add simple code exec comparetor

Author: inhere

examples/demo/exec_compare.php

@@ -0,0 +1,37 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: inhere
+ * Date: 2018-01-10
+ * Time: 19:36
+ */
+
+use Inhere\Console\Components\ExecComparator;
+use Inhere\Console\Utils\CliUtil;
+
+require dirname(__DIR__, 2) . '/tests/boot.php';
+
+$common = <<<CODE
+    \$text = 'hello, world!';
+CODE;
+
+// preg_match()
+$code1 = <<<CODE
+    preg_match('/wor/', \$text);
+CODE;
+
+// strpos()
+$code2 = <<<CODE
+    strpos(\$text, 'wor');
+CODE;
+// var_dump(CliUtil::getTempDir());die;
+$ec = new ExecComparator();
+$ec
+    ->setCommon($common)
+    ->setLoops(1000000)
+    ->setSample1($code1)
+    ->setSample2($code2);
+
+$ret = $ec->compare();
+
+print_r($ret);

src/BuiltIn/Resources/templates/code-exec-compare.tpl

@@ -0,0 +1 @@
+<?php

src/Components/ExecComparator.php

@@ -8,20 +8,174 @@
 
 namespace Inhere\Console\Components;
 
+use Inhere\Console\Utils\CliUtil;
+
 /**
  * Class ExecComparator - PHP code exec speed comparator
  * @package Inhere\Console\Components
  */
 class ExecComparator
 {
+    /**
+     * @var string
+     */
+    public $tmpDir;
+
     /**
      * @var array
      */
     private $vars = [];
 
-    public function compare($code1, $code2, $loops = 10000)
+    /** @var string[] */
+    private $sample1;
+
+    /** @var string[] */
+    private $sample2;
+
+    /** @var string */
+    private $common;
+
+    /** @var int */
+    private $loops = 0;
+
+    /** @var string */
+    private $time;
+
+    /**
+     * ExecComparator constructor.
+     * @param string|null $tmpDir
+     */
+    public function __construct(string $tmpDir = null)
+    {
+        $this->tmpDir = $tmpDir ?? CliUtil::getTempDir();
+    }
+
+    /**
+     * @param string $code
+     * @return $this
+     */
+    public function setCommon(string $code)
+    {
+        $this->common = $code;
+
+        return $this;
+    }
+
+    /**
+     * @param int $times
+     * @return $this
+     */
+    public function setLoops(int $times)
+    {
+        if ($times <= 0) {
+            throw new \InvalidArgumentException('The time must be gt zero');
+        }
+
+        $this->loops = $times;
+
+        return $this;
+    }
+
+    /**
+     * @param string $code
+     * @return $this
+     */
+    public function setSample1(string $code)
+    {
+        $this->sample1['code'] = $code;
+
+        return $this;
+    }
+
+    /**
+     * @param string $code
+     * @return $this
+     */
+    public function setSample2(string $code)
+    {
+        $this->sample2['code'] = $code;
+
+        return $this;
+    }
+
+    /**
+     * @param array $context
+     * @param int $loops
+     * @return array
+     */
+    public function compare(array $context = [], int $loops = 0)
+    {
+        if ($loops) {
+            $this->setLoops($loops);
+        }
+
+        $sTime = microtime(1);
+        $this->time = date('ymdH');
+
+        $id = 1;
+        $file1 = $this->dump($this->sample1['code'], $id);
+        $info1 = $this->runSampleFile($file1, $id);
+
+        $id = 2;
+        $file2 = $this->dump($this->sample2['code'], $id);
+        $info2 = $this->runSampleFile($file2, $id);
+        $eTime = microtime(1);
+
+        return [
+            $info1,
+            $info2,
+            'total' => [
+                'startTime' => $sTime,
+                'endTime' => $eTime,
+            ]
+        ];
+    }
+
+    public function runSampleFile(string $file, int $id)
     {
+        $func = 'sample_func_' . $id;
+        $sMem = memory_get_usage();
+        $sTime = microtime(1);
+
+        // load and running
+        ob_start();
+        require $file;
+        $ret = $func();
+        $out = ob_get_clean();
+
+        $eMem = memory_get_usage();
+        $eTime = microtime(1);
+
+        return [
+            'startTime' => $sTime,
+            'endTime' => $eTime,
+            'startMem' => $sMem,
+            'endMem' => $eMem,
+            'output' => $out,
+            'return' => $ret,
+        ];
+    }
+
+    public function dump(string $code, int $id, array $context = [])
+    {
+        $file = $this->tmpDir . '/' . $this->time . '_' . md5($code . random_int(1000, 100000)) . '.php';
+        $common = $this->common;
+
+        $content = <<<CODE
+function sample_func_{$id}() {
+    // prepare
+$common
+
+    // exec
+    for (\$i = 0; \$i < $this->loops; \$i++) {
+    $code
+    }
+}
+CODE;
+
+        file_put_contents($file, '<?php' . PHP_EOL . $content);
 
+        return $file;
     }
 
     /**