php -leeson -3
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variable is used to store value
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var uname="user";
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javascript
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$uname = 'sameer';
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single quotes or double quotes
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there is no space immediate of dollar sign
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print the variable value using echo
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<?php
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$username= "vamsi";
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string is declared in double quotes
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echo $username;
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?>
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types of variable
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sring and number variable
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<?php
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$x= 150;
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$y= 250;
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number is declared withoput
quotes
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$z = $x+ $y;
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echo $z;
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$z
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?>
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echo "$z";
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400
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echo 'the result is :';
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the result is: 400
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echo "$z";
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| whats the use of variable |
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| how to declare variable in php |
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| types of variables |
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| how to print the numbher |
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