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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2012 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Rasmus Lerdorf <rasmus@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#include "php_incomplete_class.h"
/* {{{ proto string gettype(mixed var)
Returns the type of the variable */
PHP_FUNCTION(gettype)
{
zval **arg;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z", &arg) == FAILURE) {
return;
}
switch (Z_TYPE_PP(arg)) {
case IS_NULL:
RETVAL_STRING("NULL", 1);
break;
case IS_BOOL:
RETVAL_STRING("boolean", 1);
break;
case IS_LONG:
RETVAL_STRING("integer", 1);
break;
case IS_DOUBLE:
RETVAL_STRING("double", 1);
break;
case IS_STRING:
RETVAL_STRING("string", 1);
break;
case IS_ARRAY:
RETVAL_STRING("array", 1);
break;
case IS_OBJECT:
RETVAL_STRING("object", 1);
/*
{
char *result;
int res_len;
res_len = sizeof("object of type ")-1 + Z_OBJCE_P(arg)->name_length;
spprintf(&result, 0, "object of type %s", Z_OBJCE_P(arg)->name);
RETVAL_STRINGL(result, res_len, 0);
}
*/
break;
case IS_RESOURCE:
{
const char *type_name = zend_rsrc_list_get_rsrc_type(Z_LVAL_PP(arg) TSRMLS_CC);
if (type_name) {
RETVAL_STRING("resource", 1);
break;
}
}
default:
RETVAL_STRING("unknown type", 1);
}
}
/* }}} */
/* {{{ proto bool settype(mixed var, string type)
Set the type of the variable */
PHP_FUNCTION(settype)
{
zval **var;
char *type;
int type_len = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Zs", &var, &type, &type_len) == FAILURE) {
return;
}
if (!strcasecmp(type, "integer")) {
convert_to_long(*var);
} else if (!strcasecmp(type, "int")) {
convert_to_long(*var);
} else if (!strcasecmp(type, "float")) {
convert_to_double(*var);
} else if (!strcasecmp(type, "double")) { /* deprecated */
convert_to_double(*var);
} else if (!strcasecmp(type, "string")) {
convert_to_string(*var);
} else if (!strcasecmp(type, "array")) {
convert_to_array(*var);
} else if (!strcasecmp(type, "object")) {
convert_to_object(*var);
} else if (!strcasecmp(type, "bool")) {
convert_to_boolean(*var);
} else if (!strcasecmp(type, "boolean")) {
convert_to_boolean(*var);
} else if (!strcasecmp(type, "null")) {
convert_to_null(*var);
} else if (!strcasecmp(type, "resource")) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot convert to resource type");
RETURN_FALSE;
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid type");
RETURN_FALSE;
}
RETVAL_TRUE;
}
/* }}} */
/* {{{ proto int intval(mixed var [, int base])
Get the integer value of a variable using the optional base for the conversion */
PHP_FUNCTION(intval)
{
zval **num;
long arg_base;
int base;
switch (ZEND_NUM_ARGS()) {
case 1:
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z", &num) == FAILURE) {
return;
}
base = 10;
break;
case 2:
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Zl", &num, &arg_base) == FAILURE) {
return;
}
base = arg_base;
break;
default:
WRONG_PARAM_COUNT;
}
RETVAL_ZVAL(*num, 1, 0);
convert_to_long_base(return_value, base);
}
/* }}} */
/* {{{ proto float floatval(mixed var)
Get the float value of a variable */
PHP_FUNCTION(floatval)
{
zval **num;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z", &num) == FAILURE) {
return;
}
RETVAL_ZVAL(*num, 1, 0);
convert_to_double(return_value);
}
/* }}} */
/* {{{ proto bool boolval(mixed var)
Get the boolean value of a variable */
PHP_FUNCTION(boolval)
{
zval **val;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z", &val) == FAILURE) {
return;
}
RETURN_BOOL(zend_is_true(*val));
}
/* }}} */
/* {{{ proto string strval(mixed var)
Get the string value of a variable */
PHP_FUNCTION(strval)
{
zval **num, *tmp;
zval expr_copy;
int use_copy;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z", &num) == FAILURE) {
return;
}
zend_make_printable_zval(*num, &expr_copy, &use_copy);
if (use_copy) {
