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<?php
/**
* Created by PhpStorm.
* User: lrlopez
* Date: 24/8/17
* Time: 15:54
*/
namespace AppBundle\Twig;
class HighlightFilter extends \Twig_Extension
{
public function getFilters()
return array(
new \Twig_SimpleFilter('highlight', [$this, 'highlight'], ['pre_escape' => 'html', 'is_safe' => ['html']]),
);
}
public function highlight($string, $needle, $class = 'highlight')
if (null === $needle || '' === $needle) {
return $string;
$needle = preg_quote($needle, '/');
$replacements = [
'a' => '[áa]', 'e' => '[ée]', 'i' => '[íi]', 'o' => '[óo]', 'u' => '[úu]',
'A' => '[ÁA]', 'E' => '[ÉE]', 'I' => '[ÍI]', 'O' => '[ÓO]', 'U' => '[ÚU]',
'n' => '[ñn]', 'N' => '[ÑN]'
];
$needle = str_replace(array_keys($replacements), $replacements, $needle);
return preg_replace("/(".$needle.")/ui", '<span class="'.htmlentities($class).'">\\1</span>', $string);
iesoretania /
atica-ng
