k-holy · January 5, 2012 09:39
diff --git a/include_function.items.php b/include_function.items.php
 <?php
 return array(
    array('name' => 'Abe'     , 'score' =>  800),
    array('name' => 'Oda'     , 'score' => 1000),
    array('name' => 'Hosokawa', 'score' =>  600),
 );
diff --git a/include_function.php b/include_function.php
 <?php
 namespace Acme;

 use Acme\Util as U;

 class Util
 {
    public static function H($data, $default = null)
    {
        if (isset($data) && strcmp($data, '') !== 0) {
            return htmlspecialchars($data, ENT_QUOTES, 'UTF-8');
        }
        return $default;
    }
    public static function is_number($data)
    {
        return (ctype_digit($data));
    }

 }

 // 配列を返すファイルをincludeして変数にセットできる
 $items = include __DIR__ . DIRECTORY_SEPARATOR . 'include_function.items.php';

 $orders = array(
    null,
    'name:asc',
    'name:desc',
    'score:asc',
    'score:desc',
 );

 // 無名関数を返すファイルをincludeして変数にセットできる
 $sort = include __DIR__ . DIRECTORY_SEPARATOR . 'include_function.sort.php';

 ?>
 <!DOCTYPE html>
 <html>
 <head>
 <meta charset="utf-8" />
 <style type="text/css">
 body  {font-family:monospace;}
 table {border-collapse:collapse;border-spacing:0px;width:20em;margin:10px;}
 caption {background-color:#336;color:#fff;border:inset 2px #669;padding:3px;}
 th, td {padding:3px;border:solid 1px #999;}
 tr.row1 td {background-color:#eee;color:#333;}
 tr.row2 td {background-color:#ddd;color:#333;}
 td.number {text-align:right;}
 </style>
 <title>無名関数をincludeしてみるサンプル</title>
 </head>
 <body>

 <?php foreach ($orders as $order) : ?>
 <table>
    <caption><?=U::H((!isset($order)) ? 'no-order' : sprintf('order by %s', $order))?></caption>
    <thead>
        <th>name</th>
        <th>score</th>
    </thead>
    <tbody>
 <?php $sort($items, $order); ?>
 <?php foreach ($items as $i => $item) : ?>
        <tr class="<?= ($i % 2 === 0) ? 'row1' : 'row2' ?>">
            <td><?=U::H($item['name'])?></td>
            <td class="number"><?=U::H(number_format($item['score']))?></td>
        </tr>
 <?php endforeach ?>
    </tbody>
 </table>
 <?php endforeach ?>

 </body>
 </html>
diff --git a/include_function.sort.php b/include_function.sort.php
 <?php
 namespace Acme\Func;

 use Acme\Util as U;

 class AssertCallback
 {
    public static function output($file, $line, $code)
    {
        // include元に定義されているクラスはオートロードに関係なく利用できる
        echo U::H(sprintf('Assertion Failed: at %s[%d]', $file, $line));
    }
 }

 // 配列をソートする無名関数
 return function(array &$arr, $order) {
    if (!isset($arr[0]) || !isset($order)) {
        return $arr;
    }
    $key = $order;
    $asc = true;
    if (false !== ($pos = strpos($order, ':'))) {
        $key = substr($order, 0, $pos);
        $asc = (strcmp('asc', substr($order, $pos + 1)) === 0);
    }
    if (!array_key_exists($key, $arr[0])) {
        throw new \RuntimeException('Invalid key is specified.');
    }
    usort($arr, function($row1, $row2) use ($key, $asc) {
        return ($asc)
            ? strnatcasecmp($row1[$key], $row2[$key])
            : strnatcasecmp($row2[$key], $row1[$key]);
    });

    assert_options(ASSERT_ACTIVE, 1);
    assert_options(ASSERT_WARNING, 0);
    assert_options(ASSERT_QUIET_EVAL, 1);
    // 関数のスコープ外に定義されているクラスも利用できる
    assert_options(ASSERT_CALLBACK, array('Acme\Func\AssertCallback', 'output'));
    assert(U::is_number($arr[0]['score']));
    assert(U::is_number($arr[0]['name']));

