2016-04-06 2016 Chinese New Year is a few months. 2016 Monkey Qingming Festival holiday arrangement 2016

Source: Internet
Author: User
Data-id= "1190000004881701" >

PHP tags

    • Form One

    • Form Two

    • Form Three

This form needs to rely on a configuration in php.inishort_open_tag = On


If there is no HTML behind PHP you can omit?>

PHP Case-sensitive features

    • Variable differentiation

    • Constant distinction

    • Other do not differentiate

About semicolons

    • Every sentence should be added;

    • A PHP tag in the last sentence can not add;

    • If you omit the end tag, the last sentence cannot be omitted;

About annotations

    • Single-line Comments // or#

    • Multi-line comments/% %/


    • There is no simple definition of the situation

    • Isset determine if a variable exists

$v1 = isset($s1);  // false$s2 = 1;$v2 = isset($s2); //true
    • unset Deleting a variable

$v1 = 1;isset($v1); //trueunset($v1);isset($v1); // false

Variable names that can be used

    • Start with a letter or underscore

    • followed by any number (with 0) of letters, numbers and underscores

Naming rules

    • Camel nomenclature: The first word lowercase, followed by the first letter of each word capitalized

$name   $myName   $myFatherName
    • Pascal's nomenclature: capitalize each word in the first letter

$Name   $MyName   $MyFatherName
    • Underline segmentation: Each word is lowercase and separated by an underscore

$name   $my_name   $my_father_name

Variable-value-transfer method

Value passing

The values of two variables do not affect each other

Reference delivery

Values affect each other

$m1 = 1;$m2 = & $m1

The above describes the 2016-04-06, including 2016 aspects of the content, I hope that the PHP tutorial interested in a friend helpful.

  • Related Article

    Contact Us

    The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

    If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

    A Free Trial That Lets You Build Big!

    Start building with 50+ products and up to 12 months usage for Elastic Compute Service

    • Sales Support

      1 on 1 presale consultation

    • After-Sales Support

      24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.