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k-holy/image_types.php

Created December 6, 2011 08:50
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IMAGETYPE定数と拡張子とmimeTypeの一覧を取得
Raw
image_types.php
<?php
$constants = get_defined_constants(true);
$supportedImageType = function($type) {
$_type = 0;
switch ($type) {
case IMAGETYPE_GIF:
$_type = IMG_GIF;
break;
case IMAGETYPE_JPEG:
$_type = IMG_JPG;
break;
case IMAGETYPE_PNG:
$_type = IMG_PNG;
break;
case IMAGETYPE_WBMP:
$_type = IMG_WBMP;
break;
}
return (($_type & imagetypes()) !== 0);
};
$data = array_fill_keys(array_filter(array_keys($constants['standard']),
function($name) {
return (strpos($name, 'IMAGETYPE_') === 0);
}
), null);
array_walk($data, function(&$image, $key, $supportedImageType) {
$image = new \StdClass();
$image_type = constant($key);
$image->constant = $key;
$image->imageType = $image_type;
$image->supported = $supportedImageType($image_type);
$image->extension = image_type_to_extension($image_type, false);
$image->mimeType = image_type_to_mime_type($image_type);
}, $supportedImageType);
include 'image_types.template.php';
Raw
image_types.template.php
<?php
namespace Acme\Template;
class U
{
public static function H($data, $default=null)
{
$var = $default;
if (isset($data)) {
if (is_bool($data)) {
$var = ($data) ? 'TRUE' : 'FALSE';
} else {
$var = htmlspecialchars($data, ENT_QUOTES, 'UTF-8');
}
}
return $var;
}
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<style type="text/css">
body {font-family:monospace;}
table {border-collapse:collapse; margin:5px 0px;}
table * {text-align:left;}
caption {font-size:200%;}
th, td {padding:2px; border:solid 1px #999999;}
</style>
</head>
<body>
<table>
<thead>
<tr>
<th>定数名</th>
<th>定数値</th>
<th>サポート</th>
<th>拡張子</th>
<th>MIMEタイプ</th>
</tr>
</thead>
<tbody>
<?php foreach ($data as $image) : ?>
<tr>
<th><?=U::H($image->constant)?></th>
<td><?=U::H($image->imageType)?></td>
<td><?=U::H($image->supported)?></td>
<td><?=U::H($image->extension)?></td>
<td><?=U::H($image->mimeType)?></td>
</tr>
<?php endforeach ?>
</tbody>
</table>
</body>
</html>
Raw
image_types2.php
<?php
$constants = get_defined_constants(true);
$supportedImageType = function($type) {
$_type = 0;
switch ($type) {
case IMAGETYPE_GIF:
$_type = IMG_GIF;
break;
case IMAGETYPE_JPEG:
$_type = IMG_JPG;
break;
case IMAGETYPE_PNG:
$_type = IMG_PNG;
break;
case IMAGETYPE_WBMP:
$_type = IMG_WBMP;
break;
}
return (($_type & imagetypes()) !== 0);
};
$image_types = array_intersect_ukey($constants['standard'], $constants['standard'],
function($name1, $name2) {
return (strpos($name1, 'IMAGETYPE_') === 0) ? 0 : 1;
}
);
$data = array();
array_walk($image_types, function($image_type, $key, $supportedImageType) use (&$data) {
$image = new \stdClass();
$image->constant = $key;
$image->imageType = $image_type;
$image->supported = $supportedImageType($image_type);
$image->extension = image_type_to_extension($image_type, false);
$image->mimeType = image_type_to_mime_type($image_type);
$data[] = $image;
}, $supportedImageType);
include 'image_types.template.php';
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