tmp = &expr_copy;
RETVAL_ZVAL(tmp, 0, 0);
} else {
RETVAL_ZVAL(*num, 1, 0);
}
}
/* }}} */
static void php_is_type(INTERNAL_FUNCTION_PARAMETERS, int type)
{
zval **arg;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z", &arg) == FAILURE) {
RETURN_FALSE;
}
if (Z_TYPE_PP(arg) == type) {
if (type == IS_OBJECT) {
zend_class_entry *ce;
if(Z_OBJ_HT_PP(arg)->get_class_entry == NULL) {
/* if there's no get_class_entry it's not a PHP object, so it can't be INCOMPLETE_CLASS */
RETURN_TRUE;
}
ce = Z_OBJCE_PP(arg);
if (!strcmp(ce->name, INCOMPLETE_CLASS)) {
RETURN_FALSE;
}
}
if (type == IS_RESOURCE) {
const char *type_name = zend_rsrc_list_get_rsrc_type(Z_LVAL_PP(arg) TSRMLS_CC);
if (!type_name) {
RETURN_FALSE;
}
}
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* {{{ proto bool is_null(mixed var)
Returns true if variable is null */
PHP_FUNCTION(is_null)
{
php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_NULL);
}
/* }}} */
/* {{{ proto bool is_resource(mixed var)
Returns true if variable is a resource */
PHP_FUNCTION(is_resource)
{
php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_RESOURCE);
}
/* }}} */
/* {{{ proto bool is_bool(mixed var)
Returns true if variable is a boolean */
PHP_FUNCTION(is_bool)
{
php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_BOOL);
}
/* }}} */
/* {{{ proto bool is_long(mixed var)
Returns true if variable is a long (integer) */
PHP_FUNCTION(is_long)
{
php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_LONG);
}
/* }}} */
/* {{{ proto bool is_float(mixed var)
Returns true if variable is float point*/
PHP_FUNCTION(is_float)
{
php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_DOUBLE);
}
/* }}} */
/* {{{ proto bool is_string(mixed var)
Returns true if variable is a string */
PHP_FUNCTION(is_string)
{
php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_STRING);
}
/* }}} */
/* {{{ proto bool is_array(mixed var)
Returns true if variable is an array */
PHP_FUNCTION(is_array)
{
php_is_type(INTERNAL_FUNCTION_PARAM_PASSTHRU, IS_ARRAY);
}
/* }}} */
/* {{{ proto bool is_object(mixed var)
Returns true if variable is an object */
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;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z", &arg) == FAILURE) {
return;
}
switch (Z_TYPE_PP(arg)) {
case IS_LONG:
case IS_DOUBLE:
RETURN_TRUE;
break;
case IS_STRING:
if (is_numeric_string(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), NULL, NULL, 0)) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
break;
default:
RETURN_FALSE;
break;
}
}
/* }}} */
/* {{{ proto bool is_scalar(mixed value)
Returns true if value is a scalar */
PHP_FUNCTION(is_scalar)
{
zval **arg;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z", &arg) == FAILURE) {
return;
}
switch (Z_TYPE_PP(arg)) {
case IS_BOOL:
case IS_DOUBLE:
case IS_LONG:
case IS_STRING:
RETURN_TRUE;
break;
default:
RETURN_FALSE;
break;
}
}
/* }}} */
/* {{{ proto bool is_callable(mixed var [, bool syntax_only [, string callable_name]])
Returns true if var is callable. */
PHP_FUNCTION(is_callable)
{
zval *var, **callable_name = NULL;
char *name;
char *error;
zend_bool retval;
zend_bool syntax_only = 0;
int check_flags = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|bZ", &var,
&syntax_only, &callable_name) == FAILURE) {
return;
}
if (syntax_only) {
check_flags |= IS_CALLABLE_CHECK_SYNTAX_ONLY;
}
if (ZEND_NUM_ARGS() > 2) {
retval = zend_is_callable_ex(var, NULL, check_flags, &name, NULL, NULL, &error TSRMLS_CC);
zval_dtor(*callable_name);
ZVAL_STRING(*callable_name, name, 0);
} else {
retval = zend_is_callable_ex(var, NULL, check_flags, NULL, NULL, NULL, &error TSRMLS_CC);
}
if (error) {
/* ignore errors */
efree(error);
}
RETURN_BOOL(retval);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
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