This class provides routine for HTML pages generation. Works fast and quite simple in use.

It is a part of Mezon Framework and used in the Application class

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Installation

Just type

composer require mezon/html-template

Usage

Paths to template files

First of all you need to create object.

use Mezon\HtmlTemplate\HtmlTemplate;

$template = new HtmlTemplate('./main-template/');

This code assumes that you have all template resources in the directory ./main-template/.

But you can also specify a list of paths, and while template compilation they all will be scanned for template files.

$template = new HtmlTemplate(['./main-template/', './extra-files/res/']);

No need to specify all paths in the constructor. You can do it later with methods:

$template = new HtmlTemplate('./main-template/');
$template->addPaths(['./path1', './path2']);

But be carefull if you have static files with the same names on different paths. While compilation the file on the latest added path will be used. It was done so to create a sort of overriding mechanism for template resources.

Or you can completely reset all paths:

$template->setPaths(['./path1', './path2']);

And view a list of paths:

var_dump($template->getPaths());

Setup layout

You can have different layouts for your pages:

$template = new HtmlTemplate(%template-sources%, 'index');
// or 'form' instead of 'index', or '404', or '403' etc.

Layout will let you to define different templates for your different purposes.

You can create in your template as much layouts as you need. Just add files:

%template-sources%/Res/Templates/infex.html
%template-sources%/Res/Templates/form.html
%template-sources%/Res/Templates/404.html
%template-sources%/Res/Templates/403.html
// and so on

Setup blocks

After the layout was setup you can pass blocks to the template.

It will allow you to put different content in your layout.

For example:

$template->addBlock('hello-world');

That means that HtmlTemplate class will get the file %template-sources%/Res/Blocks/%block-name%.tpl and put instead the placeholder {%block-name%} within your layout.

But you can place the block in any placeholder you need:

HtmlTemplate::setPageVarFromBlock(string $var, string $blockName);
// here is $var is the name if your placeholder within the layout
// and $blockName is %template-sources%/Res/Blocks/$blockName.tpl

If you have $var=foo then your placeholder must be {foo}

Setting vars

You can also pass almost any data to the template

// here is $value is a scalar value or object wich implements __toString method
// and $var is a name of your placeholder within the layout
setPageVar(string $var, $value): void;

// this method can be used if you need to place file's $path content in your layout
setPageVarFromFile(string $var, string $path): void;

// you can set multyple vars with one call
// here $vars is an assoc array
setPageVars(array $vars): void;

Compile template

Just call

compile(): string

The method will return a compiled page wich you can send to user of your application.