$info['GD Version'],
);
// Check PNG support
if (function_exists('imagecreatefrompng')) {
$requirements['gd']['severity'] = REQUIREMENT_OK;
}
else {
$requirements['gd']['severity'] = REQUIREMENT_ERROR;
$requirements['gd']['description'] = t('The GD library for PHP is enabled, but was compiled without PNG support. Please check the PHP image documentation for information on how to correct this.', array('@url' => 'http://www.php.net/manual/en/ref.image.php'));
}
}
else {
$requirements['gd'] = array(
'value' => t('Not installed'),
'severity' => REQUIREMENT_ERROR,
'description' => t('The GD library for PHP is missing or outdated. Please check the PHP image documentation for information on how to correct this.', array('@url' => 'http://www.php.net/manual/en/ref.image.php')),
);
}
$requirements['gd']['title'] = t('GD library');
}
return $requirements;
}
/**
* Warn site administrator if unsafe CSS color codes are found in the database.
*/
function color_update_6001() {
$ret = array();
$result = db_query("SELECT name FROM {variable} WHERE name LIKE 'color_%_palette'");
while ($variable = db_fetch_array($result)) {
$palette = variable_get($variable['name'], array());
foreach ($palette as $key => $color) {
if (!preg_match('/^#([a-f0-9]{3}){1,2}$/iD', $color)) {
drupal_set_message('Some of the custom CSS color codes specified via the color module are invalid. Please examine the themes which are making use of the color module at the Appearance settings page to verify their CSS color values.', 'warning');
}
}
}
return $ret;
}