Saved pastes by samiksha:
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<?php $array = array('25','26','26','10','24','10','26', '','');
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<?php $array = array('abc123', 'ac123', 'tbc123', '1ac123'); $key = 'abc23';
<?php $array = array('abc123', 'ac123', 'tbc123', '1ac123'); $key = 'abc123';