Warning en php 7.3
Warning : count() : Parameter must be an array or an object that implements Countable in ecrire/public/aiguiller.php on line 235
Warning : count() : Parameter must be an array or an object that implements Countable in ecrire/public/aiguiller.php on line 249
cf https://contrib.spip.net/Le-plugin-a2a-pour-lier-des-articles#comment506401