fix(guide): move guide to english directory
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mrugesh mohapatra
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75
client/src/pages/guide/english/php/php-syntax/index.md
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75
client/src/pages/guide/english/php/php-syntax/index.md
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---
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title: PHP Syntax
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---
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# Basic PHP Syntax
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### Start
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All PHP files are saved by the extension ` .php `. PHP scripts can be added anywhere in the document. A PHP script starts with ` <?php ` and ends with ` ?> `.
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` <?php //PHP code goes here ?> `
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### Print
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To print any statement in PHP we use ` echo ` command.
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#### Code sample
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```
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<!DOCTYPE html>
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<html>
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<body>
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<h1>My first PHP page</h1>
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<?php
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echo "Hello World!";
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?>
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</body>
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</html>
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```
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##### NOTE: PHP statements ends with semicolon `;`
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### Declaring Variables
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We declare variables in PHP by adding dollar `$` sign before them.
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```
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<?php
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$x = 5;
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echo $x;
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?>
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```
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### Comments in PHP
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To write a single line comment in PHP we put hashtag `#` or by putting `//` before the comment.
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```
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<?php
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# This is a single line comment
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// This is also a single line comment
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?>
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```
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To write a double line comment we start the comment with `/*` and end with `*/`.
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```
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<?php
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/* This is a
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Double line comment. */
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?>
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```
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We can also comment out some parts of the code line.
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#### Code Sample
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```
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<!DOCTYPE html>
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<html>
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<body>
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<?php
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// You can also use comments to leave out parts of a code line
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$x = 5 /* + 15 */ + 5;
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echo $x;
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?>
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</body>
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</html>
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```
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You can see more about this on [PHP Manual](http://php.net/manual/en/)
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