Syntax
1.<?2.define("CONSTANT", "value");3. 4.echo CONSTANT;5.?>Sample
01.<?php02.define("CONSTANT", "Hello world.");03.echo CONSTANT."<br>"; // outputs "Hello world."04.echo Constant."<br>"; // outputs "Constant" and issues a notice.05. 06.define("GREETING", "Hello you.", true);07.echo GREETING."<br>"; // outputs "Hello you."08.echo Greeting."<br>"; // outputs "Hello you."09.?>
Screenshot
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