need PHP function to echo a value when another is empty

Question

I have 2 inputs, one for username, and one for ID.

Username value: <?php echo esc_attr( get_option('username') ); ?>
ID value: <?php echo esc_attr( get_option('id') ); ?>

and a division:

<div id="info"><?php echo esc_attr( get_option('username') ); ?></div>

I want a PHP function to echo <?php echo esc_attr( get_option('ID') ); ?> in div#info ONLY IF the username field is not filled by the user.

Thank you.

P.S: Apologize if similar topics already exist, but I have looked'em up and couldn't find a straight answer for such a beginner.

if(empty....){...} else{...} or use a ternary operator which would work best. — Funk Forty Niner
– Funk Forty Niner, Commented Apr 5, 2015 at 2:30
This isn't meant to sound rude but have you applied it to your code? @Fred-ii- provided everything you need to answer your question. However it's not his job or anyone else's to write your code for you. — War10ck
– War10ck, Commented Apr 5, 2015 at 2:35
You're welcome, cheers - Ternary's one of the best thing since sliced bread ;-) — Funk Forty Niner
– Funk Forty Niner, Commented Apr 5, 2015 at 2:53

Kuldeep Dangi · Accepted Answer · 2015-04-05 02:34:42Z

2

you dont need a function a simple if else will do your job

if(empty(get_option('username')) {
    echo '<div id="info">'. esc_attr( get_option('username') ) . '</div>';
} else {
echo esc_attr( get_option('username') );
}

answered Apr 5, 2015 at 2:34

Kuldeep Dangi

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1 Comment

Ismail Over a year ago

Thank you so much, yiiframe !

Raja · Accepted Answer · 2015-04-05 02:37:30Z

2

Can go for ternary

<div id="info"><?php echo (!empty(esc_attr( get_option('username') ))) ? esc_attr( get_option('username') ) : esc_attr( get_option('id') ); ?></div>

answered Apr 5, 2015 at 2:37

Raja

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