cosh             2894 ext/standard/basic_functions.c 	PHP_FE(cosh,															arginfo_cosh)
cosh              587 ext/standard/math.c PHP_FUNCTION(cosh)
cosh              600 ext/standard/math.c 	RETURN_DOUBLE(cosh(num));
cosh               80 ext/standard/php_math.h PHP_FUNCTION(cosh);