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PHP Error Handling and Exceptions
Section 3. Chapter 4
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Challenge: Apply Safe Execution Patterns

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Task

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Refactor the divideNumbers function to use safe execution patterns for division in PHP.

  • Validate that both numerator and denominator are numbers.
  • If either argument is not a number, throw an InvalidArgumentException.
  • If denominator is zero, throw a DivisionByZeroError.
  • If validation passes, return the result of dividing numerator by denominator.

Solution

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Section 3. Chapter 4
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