Software programing

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አስገራሚ የሀኪንግ እውነታዎች -በየ 39 ሰከንዶቹ የሀከር ጥቃት አለ። -የሩሲያ ሀከሮች በጣም ፈጣን ናቸው። -በየቀኑ 300,000 አዳዲስ ቫይረሶች ይፈጠራሉ። -የሳይበር ወንጀል ከዓለም አቀፍ ሕገ-ወጥ የአደንዛዥ ዕፅ ንግድ የበለጠ ትርፋማ ነው። -ሀከሮች በየሴኮንዱ 75 ሪከርዶችን ይሰርቃሉ፡፡ -በአሜሪካ ውስጥ የሳይበር ደለል በጀት በ 2019 14.98 ቢሊዮን ዶላር ነው ፡፡ -ኩባንያዎች ካሏቸው ፋይሎች ውስጥ 3% ብቻውን ነው መከላከል የሚችሉት።

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ting = "Welcome to PHP!"; Expressions are combinations of tokens The smallest building blocks of PHP are the indivisible tokens, such as numbers (3.14159), strings (.two.), variables ($two), constants (TRUE), and the special words that make up the syntax of PHP itself like if, else, while, for and so forth Braces make blocks Although statements cannot be combined like expressions, you can always put a sequence of statements anywhere a statement can go by enclosing them in a set of curly braces. Here both statements are equivalent − if (3 == 2 + 1)    print("Good - I haven't totally lost my mind.<br>");    if (3 == 2 + 1) {    print("Good - I haven't totally");    print("lost my mind.<br>"); } Running PHP Script from Command Prompt Yes you can run your PHP script on your command prompt. Assuming you have following content in test.php file <?php    echo "Hello PHP!!!!!"; ?> Now run this script as command prompt as follows − $ php test.php It will produce the following result − Hello PHP!!!!! Hope now you have basic knowledge of PHP Syntax. @software_programming1  

PHP Syntax Overview This chapter will give you an idea of very basic syntax of PHP and very important to make your PHP foundation strong. Escaping to PHP The PHP parsing engine needs a way to differentiate PHP code from other elements in the page. The mechanism for doing so is known as 'escaping to PHP'. There are four ways to do this − Canonical PHP tags The most universally effective PHP tag style is − <?php...?> If you use this style, you can be positive that your tags will always be correctly interpreted. Short-open (SGML-style) tags Short or short-open tags look like this − <?...?> Short tags are, as one might expect, the shortest option You must do one of two things to enable PHP to recognize the tags − ·        Choose the --enable-short-tags configuration option when you're building PHP. ·        Set the short_open_tag setting in your php.ini file to on. This option must be disabled to parse XML with PHP because the same syntax is used for XML tags. ASP-style tags ASP-style tags mimic the tags used by Active Server Pages to delineate code blocks. ASP-style tags look like this − <%...%> To use ASP-style tags, you will need to set the configuration option in your php.ini file. HTML script tags HTML script tags look like this − <script language="PHP">...</script> Commenting PHP Code A comment is the portion of a program that exists only for the human reader and stripped out before displaying the programs result. There are two commenting formats in PHP − Single-line comments − They are generally used for short explanations or notes relevant to the local code. Here are the examples of single line comments. <?    # This is a comment, and    # This is the second line of the comment       // This is a comment too. Each style comments only    print "An example with single line comments"; ?> Multi-lines printing − Here are the examples to print multiple lines in a single print statement − <?    # First Example    print <<<END    This uses the "here document"syntax to output    multiple lines with $variable interpolation. Note    that the here document terminator must appear on a    line with just a semicolon no extra whitespace!    END;       # Second Example    print "This spans    multiple lines. The newlines will be    output as well"; ?> Multi-lines comments − They are generally used to provide pseudocode algorithms and more detailed explanations when necessary. The multiline style of commenting is the same as in C. Here are the example of multi lines comments. <?    /* This is a comment with multiline       Author : Mohammad Mohtashim       Purpose: Multiline Comments Demo       Subject: PHP    */       print "An example with multi line comments"; ?> PHP is whitespace insensitive Whitespace is the stuff you type that is typically invisible on the screen, including spaces, tabs, and carriage returns (end-of-line characters). PHP whitespace insensitive means that it almost never matters how many whitespace characters you have in a row.one whitespace character is the same as many such characters. For example, each of the following PHP statements that assigns the sum of 2 + 2 to the variable $four is equivalent − $four = 2 + 2; // single spaces $four <tab>=<tab2<tab>+<tab>2 ; // spaces and tabs $four = 2+ 2; // multiple lines PHP is case sensitive Yeah it is true that PHP is a case sensitive language. Try out following example − <html>    <body>             <?php          $capital = 67;          print("Variable capital is $capital<br>");          print("Variable CaPiTaL is $CaPiTaL<br>");       ?>          </body> </html> This will produce the following result − Variable capital is 67 Variable CaPiTaL is Statements are expressions terminated by semicolons A statement in PHP is any expression that is followed by a semicolon (;).Any sequence of valid PHP statements that is enclosed by the PHP tags is a valid PHP program. Here is a typical statement in PHP, which in this case assigns a string of characters to a variable called $greeting − $gree

