*/
include(dirname(__FILE__) . '/security.inc');
/*
* Gets a lot of information about our GD installation and return it as a
* giant string, which can be eval'ed to an array.
*/
function getGdLibraryInfo() {
if (! extension_loaded('gd')) {
return '';
}
/* Get GD version from phpinfo or gd_info */
if (function_exists('gd_info')) {
$gdInfo = gd_info();
$matchString = $gdInfo['GD Version'];
$matcherVersion = '/([\d\.]+)(\s+or\s+higher)?/i';
$matcherBundled = '/bundled/i';
} else {
ob_start();
phpinfo(8);
$matchString = ob_get_contents();
$matcherVersion = '/\bgd\s+version\b[^\d\n\r]+?([\d\.]+)(\s+or\s+higher)?/i';
$matcherBundled = '/\bgd\s+version\b[^\d\n\r]+?bundled/i';
ob_end_clean();
}
if (preg_match($matcherVersion, $matchString, $matches)) {
$gdVersion = $matches[1];
} else {
$gdVersion = 0;
}
if (isset($matches[2])) {
$gdVersion = sprintf('>%s', $gdVersion);
}
$isGdBundled = 0;
if (preg_match($matcherBundled, $matchString)) {
$isGdBundled = 1;
}
/* Find out supported mime types */
$mimeChecks = array(
array(
'mimeType' => 'image/gif',
'value' => defined('IMG_GIF') ? IMG_GIF : '',
'functions' => array('imageCreateFromGif', 'imageGif')
),
array(
'mimeType' => 'image/jpeg',
'value' => defined('IMG_JPEG') ? IMG_JPEG : '',
'functions' => array('imageCreateFromJpeg', 'imageJpeg')
),
array(
'mimeType' => 'image/png',
'value' => defined('IMG_PNG') ? IMG_PNG : '',
'functions' => array('imageCreateFromPng', 'imagePng')
),
array(
'mimeType' => 'image/vnd.wap.wbmp',
'value' => defined('IMG_WBMP') ? IMG_WBMP : '',
'functions' => array('imageCreateFromWbmp', 'imageWbmp')
),
array(
'mimeType' => 'image/x-xpixmap',
'value' => defined('IMG_XPM') ? IMG_XPM : '',
'functions' => array('imageCreateFromXpm', 'imageXpm')
),
array(
'mimeType' => 'image/x-xbitmap',
'value' => defined('IMG_XBM') ? IMG_XBM : '',
'functions' => array('imageCreateFromXbm', 'imageXbm')
),
);
$mimeTypes = array();
foreach ($mimeChecks as $check) {
$ok = true;
foreach ($check['functions'] as $fct) {
if (! function_exists($fct)) {
$ok = false;
}
}
if ($ok && ! ($check['value'] & imageTypes())) {
$ok = false;
}
if ($ok) {
$mimeTypes[] = $check['mimeType'];
}
}
$out = '';
$out .= '$gdEnvironments[] = array(' . "\n";
$name = sprintf('%s|%s%s|%s',
phpversion(),
$gdVersion,
($isGdBundled ? '-bundled' : '-external'),
PHP_OS
);
$out .= "\t" . sprintf('\'name\' => \'%s\',', $name) . "\n";
$out .= "\t" . sprintf('\'phpVersion\' => \'%s\',', phpversion()) . "\n";
$out .= "\t" . sprintf('\'gdVersion\' => \'%s\',', $gdVersion) . "\n";
$out .= "\t" . sprintf('\'gdBundled\' => %s,', $isGdBundled) . "\n";
$imageTypes = 0;
if (function_exists('imageTypes')) {
$imageTypes = imageTypes();
}
$out .= "\t" . sprintf('\'imageTypes\' => %s,', $imageTypes) . "\n";
if (function_exists('gd_info')) {
$gdInfo = gd_info();
$out .= "\t" . '\'gd_info\' => array(' . "\n";
foreach ($gdInfo as $field => $value) {
$out .= "\t\t" . sprintf('\'%s\' => \'%s\',', $field, $value) . "\n";
}
$out .= "\t" . '),' . "\n";
}
/* Check which constants are defined */
$constants = get_defined_constants();
$out .= "\t" . '\'constants\' => array(' . "\n";
foreach ($constants as $constant => $value) {
if (! preg_match('/^(IMAGE|IMG|GD|PHP)/', $constant)) { continue; }
if (! is_int($value)) {
$value = sprintf('\'%s\'', $value);
}
$out .= "\t\t" . sprintf('\'%s\' => %s,', $constant, $value) . "\n";
}
$out .= "\t" . '),' . "\n";
$out .= "\t" . '\'mimeTypes\' => array(' . "\n";
foreach ($mimeTypes as $mimeType) {
$out .= "\t\t" . sprintf('\'%s\',', $mimeType) . "\n";
}
$out .= "\t" . '),' . "\n";
ob_start();
phpinfo(8);
$phpinfo = ob_get_contents();
ob_end_clean();
$phpinfo = htmlspecialchars($phpinfo);
$phpinfo = preg_replace('/\'/', '\\\'', $phpinfo);
$out .= "\t" . sprintf('\'phpinfo(8)\' => \'%s\',', $phpinfo) . "\n";
/* Functions defined in this GD module */
$functions = get_extension_funcs('gd');
$out .= "\t" . '\'functions\' => array(' . "\n";
foreach ($functions as $fct) {
$out .= "\t\t" . sprintf('\'%s\' => true,', $fct) . "\n";
}
$otherFunctions = array(
'getimagesize',
'image_type_to_extension',
'image_type_to_mime_type',
'iptcembed',
'iptcparse',
);
foreach ($otherFunctions as $fct) {
if (! function_exists($fct)) { continue; }
$out .= "\t\t" . sprintf('\'%s\' => true,', $fct) . "\n";
}
$out .= "\t" . '),' . "\n";
$out .= ');' . "\n";
return $out;
}
$gdInfo = getGdLibraryInfo();
?>
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