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<?php $x = '{date:Ymd:-4 day}trac{date2:Ymd:-1 day}king{date:Ymd:-1 day}'; $m = array(); preg_match_all('|\{([^\}]+)\}|', $x, $m); var_dump($m);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.2.18, 8.3.0 - 8.3.7
array(2) { [0]=> array(3) { [0]=> string(17) "{date:Ymd:-4 day}" [1]=> string(18) "{date2:Ymd:-1 day}" [2]=> string(17) "{date:Ymd:-1 day}" } [1]=> array(3) { [0]=> string(15) "date:Ymd:-4 day" [1]=> string(16) "date2:Ymd:-1 day" [2]=> string(15) "date:Ymd:-1 day" } }

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