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<?php
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/**
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* @file
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* Install, update and uninstall functions for the color module.
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*/
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/**
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* Implements hook_requirements().
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*/
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function color_requirements($phase) {
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$requirements = array();
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if ($phase == 'runtime') {
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// Check for the PHP GD library.
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if (function_exists('imagegd2')) {
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$info = gd_info();
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$requirements['color_gd'] = array(
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'value' => $info['GD Version'],
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);
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// Check for PNG support.
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if (function_exists('imagecreatefrompng')) {
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$requirements['color_gd']['severity'] = REQUIREMENT_OK;
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}
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else {
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$requirements['color_gd']['severity'] = REQUIREMENT_WARNING;
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$requirements['color_gd']['description'] = t('The GD library for PHP is enabled, but was compiled without PNG support. Check the <a href="@url">PHP image documentation</a> for information on how to correct this.', array('@url' => 'http://www.php.net/manual/ref.image.php'));
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}
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}
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else {
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$requirements['color_gd'] = array(
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'value' => t('Not installed'),
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'severity' => REQUIREMENT_ERROR,
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'description' => t('The GD library for PHP is missing or outdated. Check the <a href="@url">PHP image documentation</a> for information on how to correct this.', array('@url' => 'http://www.php.net/manual/book.image.php')),
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);
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}
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$requirements['color_gd']['title'] = t('GD library PNG support');
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}
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return $requirements;
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}
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/**
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* @addtogroup updates-7.x-extra
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* @{
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*/
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/**
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* Warn site administrator if unsafe CSS color codes are found in the database.
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*/
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function color_update_7001() {
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$theme_palettes = db_query("SELECT name FROM {variable} WHERE name LIKE 'color_%_palette'")->fetchCol();
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foreach ($theme_palettes as $name) {
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$palette = variable_get($name, array());
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foreach ($palette as $key => $color) {
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if (!preg_match('/^#([a-f0-9]{3}){1,2}$/iD', $color)) {
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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 <a href="'. url('admin/appearance/settings') .'">Appearance settings</a> page to verify their CSS color values.', 'warning');
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}
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}
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}
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}
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/**
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* @} End of "addtogroup updates-7.x-extra".
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*/
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