Shulou(Shulou.com)06/03 Report--

This article mainly explains "Tips for beginners to learn PHP". Friends who are interested may wish to have a look. The method introduced in this paper is simple, fast and practical. Next let the editor to take you to learn "suitable for beginners to learn PHP tips"!

1. The learning path suitable for PHP learners:

(1) understand the basic elements of HTML/CSS/JS, web pages, and create simple web pages by yourself at the completion stage, and have a relative understanding of the characteristics of the elements.

(2) understand the concept and operation mechanism of dynamic speech, and understand the basic PHP grammar.

(3) learn how to combine PHP and HTML to complete a brief dynamic page.

(4) Touch learning MySQL, start to design the database

(5) constantly stabilize PHP syntax, understand most of the common PHP functions, understand object-oriented programming, MySQL optimization, and some templates and structures.

(6) after all, complete a fully functional dynamic site (hanjiaLi)

2. Enjoy 10 tips for optimizing the functions of PHP:

(1) foreach has higher power, so use foreach instead of while and for cycle as far as possible.

(2) do not declare variables inside the loop, especially variables such as targets.

(3) in multiple nested loops, if possible, the longest loop should be placed on the inner layer and the shortest loop on the outer layer, and then the number of times cpu across the loop layer should be reduced to optimize the function of the program.

(4) use single quotation marks instead of double quotation marks to optimize the function of PHP.

(5) replace i=i+1 with iTunes 1. It accords with the habit of cAccord plus, and the power is still high.

(6) optimize Select SQL sentences, do as few Insert and Update operations as possible, and (mountaingreataLu) achieve the intention of PHP function optimization.

(7) minimize file operations, although the file operation power of PHP is not low.

(8) use PHP internal functions whenever possible

(9) do not use regular expressions when you can manipulate functions with PHP internal strings

(10) feof, fgets, fopen, where file_get_contents can be used instead of file and a series of methods, use file_get_contents as far as possible, because its power is much higher. However, pay attention to the problem of file_get_contents 's PHP version when opening a URL file.

At this point, I believe you have a deeper understanding of the "small skills suitable for beginners to learn PHP". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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