is_int           3051 ext/standard/basic_functions.c 	PHP_FE(is_int,															arginfo_is_int)
is_int           3053 ext/standard/basic_functions.c 	PHP_FALIAS(is_integer,			is_int,									arginfo_is_int)
is_int           3054 ext/standard/basic_functions.c 	PHP_FALIAS(is_long,				is_int,									arginfo_is_int)
is_int             33 ext/standard/php_type.h PHP_FUNCTION(is_int);
is_int            285 ext/standard/type.c PHP_FUNCTION(is_int)