How to concatenate variable and string in following scenario in PHP?
问题 I've following PHP code: <?php $rebate_no = 2; echo "<table id='blacklistgrid_$rebate_no' class='table table-bordered table-hover table-striped blacklistgrid'> <tr id='reb$rebate_no_1'> <td> <div class='btn-group'> <select name='product_id_$rebate_no[1]' id='product_id_$rebate_no_1' class='form-control prod_list'> <option value='1'>Alabama</option> <option value='2'>Alaska</option> <option value='3'>Arizona</option> <option value='4'>Arkansas</option> <option value='5'>California</option> <