PHP Display comma after each variable if variable is not empty -


how display comma after each variable if variable not empty.

<?php echo $city; ?>, <?php echo $province(); ?>, <?php echo $postalcode(); ?>, <?php echo $country(); ?>

another way put them inside array in conjunction array_filter clean out empty strings , implode them:

$vars = array_filter(array($city, $province, $postalcode, $country)); echo implode(',', $vars);

sidenote: if want treat empty spaces also, map out trim on elements, filter:

$test = array_filter(array_map('trim', array('1', ' ', 'test')));                                               //   ^ single space

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