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<?php namespace Arcanesoft\Foundation\ViewComposers\System; |
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use Illuminate\View\View; |
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/** |
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* Class ServerRequirementsComposer |
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* |
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* @package Arcanesoft\Foundation\ViewComposers\System |
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* @author ARCANEDEV <[email protected]> |
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*/ |
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class ServerRequirementsComposer |
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{ |
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/* ----------------------------------------------------------------- |
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| Constants |
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| ----------------------------------------------------------------- |
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*/ |
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const VIEW = 'foundation::admin.system.information._includes.server-requirements'; |
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/* ----------------------------------------------------------------- |
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| Main Methods |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* Compose the view. |
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* |
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* @param \Illuminate\View\View $view |
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*/ |
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public function compose(View $view) |
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{ |
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$requirements['server']['ssl'] = $this->checkSslInstalled(); |
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$requirements['server']['modules'] = $this->getServerModules([ |
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'mod_rewrite', |
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]); |
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$view->with('requirements', $requirements); |
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} |
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/* ----------------------------------------------------------------- |
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| Other Methods |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* Check if SSL is installed. |
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* |
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* @return bool |
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*/ |
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private function checkSslInstalled() |
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{ |
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return (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') ? true : false; |
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} |
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/** |
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* Check the APACHE requirements. |
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* |
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* @param array $requirements |
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* |
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* @return \Illuminate\Support\Collection |
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*/ |
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private function getServerModules(array $requirements) |
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{ |
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if ( ! function_exists('apache_get_modules')) { |
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return collect([]); |
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} |
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$modules = apache_get_modules(); |
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$requirements = array_combine($requirements, $requirements); |
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return collect($requirements)->transform(function ($requirement) use ($modules) { |
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return in_array($requirement, $modules); |
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}); |
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} |
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} |
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Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArray
is initialized the first time when the foreach loop is entered. You can also see that the value of thebar
key is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.