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authorKlaus Weidenbach <Klaus.Weidenbach@gmx.net>2017-07-06 21:16:56 +0200
committerKlaus Weidenbach <Klaus.Weidenbach@gmx.net>2017-07-06 21:18:35 +0200
commitf9a989fe1b0944b9b7d896b23544522fd42c4fd7 (patch)
treed0d46ca14527d3490de63c0749707fc40ec30119 /vendor/composer/ClassLoader.php
parentb16e4c558ffb47d2b48f0dab97e4389c9198f831 (diff)
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Add optimize-autoloader to composer config.
Diffstat (limited to 'vendor/composer/ClassLoader.php')
-rw-r--r--vendor/composer/ClassLoader.php48
1 files changed, 38 insertions, 10 deletions
diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
index 795376e87..2c72175e7 100644
--- a/vendor/composer/ClassLoader.php
+++ b/vendor/composer/ClassLoader.php
@@ -53,8 +53,9 @@ class ClassLoader
private $useIncludePath = false;
private $classMap = array();
-
private $classMapAuthoritative = false;
+ private $missingClasses = array();
+ private $apcuPrefix;
public function getPrefixes()
{
@@ -272,6 +273,26 @@ class ClassLoader
}
/**
+ * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
+ *
+ * @param string|null $apcuPrefix
+ */
+ public function setApcuPrefix($apcuPrefix)
+ {
+ $this->apcuPrefix = function_exists('apcu_fetch') && ini_get('apc.enabled') ? $apcuPrefix : null;
+ }
+
+ /**
+ * The APCu prefix in use, or null if APCu caching is not enabled.
+ *
+ * @return string|null
+ */
+ public function getApcuPrefix()
+ {
+ return $this->apcuPrefix;
+ }
+
+ /**
* Registers this instance as an autoloader.
*
* @param bool $prepend Whether to prepend the autoloader or not
@@ -313,29 +334,34 @@ class ClassLoader
*/
public function findFile($class)
{
- // work around for PHP 5.3.0 - 5.3.2 https://bugs.php.net/50731
- if ('\\' == $class[0]) {
- $class = substr($class, 1);
- }
-
// class map lookup
if (isset($this->classMap[$class])) {
return $this->classMap[$class];
}
- if ($this->classMapAuthoritative) {
+ if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
return false;
}
+ if (null !== $this->apcuPrefix) {
+ $file = apcu_fetch($this->apcuPrefix.$class, $hit);
+ if ($hit) {
+ return $file;
+ }
+ }
$file = $this->findFileWithExtension($class, '.php');
// Search for Hack files if we are running on HHVM
- if ($file === null && defined('HHVM_VERSION')) {
+ if (false === $file && defined('HHVM_VERSION')) {
$file = $this->findFileWithExtension($class, '.hh');
}
- if ($file === null) {
+ if (null !== $this->apcuPrefix) {
+ apcu_add($this->apcuPrefix.$class, $file);
+ }
+
+ if (false === $file) {
// Remember that this class does not exist.
- return $this->classMap[$class] = false;
+ $this->missingClasses[$class] = true;
}
return $file;
@@ -403,6 +429,8 @@ class ClassLoader
if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
return $file;
}
+
+ return false;
}
}