Tag Usage in PHP: Understanding Columns and Rows-PHP Tutorial-php.cn

Tag Usage in PHP: Understanding Columns and Rows

王林

Release： 2024-04-09 10:06:02

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PHP tags are used to organize tabular data, including: column labels (

) define header columns, used for column titles; row labels ( ) define a row, including cells; colspan and rowspan attributes Can be used to merge cells; in practice, labels can be used to create employee data tables, including ID, name and age fields.

Tag Usage in PHP: Understanding Columns and Rows

Usage of tags in PHP: A closer look at columns and rows

In PHP, tags are used to combine and organize HTML Structural elements for data in tables. They are typically used to define columns and rows in tables.

Column labels ()

labels define header columns. It usually contains the title or description of the column.
echo "<th>姓名</th>"; echo "<th>年龄</th>";
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Row label ()
label defines a row. It contains the cells in the table.
echo "<tr>"; echo "<td>约翰</td>"; echo "<td>30</td>"; echo "</tr>";
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Merge cells
You can use the colspan and rowspan attributes to merge cells.
echo "<table border='1'>"; echo "<tr>"; echo "<th colspan='2'>个人信息</th>"; echo "</tr>"; echo "<tr>"; echo "<td rowspan='2'>姓名</td>"; echo "<td>约翰</td>"; echo "</tr>"; echo "<tr>"; echo "<td>30</td>"; echo "</tr>"; echo "</table>";
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Practical case: display employee data
The following PHP script demonstrates how to use tags to create an employee data table:
<?php $employees = array( array('id' => 1, 'name' => '约翰', 'age' => 30), array('id' => 2, 'name' => '玛丽', 'age' => 25) ); ?> <!DOCTYPE html> <html> <head> <title>员工数据</title> </head> <body> <table> <tr> <th>ID</th> <th>姓名</th> <th>年龄</th> </tr> <?php foreach ($employees as $employee) : ?> <tr> <td><?php echo $employee['id']; ?></td> <td><?php echo $employee['name']; ?></td> <td><?php echo $employee['age']; ?></td> </tr> <?php endforeach; ?> </table> </body> </html>
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Run this script An HTML table will be generated containing data for employee ID, name, and age.

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