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@ Added is_numeric() that returns true if the argument is a number

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@ or a numeric string. (Andrei)
This commit is contained in:
Andrei Zmievski 2000-03-16 16:02:23 +00:00
parent 033209b061
commit ddf3740cf9
2 changed files with 34 additions and 0 deletions
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33
ext/standard/basic_functions.c
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@ -270,6 +270,7 @@ function_entry basic_functions[] = {
PHP_FALIAS(is_float, is_double, first_arg_allow_ref)
PHP_FE(is_double, first_arg_allow_ref)
PHP_FALIAS(is_real, is_double, first_arg_allow_ref)
PHP_FE(is_numeric, NULL)
PHP_FE(is_string, first_arg_allow_ref)
PHP_FE(is_array, first_arg_allow_ref)
PHP_FE(is_object, first_arg_allow_ref)
@ -1126,6 +1127,38 @@ PHP_FUNCTION(is_object)
php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_OBJECT);
}
/* {{{ proto bool is_numeric(mixed value)
Returns true if value is a number or a numeric string */
PHP_FUNCTION(is_numeric)
{
zval **arg;
int result;
if (ARG_COUNT(ht) !=1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
switch ((*arg)->type) {
case IS_LONG:
case IS_DOUBLE:
RETURN_TRUE;
break;
case IS_STRING:
result = is_numeric_string((*arg)->value.str.val, (*arg)->value.str.len, NULL, NULL);
if (result == IS_LONG || result == IS_DOUBLE) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
break;
default:
RETURN_FALSE;
break;
}
}
/* }}} */
/*
1st arg = error message

1
ext/standard/basic_functions.h
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@ -77,6 +77,7 @@ PHP_FUNCTION(is_resource);
PHP_FUNCTION(is_bool);
PHP_FUNCTION(is_long);
PHP_FUNCTION(is_double);
PHP_FUNCTION(is_numeric);
PHP_FUNCTION(is_string);
PHP_FUNCTION(is_array);
PHP_FUNCTION(is_object);