15c05-1.php

来自「介绍PHP5的给类型函数应用」· PHP 代码 · 共 25 行

<?php
// Include our file:
$data = array();
@include 'config.php';

// If we were asked to make changes, then do so:
if (count($_POST)) {
    // Just update/add the value to the 'data' array
    $data[$_POST['name']] = $_POST['val'];

    // Now save it to disk, create the 'full' file wrapping it in valid PHP
    $file = "<?php\n\$data = " . var_export($data, true) . ";\n?>\n";
    file_put_contents('config.php', $file, LOCK_EX);
}

// Echo out the current data
echo "<pre>Current Data is:\n\n";
print_r($data);
echo "</pre>\n";
?>
<form action="<?= $_SERVER['PHP_SELF'] ?>" method="post" name="myform">
<p>Key: <input type="text" name="name" value="" /></p>
<p>Value: <input type="text" name="val" value="" /></p>
<input value="Save Data" type="submit" />
</form>