/**
* Loads a list of classes and caches them in one big file.
*
* @param array $classes An array of classes to load
* @param string $cacheDir A cache directory
* @param string $name The cache name prefix
* @param Boolean $autoReload Whether to flush the cache when the cache is stale or not
* @param Boolean $adaptive Whether to remove already declared classes or not
*
* @throws \InvalidArgumentException When class can't be loaded
*/
public static function load($classes, $cacheDir, $name, $autoReload, $adaptive = false)
{
// each $name can only be loaded once per PHP process
if (isset(self::$loaded[$name])) {
return;
}
self::$loaded[$name] = true;
$classes = array_unique($classes);
if ($adaptive) {
// don't include already declared classes
$classes = array_diff($classes, get_declared_classes(), get_declared_interfaces());
// the cache is different depending on which classes are already declared
$name = $name . '-' . substr(md5(implode('|', $classes)), 0, 5);
}
$cache = $cacheDir . '/' . $name . '.php';
// auto-reload
$reload = false;
if ($autoReload) {
$metadata = $cacheDir . '/' . $name . '.meta';
if (!file_exists($metadata) || !file_exists($cache)) {
$reload = true;
} else {
$time = filemtime($cache);
$meta = unserialize(file_get_contents($metadata));
if ($meta[1] != $classes) {
$reload = true;
} else {
foreach ($meta[0] as $resource) {
if (!file_exists($resource) || filemtime($resource) > $time) {
$reload = true;
break;
}
}
}
}
}
if (!$reload && file_exists($cache)) {
require_once $cache;
return;
}
$files = array();
$content = '';
foreach ($classes as $class) {
if (!class_exists($class) && !interface_exists($class)) {
throw new \InvalidArgumentException(sprintf('Unable to load class "%s"', $class));
}
$r = new \ReflectionClass($class);
$files[] = $r->getFileName();
$content .= preg_replace(array('/^\\s*<\\?php/', '/\\?>\\s*$/'), '', file_get_contents($r->getFileName()));
}
// cache the core classes
if (!is_dir(dirname($cache))) {
mkdir(dirname($cache), 0777, true);
}
self::writeCacheFile($cache, Kernel::stripComments('<?php ' . $content));
if ($autoReload) {
// save the resources
self::writeCacheFile($metadata, serialize(array($files, $classes)));
}
}
public static function load($classes, $cacheDir, $name, $autoReload)
{
$cache = $cacheDir . '/' . $name . '.php';
// auto-reload
$reload = false;
if ($autoReload) {
$metadata = $cacheDir . '/' . $name . '.meta';
if (!file_exists($metadata) || !file_exists($cache)) {
$reload = true;
} else {
$time = filemtime($cache);
$meta = unserialize(file_get_contents($metadata));
if ($meta[1] != $classes) {
$reload = true;
} else {
foreach ($meta[0] as $resource) {
if (!file_exists($resource) || filemtime($resource) > $time) {
$reload = true;
break;
}
}
}
}
}
if (!$reload && file_exists($cache)) {
require_once $cache;
return;
}
$files = array();
$content = '';
foreach ($classes as $class) {
if (!class_exists($class) && !interface_exists($class)) {
throw new \InvalidArgumentException(sprintf('Unable to load class "%s"', $class));
}
$r = new \ReflectionClass($class);
$files[] = $r->getFileName();
$content .= preg_replace(array('/^\\s*<\\?php/', '/\\?>\\s*$/'), '', file_get_contents($r->getFileName()));
}
// cache the core classes
if (!is_dir(dirname($cache))) {
mkdir(dirname($cache), 0777, true);
}
self::writeCacheFile($cache, Kernel::stripComments('<?php ' . $content));
if ($autoReload) {
// save the resources
self::writeCacheFile($metadata, serialize(array($files, $classes)));
}
}
public static function load($classes, $cacheDir, $name, $autoReload, $adaptive = false)
{
if (isset(self::$loaded[$name])) {
return;
}
self::$loaded[$name] = true;
$classes = array_unique($classes);
if ($adaptive) {
$classes = array_diff($classes, get_declared_classes(), get_declared_interfaces());
$name = $name . '-' . substr(md5(implode('|', $classes)), 0, 5);
}
$cache = $cacheDir . '/' . $name . '.php';
$reload = false;
if ($autoReload) {
$metadata = $cacheDir . '/' . $name . '.meta';
if (!file_exists($metadata) || !file_exists($cache)) {
$reload = true;
} else {
$time = filemtime($cache);
$meta = unserialize(file_get_contents($metadata));
if ($meta[1] != $classes) {
$reload = true;
} else {
foreach ($meta[0] as $resource) {
if (!file_exists($resource) || filemtime($resource) > $time) {
$reload = true;
break;
}
}
}
}
}
if (!$reload && file_exists($cache)) {
require_once $cache;
return;
}
$files = array();
$content = '';
foreach ($classes as $class) {
if (!class_exists($class) && !interface_exists($class)) {
throw new \InvalidArgumentException(sprintf('Unable to load class "%s"', $class));
}
$r = new \ReflectionClass($class);
$files[] = $r->getFileName();
$c = preg_replace(array('/^\\s*<\\?php/', '/\\?>\\s*$/'), '', file_get_contents($r->getFileName()));
if (!$r->inNamespace()) {
$c = "\nnamespace\n{\n{$c}\n}\n";
} else {
$c = self::fixNamespaceDeclarations('<?php ' . $c);
$c = preg_replace('/^\\s*<\\?php/', '', $c);
}
$content .= $c;
}
if (!is_dir(dirname($cache))) {
mkdir(dirname($cache), 0777, true);
}
self::writeCacheFile($cache, Kernel::stripComments('<?php ' . $content));
if ($autoReload) {
self::writeCacheFile($metadata, serialize(array($files, $classes)));
}
}
