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decimal_to_binary

Language/Type: PHP parameters while loops mod binary
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Write a function named decimal_to_binary that accepts an integer as a parameter and returns an integer whose digits look like that number's representation in binary (base-2). For example, the call of decimal_to_binary(43) should return 101011.

Constraints:

  • Do not use a string in your solution.
Function: Write a PHP function as described, not a complete program.

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