Day 1 - PHP BASICS part III - Anatomy of a PHP Script

Resume

The Anatomy of a PHP script is formed by a serie of elements between highlight the next:

Comments

PHP offer different ways of to comment a code line in you script.

You can to comment a single line in shell style:

<?php
#This is a shell style comment
echo "hellow world!!!" ;
?>

You too, can to comment a single line in C style:

<?php
//This is a C style comment
echo "hellow world!!!" ;
?> 

Or you can to comment a lot of lines in you code in the next way:

<?php
/* This is a multi line comment
that we would can to use!!!
*/
echo "hellow world!!!" ;
?>

White spaces

PHP is a white spaces insensitive language that let us to use the spaces that we needed, except that definition for some cases.

Code Block

All code into a function, condition or loop that is formed for more one statement will need to use branches, for example:

<?php
if(x == 1 ){
echo "hellow world!!!" ;
}else{
echo "nothing";
}
?>

Language Construct

They are all function own of the language.

Lab Practices

In developing...