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  • Courses in the relevant section：PHP function basic syntax custom function

    <?php echo '<table width="800" border="1">'; function table($color,$color1="red",$row=10,$cell=10){ for($i=0;$i<$row;$i++){ if($i%2==0){ echo "<tr bgcolor='$color1'/>"; }else{ echo "<tr bgcolor='$color' />"; } for($j=0;$j<$cell;$j++){ echo '<td>'.($i.$j).'</td>'; } } return "</table>"; } table(blue); ?>

    2018-12-041個(gè)贊

  • Courses in the relevant section：php ?foreach traverses associative arrays

    $arr[財(cái)務(wù)部][4]=['石某','60','老人']; unset($arr[宣傳部][2]); $arr[教學(xué)部][0][2]='女'; foreach($arr as $key=>$value){ echo $key.'<br/>'; foreach($value as $k=>$v){ foreach($v as $a=>$b){ echo $b; } echo '<br/>'; } echo '------分割線------'.'<br/>'; } echo '</table>';

    2018-12-050個(gè)贊

  • Courses in the relevant section：PHP list, each function traverses the array

    while(list($key,$value)=each($arr)){ echo '<h2 style="text-align:center">'.$key.'</h2>'; echo '<table style="text-align:center" width="100%" border="2">'; while(list($k,$v)=each($value)){ echo '<tr>'; while(list($a,$b)=each($v)){ echo '<td>'.$b.'</td>'; } echo '</tr>'; } echo '</table>'; }

    2018-12-050個(gè)贊

  • Courses in the relevant section：Tips and commonly used regular expressions for writing regular expressions in PHP

    <?php //郵箱匹配 $pattern='/\w+@\w+.{1,}/'; $string='khuufvdrt57756@php.com'; if(preg_match($pattern,$string,$match)){ echo '您輸入的郵箱為：'; foreach($match as $value){ echo $value; } }else{ echo '您輸入的郵箱有誤'; } ?>

    <?php //手機(jī)號(hào)匹配 $pattern='/\d+/'; $string='12345678901'; //$a=strlen($string); if(strlen($string)==11){ if(preg_match($pattern,$string,$match)){ echo '您輸入的手機(jī)號(hào)為：'; foreach($match as $value){ echo $value; } } }else{ echo '您輸入的手機(jī)號(hào)有誤'; } ?>

    <?php //網(wǎng)址匹配 $pattern='/\w+.{1,}/'; $string='http://ipnx.cn/code/1162.html'; //$a=strlen($string); if(preg_match($pattern,$string,$match)){ echo '您輸入的網(wǎng)址為：'; foreach($match as $value){ echo $value; } }else{ echo '您輸入的網(wǎng)址有誤'; } ?>

    2018-12-050個(gè)贊

  • Courses in the relevant section：PHP operates the database through steps to register a user

    php操作數(shù)據(jù)庫(kù)之通過(guò)步驟做一個(gè)用戶注冊(cè) <?php //通過(guò)trim函數(shù)將字符串前后兩端多余字符除去，判斷兩次密碼輸入是否一致 if(trim($_POST['password'])!=trim($_POST['repassword'])){ echo '兩次密碼輸入不一致，請(qǐng)重新注冊(cè)'; } //獲取用戶數(shù)據(jù) $username=trim($_POST['username']); $password=trim($_POST['password']); //獲取注冊(cè)時(shí)間，為unix時(shí)間戳 $time=time(); // 獲取用戶注冊(cè)ip $ip=$_SERVER['REMOTE_ADDR']; // 用mysqli_connect連接數(shù)據(jù)庫(kù) // mysqli_connect('數(shù)據(jù)庫(kù)主機(jī) localhost' , '數(shù)據(jù)庫(kù)服務(wù)器登錄名' , '數(shù)據(jù)庫(kù)服務(wù)器登錄密碼' ，'數(shù)據(jù)庫(kù)的名稱' ， '數(shù)據(jù)庫(kù)服務(wù)器端口不填默認(rèn)3306'); $con=mysqli_connect('localhost','root','root','php'); // 如果有錯(cuò)誤，使用mysqli_errno得到錯(cuò)誤號(hào) // 如何時(shí)存在錯(cuò)誤mysqli_error打印出所有的錯(cuò)誤，并且退出程序執(zhí)行 if(mysqli_errno($con)){ echo 'Could not connect'.mysqli_error($con); exit; } //設(shè)置字符集 mysqli_set_charset($con,'utf8'); //選擇數(shù)據(jù)庫(kù) mysqli_select_db($con,'php'); // 準(zhǔn)備sql語(yǔ)句，組合sql語(yǔ)句 $sql="insert into user(username,password,createtime,createip)values('$username','$password','$time','$ip')"; // 發(fā)送sql語(yǔ)句，將sql語(yǔ)句發(fā)送至MySQL服務(wù)器 $result=mysqli_query($con,$sql); // 判斷發(fā)送sql語(yǔ)句是否成功，成功返回true if($result){ echo '注冊(cè)成功'.'<br/>'; }else{ echo '注冊(cè)失敗'.'<br/>'; } echo '當(dāng)前注冊(cè)ID為：'.mysqli_insert_id($con); // 關(guān)閉數(shù)據(jù)庫(kù) mysqli_close($con); ?>

    2018-12-130個(gè)贊

  • Courses in the relevant section：PHP flow control for loop control statement

    <?php //雙循環(huán)結(jié)構(gòu) echo '<table width="800" border="1">'; for($i=0;$i<10;$i++){ for($j=$i*10;$j<10*($i+1);$j++){ echo '<td>'.$j.'</td>'; } if($i%2==0){ echo '<tr bgcolor="pink" />'; }else{ echo '</tr>'; } } echo '</table>'; ?>

    <?php //單循環(huán)結(jié)構(gòu) echo '<table width="800" border="1">'; for($i=0;$i<100;$i++){ if($i%10==0){ if($i%20==0){ echo '</tr>'; }else{ echo '<tr bgcolor="pink"/>'; } } echo '<td>'.$i.'</td>'; } if($i%10==0){ echo '</tr>'; } echo '</table>'; ?>

    2018-12-040個(gè)贊

  • Courses in the relevant section：while loop

    <?php echo '<table width="800" border="1">'; $i=0; while($i<10){ $j=10*$i; while($j<10*($i+1)){ echo '<td>'.$j.'</td>'; $j++; } if($i%2==0){ echo '<tr bgcolor="blue" />'; }else{ echo '</tr>'; } $i++; } echo '</table>'; ?>

    2018-12-040個(gè)贊