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These are the extreme basics... good for if this is your very very first time trying to learn php
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First off, all the PHP code goes between two php tags: <?php and ?>. Example:
CODE
<?php
// All php coding here
?>
// All php coding here
?>
Incase you are wondering, the // before the words is so that PHP doesn't execute the words behind it as PHP, it is called commenting. There are two other ways:
- // COMMENTS
- This comments out the rest of the line from where it starts.
- Comments out from where you put it for the rest of the line
- This comments from /* until */. It doesn't comment out the rest of the line like the first two. If you don't remember the */ it will comment out the whole php script.
Now I will explain echo() and print(). What they do is print things on the page. You can use double (") or single (') quotes for either one:
CODE
<?php
echo 'This is using single qoutes.';
echo "This is using double quotes";
print "Print can do the same things";
?>
echo 'This is using single qoutes.';
echo "This is using double quotes";
print "Print can do the same things";
?>
You have to escape the same type of quote you used to echo or print whatever with a backslash (\). Here is an example:
CODE
<?php
echo 'I have to escape the character \' with a backslash.
// Above will output this data:
// I have to escape the character ' with a backslash.
?
echo 'I have to escape the character \' with a backslash.
// Above will output this data:
// I have to escape the character ' with a backslash.
?
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Now the last thing I will explain in this tutorial is strings. Strings hold data, and you can access it any time after you set it's value in the script. You do so like this:
CODE
<?php
$STRING_NAME = 'The strings data';
?>
$STRING_NAME = 'The strings data';
?>
You can use double quotes (") or single quotes ('). With double quotes you have to escape other double quotes with a backslash (\). Like this:
CODE
<?php
$STRING_NAME = "Here is a quite: \"HELLO!\"";
?>
$STRING_NAME = "Here is a quite: \"HELLO!\"";
?>
Vise versa with single quotes.
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Please post questions below.
