PHP - Operators
Which of the following PHP statements correctly concatenates the variables
$first and $last?Which of the following PHP statements correctly concatenates the variables $first and $last?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify concatenation syntax
PHP concatenates strings using the dot (.) operator.Step 2: Evaluate options
echo $first . $last; uses dot correctly; B uses plus (numeric addition), C uses bitwise AND, D uses comma (argument separator).Final Answer:
echo $first . $last; -> Option AQuick Check:
Dot operator concatenates strings [OK]
Quick Trick: Use dot (.) to join strings in PHP [OK]
Common Mistakes:
- Using + for string concatenation
- Using & instead of .
- Using comma to join strings
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