Which of the following is the correct syntax to print a floating-point number with 3 decimal places using printf in PHP?

easy📝 Syntax Q3 of 15

PHP - Output and String Handling

Which of the following is the correct syntax to print a floating-point number with 3 decimal places using printf in PHP?

Aprintf("%.3f", 3.14159);

Bprintf("%3f", 3.14159);

Cprintf("%f.3", 3.14159);

Dprintf("%f", 3.14159, 3);

Step-by-Step Solution

Solution:

Step 1: Understand the precision syntax in printf
%.3f means print a float with 3 digits after the decimal point.
Step 2: Check each option's syntax
printf("%.3f", 3.14159); uses %.3f correctly; others misuse the format or extra arguments.
Final Answer:
printf("%.3f", 3.14159); -> Option A
Quick Check:
%.3f formats float with 3 decimals [OK]

Quick Trick: Use %.nf to print float with n decimal places [OK]

Common Mistakes:

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