Found 2 books

Realtime Web Apps · With HTML5 WebSocket, PHP, and jQuery

[en] Realtime Web Apps · With HTML5 WebSocket, PHP, and jQuery Apress

Lengstorf, Jason & Leggetter, Phil & Newman, Alex

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Realtime Web Apps

[en] Realtime Web Apps Apress

Lengstorf, Jason & Leggetter, Phil

download read it!