Added Kohana v3.0.9

includes/kohana/modules/codebench/classes/bench/arrcallback.php

@@ -0,0 +1,57 @@
+<?php defined('SYSPATH') or die('No direct access allowed.');
+/**
+ * @package    Kohana/Codebench
+ * @category   Tests
+ * @author     Geert De Deckere <geert@idoe.be>
+ */
+class Bench_ArrCallback extends Codebench {
+
+	public $description =
+		'Parsing <em>command[param,param]</em> strings in <code>Arr::callback()</code>:
+		 http://github.com/shadowhand/kohana/commit/c3aaae849164bf92a486e29e736a265b350cb4da#L0R127';
+
+	public $loops = 10000;
+
+	public $subjects = array
+	(
+		// Valid callback strings
+		'foo',
+		'foo::bar',
+		'foo[apple,orange]',
+		'foo::bar[apple,orange]',
+		'[apple,orange]', // no command, only params
+		'foo[[apple],[orange]]', // params with brackets inside
+
+		// Invalid callback strings
+		'foo[apple,orange', // no closing bracket
+	);
+
+	public function bench_shadowhand($subject)
+	{
+		// The original regex we're trying to optimize
+		if (preg_match('/([^\[]*+)\[(.*)\]/', $subject, $match))
+			return $match;
+	}
+
+	public function bench_geert_regex_1($subject)
+	{
+		// Added ^ and $ around the whole pattern
+		if (preg_match('/^([^\[]*+)\[(.*)\]$/', $subject, $matches))
+			return $matches;
+	}
+
+	public function bench_geert_regex_2($subject)
+	{
+		// A rather experimental approach using \K which requires PCRE 7.2 ~ PHP 5.2.4
+		// Note: $matches[0] = params, $matches[1] = command
+		if (preg_match('/^([^\[]*+)\[\K.*(?=\]$)/', $subject, $matches))
+			return $matches;
+	}
+
+	public function bench_geert_str($subject)
+	{
+		// A native string function approach which beats all the regexes
+		if (strpos($subject, '[') !== FALSE AND substr($subject, -1) === ']')
+			return explode('[', substr($subject, 0, -1), 2);
+	}
+}