无法在php套接字中循环

while looping the client socket array, if the socket is echoed as is, it displays "resource id# 23" etc etc different resources for each client, but when the socket_write function is called to write the same echo message in each loop, the write function fails, and only one of the clients get the message written( ders an input box, if u give an input and submit, it goes to socket server and writes d message for all clients)while looping the client socket array, if the s