2018年1月22日 M_PI_2 :It describes π/2. Its value is 1.570796. M_PI_4:It describes π/4. Its value is 0.785398. M_1_PI :It describes 1/π. Its value is 0.318309...
M_PI = 3.14159265358979323846 // pi // The following were added in PHP 4.0.0 M_PI_2 = 1.57079632679489661923 // pi/2 M_PI_4 = 0.78539816339744830962 // pi/4 M_1_P...
M_PI = 3.14159265358979323846 // pi // The following were added in PHP 4.0.0 M_PI_2 = 1.57079632679489661923 // pi/2 M_PI_4 = 0.78539816339744830962 // pi/4 M_1_P...
Folks, PHP 5.2.4 simply doesn't work right! As mentioned, I've been using it now since version 3 and I have NEVER encountered the incredible level of frustration ...