Reasons to upgrade to PHP 5: Performance comparison between PHP 4 and PHP 5 (1)_PHP Tutorial

PHP 4 will no longer be supported by the PHP Group by the end of 2007, so in order to make everyone more confident in moving to the PHP 5 platform, I specially conducted this test to see how our PHP 4 Does .x really perform better than our PHP 5.x? The test results are obvious, that is, PHP 5.x is faster than PHP 4.x in both object-oriented and process-oriented terms, so it is absolutely necessary for everyone to move to the PHP 5.x platform to experience it. Various features and capabilities of the PHP 5.x platform.

Because PHP 5 includes a new object model, more new features, and faster processing speed, especially the speed of processing object-oriented code. Although the speed of object-oriented code in PHP 4 is relatively average, in The speed of object-oriented code in PHP5.

Test environment

CPU	Intel Pentium4 2.66GHz
Memory	1GB
Disk	73GB/SCSI
OS	FreeBSD 4.11
Web	Apache 1.3.37
测试工具	ab（也可以选用http_load）
名词RPS	Requests per second(每秒的请求数量)

Related

Testing tool: ab (can also be used http_load)

Noun RPS: Requests per second (number of requests per second)

PHP 4.4.2 test results

Function

<?php <br>function signin(){<br>echo "test";<br>}<br>signin();<br>?>

Test result: ab -n 10000 -c 50 The result is 1047.23/rps

Class Class

Do not instantiate the class

<?php <br>class User{<br>function signin(){<br>echo "test";<br>}<br>} <br>User::signin();<br>?>

Test result: ab -n 10000 -c 50 The result is 1034.98/rps

Instantiated class

<?php <br>class User{<br>function signin(){<br>echo "test";<br>}<br>}<br>$user=new User();<br>$user->signin();<br>?>

Test result: The result of ab -n 10000 -c 50 is 1006.14/rps

Inheritance of class

<?php <br>class AUser{<br>function signin(){}<br>}<br>claāss User extends Auser{<br>function signin(){<br>echo "test";<br>}<br>}<br>$user=new User();<br>$user->signin();<br>?>

Test result: ab -n 10000 -c 50 The result is 992.95/rps

PHP 5.2.1 Test results

Function

<?php <br>function signin(){<br>echo "test";<br>}<br>signin();<br>?>

Test results: The result of ab -n 10000 -c 50 is 1176.06/rps

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http://www.bkjia.com/PHPjc/446793.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/446793.htmlTechArticlePHP 4 will no longer be supported by PHP Group by the end of 2007, so in order to give everyone more confidence to move to the PHP 5 platform, I specially did this test to see if our PHP 4.x is really...