String Operator:

In PHP there are only two operators are available for strings, first one is "." operator, and another is ".= " operator. Basically both does the same but with a little difference.

First operator concatenates the first value/variable with the next one and second operator appends the argument on the right side to left side of the operator.

Example:

$a="rose";

echo "Value of a is =". $a."<br/>";

$a.="india";

echo "After concatenation:<br/>";

echo "Value of a is =". $a;

Output:

Value of a is =rose
After concatenation:
Value of a is =roseindia

Example:

$a="rose";

$b="india";

echo $a.$b;

Output:

roseindia

Example:

<?php

echo "rose"."india";

Output:

roseindia

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