for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
declare(strict_types=1);
namespace Gnutix\Library\Twig\Extension;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
final class LibraryExtension extends AbstractExtension
{
public function getFilters(): array
return [
new TwigFilter('highlightChars', [$this, 'highlightChars'], ['is_safe' => ['html']]),
];
}
public function getName(): string
return 'gnutix_library_extension';
public function highlightChars(string $source, string $search): string
$characters = str_split($source);
$searchArray = str_split($search);
$string = '';
foreach ($characters as $character) {
$originalCharacter = $character;
$character = strtolower($character);
if (in_array($character, $searchArray, true)) {
$string .= '<strong>'.$originalCharacter.'</strong>';
unset($searchArray[array_search($character, $searchArray, true)]);
continue;
$string .= $originalCharacter;
return $string;
gnutix /
swbooks
