- var_dump: documentation ( source)
- html_entity_decode: documentation ( source)
<?php
$dash = html_entity_decode('–');
$a = ["Suché {$dash} trvanlivé",
"Ovozel {$dash} chlazené",
"Mražené",
"Chlazené",
"Drogerie",
];
foreach ($a as $i) {
var_dump($i == 'Suché - trvanlivé');
}