raspisms/controllers/internals/Templating.php

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<?php
/*
* This file is part of RaspiSMS.
*
* (c) Pierre-Lin Bonnemaison <plebwebsas@gmail.com>
*
* This source file is subject to the GPL-3.0 license that is bundled
* with this source code in the file LICENSE.
*/
namespace controllers\internals;
/**
* Templating questions relative class
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* Not a standard controller as it's not linked to a model in any way.
*/
class Templating
{
/**
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* Twig environment.
*/
private $sandbox;
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public function __construct()
{
$tags = [
'if',
'for',
'apply',
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'set',
];
$filters = [
'abs', 'capitalize', 'country_name', 'currency_name',
'currency_symbol', 'date', 'date_modify', 'default', 'escape',
'first', 'format', 'format_currency', 'format_datetime',
'format_number', 'join', 'json_encode', 'keys', 'language_name',
'last', 'length', 'locale_name', 'lower', 'number_format',
'replace', 'reverse', 'round', 'slice',
'sort', 'spaceless', 'split', 'timezone_name',
'title', 'trim', 'upper', 'url_encode',
];
$methods = [];
$properties = [];
$functions = [
'date', 'max', 'min', 'random',
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'range',
];
$policy = new \Twig\Sandbox\SecurityPolicy($tags, $filters, $methods, $properties, $functions);
$this->sandbox = new \Twig\Extension\SandboxExtension($policy, true);
}
/**
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* Render a string as a twig template.
*
* @param string $template : Template string
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* @param array $data : Data to pass to the template
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*
* @return array : keys, success, error, result
*/
public function render(string $template, array $data = [])
{
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try
{
$loader = new \Twig\Loader\ArrayLoader([
'template' => $template,
]);
$twig = new \Twig\Environment($loader, [
'debug' => false,
'charset' => 'utf-8',
'cache' => false,
'auto_reload' => false,
'strict_variables' => false,
'autoescape' => false,
'optimizations' => -1,
]);
$twig->addExtension($this->sandbox);
$result = $twig->render('template', $data);
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return [
'success' => true,
'result' => $result,
];
}
catch (\Exception $e)
{
return [
'success' => false,
'result' => $e->getMessage(),
];
}
}
}