    return $arr;
 };
	<?php
	return array(
	array('name' => 'Abe' , 'score' => 800),
	array('name' => 'Oda' , 'score' => 1000),
	array('name' => 'Hosokawa', 'score' => 600),
	);
	<?php
	namespace Acme;

	use Acme\Util as U;

	class Util
	{
	public static function H($data, $default = null)
	{
	if (isset($data) && strcmp($data, '') !== 0) {
	return htmlspecialchars($data, ENT_QUOTES, 'UTF-8');
	}
	return $default;
	}
	public static function is_number($data)
	{
	return (ctype_digit($data));
	}

	}

	// 配列を返すファイルをincludeして変数にセットできる
	$items = include __DIR__ . DIRECTORY_SEPARATOR . 'include_function.items.php';

	$orders = array(
	null,
	'name:asc',
	'name:desc',
	'score:asc',
	'score:desc',
	);

	// 無名関数を返すファイルをincludeして変数にセットできる
	$sort = include __DIR__ . DIRECTORY_SEPARATOR . 'include_function.sort.php';

	?>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<style type="text/css">
	body {font-family:monospace;}
	table {border-collapse:collapse;border-spacing:0px;width:20em;margin:10px;}
	caption {background-color:#336;color:#fff;border:inset 2px #669;padding:3px;}
	th, td {padding:3px;border:solid 1px #999;}
	tr.row1 td {background-color:#eee;color:#333;}
	tr.row2 td {background-color:#ddd;color:#333;}
	td.number {text-align:right;}
	</style>
	<title>無名関数をincludeしてみるサンプル</title>
	</head>
	<body>

	<?php foreach ($orders as $order) : ?>
	<table>
	<caption><?=U::H((!isset($order)) ? 'no-order' : sprintf('order by %s', $order))?></caption>
	<thead>
	<th>name</th>
	<th>score</th>
	</thead>
	<tbody>
	<?php $sort($items, $order); ?>
	<?php foreach ($items as $i => $item) : ?>
	<tr class="<?= ($i % 2 === 0) ? 'row1' : 'row2' ?>">
	<td><?=U::H($item['name'])?></td>
	<td class="number"><?=U::H(number_format($item['score']))?></td>
	</tr>
	<?php endforeach ?>
	</tbody>
	</table>
	<?php endforeach ?>

	</body>
	</html>
	<?php
	namespace Acme\Func;

	use Acme\Util as U;

	class AssertCallback
	{
	public static function output($file, $line, $code)
	{
	// include元に定義されているクラスはオートロードに関係なく利用できる
	echo U::H(sprintf('Assertion Failed: at %s[%d]', $file, $line));
	}
	}

	// 配列をソートする無名関数
	return function(array &$arr, $order) {
	if (!isset($arr[0]) \|\| !isset($order)) {
	return $arr;
	}
	$key = $order;
	$asc = true;
	if (false !== ($pos = strpos($order, ':'))) {
	$key = substr($order, 0, $pos);
	$asc = (strcmp('asc', substr($order, $pos + 1)) === 0);
	}
	if (!array_key_exists($key, $arr[0])) {
	throw new \RuntimeException('Invalid key is specified.');
	}
	usort($arr, function($row1, $row2) use ($key, $asc) {
	return ($asc)
	? strnatcasecmp($row1[$key], $row2[$key])
	: strnatcasecmp($row2[$key], $row1[$key]);
	});

	assert_options(ASSERT_ACTIVE, 1);
	assert_options(ASSERT_WARNING, 0);
	assert_options(ASSERT_QUIET_EVAL, 1);
	// 関数のスコープ外に定義されているクラスも利用できる
	assert_options(ASSERT_CALLBACK, array('Acme\Func\AssertCallback', 'output'));
	assert(U::is_number($arr[0]['score']));
	assert(U::is_number($arr[0]['name']));

	return $arr;
	};