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Unlike most of the other GMP functions, gmp_clrbit () must be called with a GMP object that already exists (using gmp_init () for example). One will not be automatically created.
Jul 11, 2025 · The gmp_clrbit () function is an in-built function in PHP which clears a bit of a GMP number (GNU Multiple Precision). The gmp_clrbit () function sets the bit at a specified index in a GMP number to 0.
Discover how to use the PHP GMP clrbit function to manipulate bits in GMP numbers effectively with examples.
Unlike most of the other GMP functions, gmp_clrbit must be called with a GMP object that already exists (using gmp_init for example). One will not be automatically created.
The gmp_clrbit() function in PHP is introduced, explaining its purpose of clearing a bit at a specified position within a GMP (GNU Multiple Precision) number. This function is essential for bitwise manipulation, allowing developers to modify specific bits within GMP numbers.
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
index The index of the bit to clear. Index 0 represents the least significant bit.
