How to add php echo within echo shortcode in Wordpress

Question

I'm trying to use an image for my title using the jQuery Collapse-O-Matic plugin, however I am using the do_shortcode echo and am stumbling a bit on how to add an echo within an echo. I've tried a few options including the Heredoc method but I am not sure how to implement with my particular code.

I've added my code below, can anyone point me in the right direction? All and any help is appreciated, thanks!

<?php echo do_shortcode('[expand title="<img src='<?php echo get_template_directory_uri(); ?>/img/schedule.png' />" trigpos="below"]this is content..this is content..this is content..this is content..this is content..this is content..this is content..this is content..this is content..this is content..this is content..[/expand]'); ?>

that'll never work. echo performs output immediately. you probably do do_shortcode('...' . get_template_director() . '...') instead. No echo at all. just call the function and concatenate the results. — Marc B
– Marc B, Commented Jul 7, 2014 at 16:58

Gergo Erdosi · Accepted Answer · 2014-07-07 17:21:50Z

6

You don't need to use echo inside the <img> tag. The string returned by get_template_directory_uri() will be concatenated. Use this code:

<?php echo do_shortcode('[expand title="<img src=\''.get_template_directory_uri().'/img/schedule.png\' />"

Edit: For more information refer to Strings in the manual. In this case you can think about the function call like a variable. You could write the code this way:

$uri = get_template_directory_uri();
echo '<img src=\''.$uri.'/img/schedule.png\' />';

But instead of using a variable, you can call the function directly in the echo statement.

echo '<img src=\''.get_template_directory_uri().'/img/schedule.png\' />';

This statement can be divided into three parts:

'<img src=\'': This is a string literal.
get_template_directory_uri(): This is a function which returns a string.
'/img/schedule.png\' />': This is another string literal.

The dots (.) concatenate these three parts into a string which is then printed by echo. See String Operations for more details.

edited Jul 7, 2014 at 17:21

answered Jul 7, 2014 at 16:59

Gergo Erdosi

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1 Comment

user2105735 Over a year ago

Awesome, huge help! Thank you for the lesson, learned a lot here!

Zemistr · Accepted Answer · 2014-07-07 16:59:11Z

1

Try this:

<?php echo do_shortcode('[expand title="<img src=\''. get_template_directory_uri() .'/img/schedule.png\' />" trigpos="below"]this is content..this is content..this is content..this is content..this is content..this is content..this is content..this is content..this is content..this is content..this is content..[/expand]'); ?>

answered Jul 7, 2014 at 16:59

Zemistr

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1 Comment

user2105735 Over a year ago

Awesome, thanks guys! I had to remove the second single quote after the image but that did the trick! Is this just a form of "minimizing" php? I am no PHP expert so I really appreciate all the help, self teaching over here! :)

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