Concatenation of two strings in PHP
There are two string operators. The first is the concatenation operator (‘.‘), which returns the concatenation of its right and left arguments. The second is the concatenating assignment operator (‘.=‘), which appends the argument on the right side to the argument on the left side.
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Input : string1: Hello string2 : World! Output : HelloWorld! Input : string1: geeksfor string2: geeks Output : geeksforgeeks
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Code #3 :