Correction status:Uncorrected
Teacher's comments:
<?php echo '<h3>For(), while(),foreach()的使用方法</h3><hr color="green">'; $teacher = ['id'=>001, 'name'=>'zhang', 'salary'=> 5000, 'course'=>'php']; for ($i=0; $i<count($teacher); $i++) { echo key($teacher),'=>',current($teacher),'<br>'; next($teacher); } echo '<hr color="red">'; reset($teacher); $i = 0; while ($i<count($teacher)) { echo key($teacher),'=>',current($teacher),'<br>'; next($teacher); $i++; } echo '<hr color="red">'; echo '<h4>人员信息</h4>'; echo '<ul>'; foreach ($teacher as $key => $value) { echo '<li>'.$key.':'.$value.'</li>'; } echo '</ul>'; echo '<hr color="red">'; echo '<table border="1" cellpadding="3" cellspacing="0" width="300">'; echo '<caption>讲师信息表</caption>'; echo '<tr bgcolor="lightskyblue"><th>ID</th><th>姓名</th><th>工资</th><th>课程</th></tr>'; echo '<tr>'; foreach ($teacher as $value) { echo '<td align="center">'.$value.'</td>'; } echo '</tr>'; echo '</table>'; echo '<hr color="red">'; echo '<p>选择你的生日:</p>'; //生成年 $years = range(1980, 2000); echo '<select name="year">'; foreach ($years as $value) { echo '<option>'.$value.'年</option>'; } echo '</select>'; echo ' '; $months = range(1, 12); echo '<select name="months">'; foreach ($months as $value) { echo '<option value='.$value.'>'.sprintf("%02d",$value) .'月</option>'; } echo '</select>'; echo ' '; $days = range(1, 31); echo '<select name="days">'; foreach ($days as $value) { echo '<option value='.$value.'>'.sprintf("%02d",$value) .'日</option>'; } echo '</select>'; echo ' '; echo '<button>提交</button>';
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