Socket Type Constants : socket_create « Network « PHP






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  3. socket_create

Socket Type Constants

 
SOCK_STREAM        A sequenced and reliable bidirectional connection-based stream. Most common in use. 
 
SOCK_DGRAM         An unreliable, connectionless socket that transmits data of a fixed length. Very good for streaming of data where reliability is not a concern.
 
SOCK_SEQPACKET     Similar to stream sockets, except data is transmitted and received in fixed-length packets.
 
SOCK_RAW           A raw socket connection, useful for performing ICMP (Internet Control Message Protocol) operations such as traces, pings, and so on.
 
SOCK_RDM           A reliable but unsequenced socket similar to that of SOCK_DGRAM.








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