(PHP 4 >= 4.0.4, PHP 5, PHP 7) Factorial GMP

(PHP 5, PHP 7 >= 5.6.0) Take the integer part and remainder of nth root

(PECL trader >= 0.2.0) Three Black Crows array

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Clear bit void

(PECL trader >= 0.2.0) Matching Low array

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Calculate GCD

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Set bit void

(PHP 5, PHP 7 >= 5.6.1) Export to a binary string

(PECL trader >= 0.2.0) Chande Momentum Oscillator

(PECL trader >= 0.2.0) Minus Directional Indicator