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| -rw-r--r-- | php.html.markdown | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/php.html.markdown b/php.html.markdown index e81b88fd..5f5a4b54 100644 --- a/php.html.markdown +++ b/php.html.markdown @@ -9,7 +9,7 @@ filename: learnphp.php This document describes PHP 5+. ```php -<?php // PHP code must be enclosed with <?php ? > tags +<?php // PHP code must be enclosed with <?php ?> tags // If your php file only contains PHP code, it is best practise // to omit the php closing tag. @@ -101,6 +101,21 @@ echo 'This string ' . 'is concatenated'; /******************************** + * Constants + */ + +// A constant is defined by using define() +// and can never be changed during runtime! + +// a valid constant name starts with a letter or underscore, +// followed by any number of letters, numbers, or underscores. +define("FOO", "something"); + +// access to a constant is possible by direct using the choosen name +echo 'This outputs '.FOO; + + +/******************************** * Arrays */ |