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Hello World In PHP

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The first program in any programming language is  "Hello World",  here i will write a small PHP program and explain about it.

.................................................................................
<?php

echo "This is my hello world program";

?>
..................................................................................
Output- This is my hello world program
_________________________________________________________________________________
     Description-  Here  <?php  ------------------> Starting PHP Tag
                                         <?------------------------> Ending PHP Tag
                                         echo----------------------> Works a output function.

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