Here you will learn the basics of PHP, just simple items that relates to everyday scripts.

Comments Tags
Using comments in script is very helpful, for anyone else and yourself . Its to help you remember what that part of the script does.

Here are three types of comment tags.
[php]
/* Comments in here */

# Comment per line

// Comment per line

[/php]
The first tag /* */ can cover multiple lines, unlike the other two which only cover one line.

Comments in action
[php]
<?
/*
** Comment in testing!!!
** Created by: kambodianboi
*/

# Generate a random number!
$rand = rand(1,20);

// Process and loop, at the same time, count to that random number!
for($i=0;$i<$rand;$i++)
{
if($i != $rand-1)
{
echo $i."<br/>";
}
else
{
echo "Yah! The random number was ".$i;
}
}
?>
[/php]
*Summary: All comments made in a script is not processed by the PHP engine only used for author purpose.

Handling Errors
Here you will learn on how to handle an error, when processing a script. Lucky for PHP it will display an error report, if there was an error in the script.

For example:
[php]
<?
if(1=$i)
{
$action = "go"
}
?>
[/php]
The output will be an error, displaying
Its saying there is an error on line 2, now we go back and check it out. Line 2 has this part of the code
[php]
if(1=$i)
[/php]
Now we should work with this part, well to actually fix and error you have to know more actions and functions, but as a basic, varibles $i must always be first to be given a value.

Proper way is:
[php]
if($i=1)
[/php]
$i is now 1.

After you change it to the proper way; Now process the script, it will give you another error.

Now on line 5 has:
[php]
$action = "go"
[/php]
Something you should know, when a varible is given a value and is not use in the IF phase, it MUST have an end bracket ;

Proper way:
[php]
$action = "go";
[/php]
Ok, not change that and process it.

Final correct script will look like this.
[php]
<?
if($i=1)
{
$action = "go";
}
?>
[/php]


Stay tuned for more tutorials
-Kambodianboi

*Note: I would make some PHP tutorial videos, but my vocal translation isn't the best.

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