本文整理汇总了PHP中WP_Theme::persistently_cache方法的典型用法代码示例。如果您正苦于以下问题：PHP WP_Theme::persistently_cache方法的具体用法？PHP WP_Theme::persistently_cache怎么用？PHP WP_Theme::persistently_cache使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类WP_Theme的用法示例。
在下文中一共展示了WP_Theme::persistently_cache方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: __construct
/**
* Constructor for WP_Theme.
*
* @param string $theme_dir Directory of the theme within the theme_root.
* @param string $theme_root Theme root.
* @param WP_Error|null $child If this theme is a parent theme, the child may be passed for validation purposes.
*/
public function __construct($theme_dir, $theme_root, $child = null)
{
// Initialize caching on first run.
if (!isset(self::$persistently_cache)) {
self::$persistently_cache = apply_filters('wp_cache_themes_persistently', false, 'WP_Theme');
if (self::$persistently_cache) {
wp_cache_add_global_groups('themes');
if (is_int(self::$persistently_cache)) {
self::$cache_expiration = self::$persistently_cache;
}
} else {
wp_cache_add_non_persistent_groups('themes');
}
}
$this->theme_root = $theme_root;
$this->stylesheet = $theme_dir;
$theme_file = $this->stylesheet . '/style.css';
$cache = $this->cache_get('theme');
if (is_array($cache)) {
foreach (array('errors', 'headers', 'template') as $key) {
if (isset($cache[$key])) {
$this->{$key} = $cache[$key];
}
}
if ($this->errors) {
return;
}
if (isset($cache['theme_root_template'])) {
$theme_root_template = $cache['theme_root_template'];
}
} elseif (!file_exists($this->theme_root . '/' . $theme_file)) {
$this->headers['Name'] = $this->stylesheet;
$this->errors = new WP_Error('theme_no_stylesheet', __('Stylesheet is missing.'));
$this->cache_add('theme', array('headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet));
if (!file_exists($this->theme_root)) {
// Don't cache this one.
$this->errors->add('theme_root_missing', __('ERROR: The themes directory is either empty or doesn’t exist. Please check your installation.'));
}
return;
} elseif (!is_readable($this->theme_root . '/' . $theme_file)) {
$this->headers['Name'] = $this->stylesheet;
$this->errors = new WP_Error('theme_stylesheet_not_readable', __('Stylesheet is not readable.'));
$this->cache_add('theme', array('headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet));
return;
} else {
$this->headers = get_file_data($this->theme_root . '/' . $theme_file, self::$file_headers, 'theme');
// Default themes always trump their pretenders.
// Properly identify default themes that are inside a directory within wp-content/themes.
if ($default_theme_slug = array_search($this->headers['Name'], self::$default_themes)) {
if (basename($this->stylesheet) != $default_theme_slug) {
$this->headers['Name'] .= '/' . $this->stylesheet;
}
}
}
// (If template is set from cache, we know it's good.)
if (!$this->template && !($this->template = $this->headers['Template'])) {
if (file_exists($this->theme_root . '/' . $this->stylesheet . '/index.php')) {
$this->template = $this->stylesheet;
} else {
$this->errors = new WP_Error('theme_no_index', __('Template is missing.'));
$this->cache_add('theme', array('headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet));
return;
}
}
// If we got our data from cache, we can assume that 'template' is pointing to the right place.
if (!is_array($cache) && $this->template != $this->stylesheet && !file_exists($this->theme_root . '/' . $this->template . '/index.php')) {
// If we're in a directory of themes inside /themes, look for the parent nearby.
// wp-content/themes/directory-of-themes/*
$parent_dir = dirname($this->stylesheet);
if ('.' != $parent_dir && file_exists($this->theme_root . '/' . $parent_dir . '/' . $this->template . '/index.php')) {
$this->template = $parent_dir . '/' . $this->template;
} elseif (($directories = search_theme_directories()) && isset($directories[$this->template])) {
// Look for the template in the search_theme_directories() results, in case it is in another theme root.
// We don't look into directories of themes, just the theme root.
$theme_root_template = $directories[$this->template]['theme_root'];
} else {
// Parent theme is missing.
$this->errors = new WP_Error('theme_no_parent', sprintf(__('The parent theme is missing. Please install the "%s" parent theme.'), $this->template));
$this->cache_add('theme', array('headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template));
return;
}
}
// Set the parent, if we're a child theme.
if ($this->template != $this->stylesheet) {
// If we are a parent, then there is a problem. Only two generations allowed! Cancel things out.
if (is_a($child, 'WP_Theme') && $child->template == $this->stylesheet) {
$child->parent = null;
$child->errors = new WP_Error('theme_parent_invalid', sprintf(__('The "%s" theme is not a valid parent theme.'), $child->template));
$child->cache_add('theme', array('headers' => $child->headers, 'errors' => $child->errors, 'stylesheet' => $child->stylesheet, 'template' => $child->template));
// The two themes actually reference each other with the Template header.
if ($child->stylesheet == $this->template) {
$this->errors = new WP_Error('theme_parent_invalid', sprintf(__('The "%s" theme is not a valid parent theme.'), $this->template));
$this->cache_add('theme', array('headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template));
//.........这里部分代码省略.........