PHP String Concatenation

Concatenating strings, as in the example provided in the question, is a common task in coding. However, the code provided causes an error because the ' ' sign cannot be used for concatenation.

The solution is to use the '.' operator instead. Furthermore, the code was missing the increment of the variable $personCount in the loop.

The corrected code is as follows:

while ($personCount 
This code will correctly concatenate the strings and increment the $personCount variable, resulting in the desired output: "1 person 2 person 3 person..."