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<?php $string = "Testing (3WIR)"; $stringToArray = explode(":",str_replace("(",":(",$string)); echo '<pre>'; print_r($stringToArray);
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.26, 7.4.0 - 7.4.14, 8.0.0
<pre>Array ( [0] => Testing [1] => (3WIR) )