Warning: getimagesize(): SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed in /var/www/vhosts/spacedonkey.de/httpdocs/wp-content/plugins/print-pro-matic/print-pro-matic.php on line 261

Warning: getimagesize(): Failed to enable crypto in /var/www/vhosts/spacedonkey.de/httpdocs/wp-content/plugins/print-pro-matic/print-pro-matic.php on line 261

Warning: getimagesize(https://spacedonkey.de/wp-content/uploads/2021/10/printer-24.png): Failed to open stream: operation failed in /var/www/vhosts/spacedonkey.de/httpdocs/wp-content/plugins/print-pro-matic/print-pro-matic.php on line 261

collapse-o-matic with inline link

This is an example of a collapse element with an inline link.

[expand title="this is a test with a <a href='https://plugins.twinpictures.de'>link</a>"]here is some hidden content[/expand]

the key is to use double quotes to wrap the title attribute and single quotes for the html inside the double quotes.

this is a test with a link
here is some hidden content