PHP Introduction PHP started out as a small open source project that evolved as more and more people found out how useful it was. Rasmus Lerdorf unleashed the first version of PHP way back in 1994. ·        PHP is a recursive acronym for "PHP: Hypertext Preprocessor". ·        PHP is a server side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites. ·        It is integrated with a number of popular databases, including MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server. ·        PHP is pleasingly zippy in its execution, especially when compiled as an Apache module on the Unix side. The MySQL server, once started, executes even very complex queries with huge result sets in record-setting time. ·        PHP supports a large number of major protocols such as POP3, IMAP, and LDAP. PHP4 added support for Java and distributed object architectures (COM and CORBA), making n-tier development a possibility for the first time. ·        PHP is forgiving: PHP language tries to be as forgiving as possible. ·        PHP Syntax is C-Like. https://t.me/software_programming1

Hey pals We all know that what gives the website functionality is well written php code.

✅12 Reasons Why You should learn Python in 2019 ⏰15 Minutes Reading Share if you like it https://telegra.ph/12-Reasons-you-should-learn-Python-11-25

What gives a life for your website is how you use your javaScript skill with creativity and how you use images. It is true that using image in your page is good but using too much may take time to load the page. So DON'T USE TOO MUCH IMAGES IN YOUR WEBSITE is one principle. @software_programming1

✅What is HTTP? ▶️HTTP stands for hyper text Transfer Protocol ▶️WWW stands for World Wide Web ▶️The World Wide Web is about communication between web clients and web servers. ▶️ Communication between client computers and web servers is done by sending HTTP Requests and receiving HTTP Responses ▶️Clients are often browsers (Chrome, Edge, Safari), but they can be any type of program or device. ▶️ Servers are most often computers in the cloud. ✅Communication between clients and servers is done by requests and responses: 1. A client (a browser) sends an HTTP request to the web 2. An web server receives the request 3. The server runs an application to process the request 4.The server returns an HTTP response (output) to the browser 5.The client (the browser) receives the response.

✅ What is Web Development? ✔️ Web programming, also known as web development, is the creation of dynamic web applications. ✔️Examples of web applications are social networking sites like ✔️Instagram, ✔️Telegram, ✔️Twitter,  ✔️Facebook or  ✔️e-commerce sites like Amazon, eBuy and Alibaba, etc. ✅Build website using HTML and CSS ➡️What is HTML? ✔️HTML is the standard markup language for creating Web pages. ✔️HTML stands for Hyper Text Markup Language ✔️It is used to design web pages using markup language. ✔️HTML is the combination of Hypertext and Markup language. ✔️ HTML is a markup language which is used by the browser to manipulate text, images and other content to display it in required format. ✔️Hypertext defines the link between the web pages. ✔️Markup language is used to define the text document within tag which defines the structure of web pages. ======================== ✅ What is CSS? ✔️css stands for cascading style sheet. ✔️ It is the language for describing the presentation of Web pages, including colors, layout, and fonts. ✔️ It allows one to adapt the presentation to different types of devices, such as large screens, small screens, or printers. ✔️CSS is independent of HTML and can be used with any XML based markup language. ✔️The separation of HTML from CSS makes it easier to maintain sites, share style sheets across pages, and tailor pages to different environments. ✔️This is referred to as the separation of structure (or: content) from presentation. ➡️N.B: This is an introduction about web development. You can learn web development from beginners to Advanced level. 👉👉Next time I will present about Client and server, and little bit about HTTP.