PHP - Variables and Data TypesWhich of the following is the correct way to declare a float variable with value 5.5 in PHP?A$num = 5,5;B$num = '5.5';C$num = 5.5;D$num = float(5.5);Check Answer
Step-by-Step SolutionSolution:Step 1: Check PHP syntax for float assignmentAssigning a float is done by directly assigning a decimal number without quotes.Step 2: Evaluate each option$num = 5.5; correctly assigns 5.5 as a float. $num = '5.5'; assigns a string, C is invalid syntax, D is not valid PHP syntax.Final Answer:$num = 5.5; -> Option CQuick Check:Correct float assignment = A [OK]Quick Trick: Assign floats without quotes in PHP [OK]Common Mistakes:Using commas instead of dotsAssigning floats as stringsUsing invalid float constructors
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