) 104 { 105 die ( ' Could not connect: ' . mysql_error ()); 106 } 107 else 108 echo " 连接Mysql成功! " . " <br /> " ; 109 mysql_select_db ( " bbs " , $con ); 110 mysql_query ( " set names GBK " ); 111 // show tables 112 $TableCount = mysql_query ( " show tables " ); 113 while ( $Table = mysql_fetch_array ( $TableCount )) 114 { 115 // 表名 116 $TableName = $Table [ 0 ]; 117 $sql = " select * from " . $TableName ; 118 $result = mysql_query ( $sql ); 119 120 echo " <br />表：[ " . $TableName . " ]<br /> " ; 121 // 表的字段个数 122 $FiledCount = mysql_num_fields ( $result ); 123 // 记录条数 124 $RecordCount = mysql_num_rows ( $result ); 125 126 echo " sql[ " . $sql . " ] 记录条数： " . $RecordCount . " <br /> " ; 127 128 if ( $FiledCount > 0 ) 129 { 130 echo " <table border='1'>; 131 <tr> 132 <th>记录序号</th> " ; 133 for ( $index = 0 ; $index < $FiledCount ; $index ++ ) 134 { 135 // 字段名 136 $FiledName = mysql_fetch_field ( $result ); 137 echo " <th> $FiledName ->name</th> " ; 138 } 139 echo " </tr> " ; 140 $No = 0 ; 141 while ( $row = mysql_fetch_array ( $result )) 142 { 143 $No = $No + 1 ; 144 echo " <tr> " ; 145 echo " <td> " . $No . " </td> " ; 146 for ( $index = 0 ; $index < $FiledCount ; $index ++ ) 147 { 148 echo " <td> " . $row [ $index ] . " </td> " ; 149 } 150 echo " </tr> " ; 151 } 152 echo " </table> " ; 153 154 } 155 } 156 157 158 159 160 mysql_close ( $con ); 161 ?> 162 163 <? php 164 // xml解析 165 echo " <br /> " . " ********xml解析******** " . " <br /> " ; 166 167 /* $xmlDoc = new DOMDocument(); 168 $xmlDoc->load("note.xml"); 169 170 $x = $xmlDoc->documentElement; 171 foreach ($x->childNodes AS $item) 172 { 173 print $item->nodeName . " = " . $item->nodeValue . "<br />"; 174 } */ 175 $xml = simplexml_load_file ( " note.xml " ); 176 177 echo $xml -> getName() . " <br /> " ; 178 179 foreach ( $xml -> children() as $child ) 180 { 181 echo $child -> getName() . " : " . $child . " <br /> " ; 182 } 183 ?> 184 185 <? php 186 // ajax 187 echo " <br /> " . " *******ajax******* " . " <br /> " ; 188 ?> 189 < form > 190 First Name : 191 < input type = " text " id = " txt1 " 192 // onkeyup="showHint(this.value)" 193 onkeyup = " Show() " > 194 </ form > 195 196 < p > Suggestions : < span id = " txtHint " ></ span ></ p > 197 198 199 </ body > 200 201 </ html > </p> 
The Continued Use of PHP: Reasons for Its EnduranceApr 19, 2025 am 12:23 AMWhat’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.
PHP and Python: Exploring Their Similarities and DifferencesApr 19, 2025 am 12:21 AMPHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.
PHP and Python: Different Paradigms ExplainedApr 18, 2025 am 12:26 AMPHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.
PHP and Python: A Deep Dive into Their HistoryApr 18, 2025 am 12:25 AMPHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.
Choosing Between PHP and Python: A GuideApr 18, 2025 am 12:24 AMPHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.
PHP and Frameworks: Modernizing the LanguageApr 18, 2025 am 12:14 AMPHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.
PHP's Impact: Web Development and BeyondApr 18, 2025 am 12:10 AMPHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip
How does PHP type hinting work, including scalar types, return types, union types, and nullable types?Apr 17, 2025 am 12:25 AMPHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.
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DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
