vendor/monolog/src/Monolog/Handler/RotatingFileHandler.php
changeset 0 7f95f8617b0b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/monolog/src/Monolog/Handler/RotatingFileHandler.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,109 @@
+<?php
+
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Monolog\Handler;
+
+use Monolog\Logger;
+
+/**
+ * Stores logs to files that are rotated every day and a limited number of files are kept.
+ *
+ * This rotation is only intended to be used as a workaround. Using logrotate to
+ * handle the rotation is strongly encouraged when you can use it.
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class RotatingFileHandler extends StreamHandler
+{
+    protected $filename;
+    protected $maxFiles;
+    protected $mustRotate;
+
+    /**
+     * @param string $filename
+     * @param integer $maxFiles The maximal amount of files to keep (0 means unlimited)
+     * @param integer $level The minimum logging level at which this handler will be triggered
+     * @param Boolean $bubble Whether the messages that are handled can bubble up the stack or not
+     */
+    public function __construct($filename, $maxFiles = 0, $level = Logger::DEBUG, $bubble = true)
+    {
+        $this->filename = $filename;
+        $this->maxFiles = (int) $maxFiles;
+
+        $fileInfo = pathinfo($this->filename);
+        $timedFilename = $fileInfo['dirname'].'/'.$fileInfo['filename'].'-'.date('Y-m-d');
+        if (!empty($fileInfo['extension'])) {
+            $timedFilename .= '.'.$fileInfo['extension'];
+        }
+
+        // disable rotation upfront if files are unlimited
+        if (0 === $this->maxFiles) {
+            $this->mustRotate = false;
+        }
+
+        parent::__construct($timedFilename, $level, $bubble);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function close()
+    {
+        parent::close();
+
+        if (true === $this->mustRotate) {
+            $this->rotate();
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function write(array $record)
+    {
+        // on the first record written, if the log is new, we should rotate (once per day)
+        if (null === $this->mustRotate) {
+            $this->mustRotate = !file_exists($this->url);
+        }
+
+        parent::write($record);
+    }
+
+    /**
+     * Rotates the files.
+     */
+    protected function rotate()
+    {
+        $fileInfo = pathinfo($this->filename);
+        $glob = $fileInfo['dirname'].'/'.$fileInfo['filename'].'-*';
+        if (!empty($fileInfo['extension'])) {
+            $glob .= '.'.$fileInfo['extension'];
+        }
+        $iterator = new \GlobIterator($glob);
+        $count = $iterator->count();
+        if ($this->maxFiles >= $count) {
+            // no files to remove
+            return;
+        }
+
+        // Sorting the files by name to remove the older ones
+        $array = iterator_to_array($iterator);
+        usort($array, function($a, $b) {
+            return strcmp($b->getFilename(), $a->getFilename());
+        });
+
+        foreach (array_slice($array, $this->maxFiles) as $file) {
+            if ($file->isWritable()) {
+                unlink($file->getRealPath());
+            }
+        }
+    }
+}
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