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<?php $template = "select emp.* from employee emp" . " join departments dep on emp.id_department = dep.id" . " @{where}" . " @{order}" . " limit :limit offset :offset"; echo $template; $pattern = '/[^\\$]\\@\\{(\\w+)\\}/'; preg_match_all($pattern, $template, $matches); var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
select emp.* from employee emp join departments dep on emp.id_department = dep.id @{where} @{order} limit :limit offset :offsetarray(2) { [0]=> array(2) { [0]=> string(9) " @{where}" [1]=> string(9) " @{order}" } [1]=> array(2) { [0]=> string(5) "where" [1]=> string(5) "order" } }

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