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<?php $url = "www.example.com/?foo={foo}&test={test}"; parse_str(parse_url($url, PHP_URL_QUERY), $assocArray); $values = array_map(function($v) {return trim($v, '{}');}, array_values($assocArray)); var_export($values); echo "\n---\n"; var_export(preg_match_all('~\{\K[^}]*~', $url, $matches) ? $matches[0] : []); echo "\n---\n"; var_export(preg_split('~(?:(?:^|})[^{]*{)|}[^{]*$~', $url, 0, PREG_SPLIT_NO_EMPTY));
Output for 7.1.25 - 7.1.30, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array ( 0 => 'foo', 1 => 'test', ) --- array ( 0 => 'foo', 1 => 'test', ) --- array ( 0 => 'foo', 1 => 'test', )

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