concating 2 strings .

implode function and . operator are used to represent an array into string and concate 2 strings. lets see a zend mock question in this regards.

Question :

Given the two values below, which of the following possiblities will print 10 foos20 bars?



Answer: (choose 2)

1. None of the above
2. implode("", array($var1,$var2));
3. $var1 . $var2
4. $var1 + $var2
this will produce 30.
5. All of the above
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