1--TEST-- 2Math constants 3--INI-- 4precision=-1 5--FILE-- 6<?php 7$constants = array( 8 "M_E", 9 "M_LOG2E", 10 "M_LOG10E", 11 "M_LN2", 12 "M_LN10", 13 "M_PI", 14 "M_PI_2", 15 "M_PI_4", 16 "M_1_PI", 17 "M_2_PI", 18 "M_SQRTPI", 19 "M_2_SQRTPI", 20 "M_LNPI", 21 "M_EULER", 22 "M_SQRT2", 23 "M_SQRT1_2", 24 "M_SQRT3" 25); 26foreach($constants as $constant) { 27 printf("%-10s: %s\n", $constant, constant($constant)); 28} 29?> 30--EXPECT-- 31M_E : 2.718281828459045 32M_LOG2E : 1.4426950408889634 33M_LOG10E : 0.4342944819032518 34M_LN2 : 0.6931471805599453 35M_LN10 : 2.302585092994046 36M_PI : 3.141592653589793 37M_PI_2 : 1.5707963267948966 38M_PI_4 : 0.7853981633974483 39M_1_PI : 0.3183098861837907 40M_2_PI : 0.6366197723675814 41M_SQRTPI : 1.772453850905516 42M_2_SQRTPI: 1.1283791670955126 43M_LNPI : 1.1447298858494002 44M_EULER : 0.5772156649015329 45M_SQRT2 : 1.4142135623730951 46M_SQRT1_2 : 0.7071067811865476 47M_SQRT3 : 1.7320508075688772 48