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The echo statement is one of several facilities PHP provides to output text. ... meaning that it can be stored in a variable, ... Example output of the phpinfo ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 15 January 2025. Letter names for unambiguous communication Not to be confused with International Phonetic Alphabet. Alphabetic code words A lfa N ovember B ravo O scar C harlie P apa D elta Q uebec E cho R omeo F oxtrot S ierra G olf T ango H otel U niform I ndia V ictor J uliett W hiskey K ilo X ray L ...
The response "Roger" for "· – ·" or "R", to mean "received", also derives from this alphabet. The names Able to Fox were also widely used in the early days of hexadecimal digital encoding of text, for speaking the hexadecimal digits A to F (equivalent to decimal 10 to 15), although the written form was simply the capital letters A to F.
echo began within Multics.After it was programmed in C by Doug McIlroy as a "finger exercise" and proved to be useful, it became part of Version 2 Unix. echo -n in Version 7 replaced prompt, (which behaved like echo but without terminating its output with a line delimiter).
The Echo Protocol is a service in the Internet Protocol Suite defined in 1983 in RFC 862 by Jon Postel. It was originally proposed as a way to test and measure an IP network. A host may connect to a server that supports the Echo Protocol using the Transmission Control Protocol (TCP) or the User Datagram Protocol (UDP) on the well-known port ...
Without ECN, congestion indication echo is achieved indirectly by the detection of lost packets. With ECN, the congestion is indicated by setting the ECN field within an IP packet to CE (Congestion Experienced) and is echoed back by the receiver to the transmitter by setting proper bits in the header of the transport protocol.
Star of Life. The Medical Priority Dispatch System (MPDS), sometimes referred to as the Advanced Medical Priority Dispatch System (AMPDS) is a unified system used to dispatch appropriate aid to medical emergencies including systematized caller interrogation and pre-arrival instructions.
Echo, echo, echo is the code for a possible collision with another ship or the shore aboard Royal Caribbean ships, or if the ship is starting to drift. [1] On board some cruise lines this means danger of high winds while at port. It alerts the crew responsible for the gangway, thrusters etc. to get into position and be ready for new maneuvers.