Select your answer: 🧐

  A: bar / bar   B: foo->bar() / bar   C: () / bar   D: Parse error

Submit

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✅ { answer }: correct!

❌ { answer }: Wrong answer!

PHP variables in double-quoted strings are parse differently if they are between braces or not. Outside braces, PHP can access to properties but don't call methods. The right answer was '() / bar' because property 'bar' doesn't exists.

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Poll

• A: bar / bar - 27.3%
  percent%
• B: foo->bar() / bar - 42.4%
  percent%
• ✅ C: () / bar - 15.2%
  percent%
• D: Parse error - 15.2%
  percent%

▶  Click here to see the Twitter poll

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Going further... 🤓

• Read the "Variable variables" documentation on php.net

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