decbin() – Convert Decimal to Binary in PHP
The article explains PHP’s decbin() function, detailing its purpose of converting a decimal integer (0‑4294967295) to a 32‑bit binary string, describing its parameter and return value, and providing a complete code example with expected output.
decbin() is a PHP built‑in function that returns a string containing the binary representation of a given decimal integer.
It accepts a single parameter $number (int) which must be between 0 and 4294967295; the result is a 32‑character string of 0s and 1s.
The function returns the binary string of the input number.
Example:
<?php
echo decbin(12);
echo decbin(26);
?>Output:
1100
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