How Can Blade Templates Be Compiled from Strings in Laravel?
Oct 22, 2024 pm 12:03 PM
Compiling Blade Templates from Strings
In Laravel, a popular web application framework, Blade is the default template engine. Typically, Blade views are stored in view files. However, a question arose regarding the possibility of compiling Blade templates from strings rather than view files.
The provided code demonstrates an attempt to compile a Blade template from a string:
<code class="php">$string = '<h2>{{ $name }}</h2>';
echo Blade::compile($string, array('name' => 'John Doe'));</code>
To extend the functionality of BladeCompiler, a custom BladeCompiler class was created. The new compileWiths() method takes a string and an array of arguments as inputs. It compiles the string, extracts the passed arguments, and evaluates the compiled code within an exception handler.
The updated code below shows the implementation:
<code class="php">namespace Laravel\Enhanced;
use Illuminate\View\Compilers\BladeCompiler as LaravelBladeCompiler;
class BladeCompiler extends LaravelBladeCompiler {
/**
* Compile blade template with passing arguments.
*
* @param string $value HTML-code including blade
* @param array $args Array of values used in blade
* @return string
*/
public function compileWiths($value, array $args = array())
{
$generated = parent::compileString($value);
ob_start() and extract($args, EXTR_SKIP);
// We'll include the view contents for parsing within a catcher
// so we can avoid any WSOD errors. If an exception occurs we
// will throw it out to the exception handler.
try
{
eval('?>'.$generated);
}
// If we caught an exception, we'll silently flush the output
// buffer so that no partially rendered views get thrown out
// to the client and confuse the user with junk.
catch (\Exception $e)
{
ob_get_clean(); throw $e;
}
$content = ob_get_clean();
return $content;
}
}</code>The above is the detailed content of How Can Blade Templates Be Compiled from Strings in Laravel?. For more information, please follow other related articles on the PHP Chinese website!
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