freeCodeCamp/guide/spanish/php/basic-syntax/index.md

45 lines
1.1 KiB
Markdown
Raw Normal View History

2018-10-12 19:37:13 +00:00
---
title: Basic Syntax
localeTitle: Sintaxis basica
---
# Sintaxis basica
Un script PHP se puede colocar en cualquier parte del documento.
Un script PHP comienza con `<?php` y termina con `?>`
A continuación, tenemos un ejemplo de un archivo PHP simple, con un script PHP que utiliza una función de PHP "echo" para generar el texto "Hello World!" en una página web
\`\` \`\`
# Mi primera página PHP
```
The output of that would be :
```
Mi primera página PHP
Hola Mundo!
```
#### Note: PHP statements end with a semicolon (;).
# Comments in PHP
PHP supports several ways of commenting:
```
```
# PHP Case Sensitivity
In PHP, all keywords (eg if, else, while, echo, etc.), classes, functions, and user-defined functions are NOT case-sensitive.
In the example below, all three echo statements below are legal (and equal):
```
```
### However; all variable names are case-sensitive.
In the example below, only the first statement will display the value of the $color variable (this is because $color, $COLOR, and $coLOR are treated as three different variables):
```
\`\` \`\`