http://www.prozero.fr/programmation/php/php-creer-un-minichat.html

https://openclassrooms.com/courses/un-chat-en-php-ajax

http://ajaxload.info/

https://github.com/Frug/AJAX-Chat

http://tutorialzine.com/2010/10/ajax-web-chat-php-mysql/

https://frug.github.io/AJAX-Chat/

https://subinsb.com/group-chat-in-php-with-ajax-jquery-mysql

http://www.php-development.ru/javascripts/ajax-chat.php   super

http://christele.developpez.com/tutoriels/ajax/ajax-en-clair/

https://www.script-tutorials.com/how-to-easily-make-ajax-style-php-chat-application/

http://www.zirolis.com/tuto-u/Cr%C3%A9er%20un%20Chat%20en%20Ajax%20avec%20PHP%20et%20JQuery-43

http://www.ibm.com/developerworks/library/x-ajaxxml8/

https://www.script-tutorials.com/powerful-chat-system-lesson-9/   bien

https://www.script-tutorials.com/creating-advance-level-login-system-with-logic-captcha/

http://www.webestools.com/scripts_tutorials-code-source-15-personal-message-system-in-php-mysql-pm-system-private-message-discussion.html

http://php.resourceindex.com/programs_and_scripts/chat/



