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phpはmysqlテーブルのデータを削除します
<html> <head> <title>Delete a Record from MySQL Database</title> </head> <body> <?php if(isset($_POST['delete'])) { $dbhost = 'localhost:3306'; $dbuser = 'root'; $dbpass = 'root'; $conn = mysql_connect($dbhost, $dbuser, $dbpass); if(! $conn ) { die('Could not connect '); } $emp_id = $_POST['emp_id']; $sql = "DELETE from employee ". "WHERE emp_id = $emp_id" ; print "sql" . $sql; mysql_select_db('test_db'); $retval = mysql_query( $sql, $conn ); if(! $retval ) { die('Could not delete data'); } echo "Deleted data successfully\n"; mysql_close($conn); } else { ?> <form method="post" action="<?php $_PHP_SELF ?>"> <table width="400" border="0" cellspacing="1" cellpadding="2"> <tr> <td width="100">Employee ID</td> <td><input name="emp_id" type="text" id="emp_id"></td> </tr> <tr> <td width="100"> </td> <td> </td> </tr> <tr> <td width="100"> </td> <td> <input name="delete" type="submit" id="delete" value="Delete"> </td> </tr> </table> </form> <?php } ?> </body> </html>