General PHP SYNTAX: Output $vars

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What is the name of this kind of writing? (I want to read more about this in PHP docs).
This is very good techniques for cleaner code.

[1] --------"\"--------
<?php
echo "<a title=\"{$fileName}\" ...rest of the code
?>


[2]-------dots--------
echo '<li class="' . $ni->classes . '">';

siton
 
exchangecore replied on at Permalink Reply
exchangecore
You should read overhttp://php.net/manual/en/language.types.string.php... for information on strings in PHP.

Additionally, for best practices for php you should most definitely read over the PHP Framework Interop Group's (PHP-FIG) guidelines. Many modern php applications adhere to these standards and the group is active in developing improved standards all the time (PSR-1 and PSR-2 namely for syntax/formatting guidelines)http://www.php-fig.org/