get_defined_vars
Description
The get_defined_vars of Variable Handling for PHP returns an array of all defined variables.
Syntax
get_defined_vars(): array
Return
A multidimensional array with all the variables.
Examples
1
<? $return = get_defined_vars(); print_r($return); ?>
Array
(
[_GET] => Array
(
)
[_POST] => Array
(
)
[_COOKIE] => Array
(
)
[_FILES] => Array
(
)
[_SERVER] => Array
(
[PATH] => /usr/local/bin:/bin:/usr/bin
[HTTP_CONNECTION] => close
[HTTP_HOST] => osbo.com
[HTTP_X_HTTPS] => 1
[DOCUMENT_ROOT] => /home/osbocom/public_html
[REMOTE_ADDR] => 212.1.210.80
[REMOTE_PORT] => 46944
[SERVER_ADDR] => 212.1.210.80
[SERVER_NAME] => osbo.com
[SERVER_ADMIN] => webmaster@osbo.com
[SERVER_PORT] => 443
[REQUEST_SCHEME] => https
[REQUEST_URI] => /php/demo/
[GEOIP_ADDR] => 212.1.210.80
[GEOIP_CONTINENT_CODE] => NA
[GEOIP_COUNTRY_CODE] => US
[GEOIP_COUNTRY_NAME] => United States
[GEOIP_CITY] => Asheville
[GEOIP_POSTAL_CODE] => 28801
[GEOIP_CITY_CONTINENT_CODE] => NA
[GEOIP_CITY_COUNTRY_CODE] => US
[GEOIP_CITY_COUNTRY_NAME] => United States
[GEOIP_REGION] => NC
[GEOIP_DMA_CODE] => 567
[GEOIP_LATITUDE] => 35.59470
[GEOIP_LONGITUDE] => -82.55450
[GEOIP_ISP] => 47583
[GEOIP_ORGANIZATION] => Hostinger International Limited
[HTTPS] => on
[CRAWLER_USLEEP] => 1000
[CRAWLER_LOAD_LIMIT_ENFORCE] => 20
[SSL_PROTOCOL] => TLSv1.3
[SSL_CIPHER] => TLS_AES_256_GCM_SHA384
[SSL_CIPHER_USEKEYSIZE] => 256
[SSL_CIPHER_ALGKEYSIZE] => 256
[SCRIPT_FILENAME] => /home/osbocom/public_html/php/demo/index.php
[QUERY_STRING] =>
[SCRIPT_URI] => https://osbo.com/php/demo/
[SCRIPT_URL] => /php/demo/
[SCRIPT_NAME] => /php/demo/index.php
[SERVER_PROTOCOL] => HTTP/1.1
[SERVER_SOFTWARE] => LiteSpeed
[REQUEST_METHOD] => GET
[X-LSCACHE] => on,crawler
[PHP_SELF] => /php/demo/index.php
[REQUEST_TIME_FLOAT] => 1728986259.2064
[REQUEST_TIME] => 1728986259
)
)
2
<? $array = array(true, 12.34, "abc", array(0, 1)); $return = get_defined_vars(); print_r($return); ?>
Array
(
[_GET] => Array
(
)
[_POST] => Array
(
)
[_COOKIE] => Array
(
)
[_FILES] => Array
(
)
[_SERVER] => Array
(
[PATH] => /usr/local/bin:/bin:/usr/bin
[HTTP_CONNECTION] => close
[HTTP_HOST] => osbo.com
[HTTP_X_HTTPS] => 1
[DOCUMENT_ROOT] => /home/osbocom/public_html
[REMOTE_ADDR] => 212.1.210.80
[REMOTE_PORT] => 46950
[SERVER_ADDR] => 212.1.210.80
[SERVER_NAME] => osbo.com
[SERVER_ADMIN] => webmaster@osbo.com
[SERVER_PORT] => 443
[REQUEST_SCHEME] => https
[REQUEST_URI] => /php/demo/
[GEOIP_ADDR] => 212.1.210.80
[GEOIP_CONTINENT_CODE] => NA
[GEOIP_COUNTRY_CODE] => US
[GEOIP_COUNTRY_NAME] => United States
[GEOIP_CITY] => Asheville
[GEOIP_POSTAL_CODE] => 28801
[GEOIP_CITY_CONTINENT_CODE] => NA
[GEOIP_CITY_COUNTRY_CODE] => US
[GEOIP_CITY_COUNTRY_NAME] => United States
[GEOIP_REGION] => NC
[GEOIP_DMA_CODE] => 567
[GEOIP_LATITUDE] => 35.59470
[GEOIP_LONGITUDE] => -82.55450
[GEOIP_ISP] => 47583
[GEOIP_ORGANIZATION] => Hostinger International Limited
[HTTPS] => on
[CRAWLER_USLEEP] => 1000
[CRAWLER_LOAD_LIMIT_ENFORCE] => 20
[SSL_PROTOCOL] => TLSv1.3
[SSL_CIPHER] => TLS_AES_256_GCM_SHA384
[SSL_CIPHER_USEKEYSIZE] => 256
[SSL_CIPHER_ALGKEYSIZE] => 256
[SCRIPT_FILENAME] => /home/osbocom/public_html/php/demo/index.php
[QUERY_STRING] =>
[SCRIPT_URI] => https://osbo.com/php/demo/
[SCRIPT_URL] => /php/demo/
[SCRIPT_NAME] => /php/demo/index.php
[SERVER_PROTOCOL] => HTTP/1.1
[SERVER_SOFTWARE] => LiteSpeed
[REQUEST_METHOD] => GET
[X-LSCACHE] => on,crawler
[PHP_SELF] => /php/demo/index.php
[REQUEST_TIME_FLOAT] => 1728986259.2939
[REQUEST_TIME] => 1728986259
)
[array] => Array
(
[0] => 1
[1] => 12.34
[2] => abc
[3] => Array
(
[0] => 0
[1] => 1
)
)
)
3
<? $array = array(true, 12.34, "abc", array(0, 1)); $return = get_defined_vars(); print_r($return["array"]); ?>
Array
(
[0] => 1
[1] => 12.34
[2] => abc
[3] => Array
(
[0] => 0
[1] => 1
)
)
4
<? $return = get_defined_vars(); print_r($return["_SERVER"]); ?>
Array
(
[PATH] => /usr/local/bin:/bin:/usr/bin
[HTTP_CONNECTION] => close
[HTTP_HOST] => osbo.com
[HTTP_X_HTTPS] => 1
[DOCUMENT_ROOT] => /home/osbocom/public_html
[REMOTE_ADDR] => 212.1.210.80
[REMOTE_PORT] => 46960
[SERVER_ADDR] => 212.1.210.80
[SERVER_NAME] => osbo.com
[SERVER_ADMIN] => webmaster@osbo.com
[SERVER_PORT] => 443
[REQUEST_SCHEME] => https
[REQUEST_URI] => /php/demo/
[GEOIP_ADDR] => 212.1.210.80
[GEOIP_CONTINENT_CODE] => NA
[GEOIP_COUNTRY_CODE] => US
[GEOIP_COUNTRY_NAME] => United States
[GEOIP_CITY] => Asheville
[GEOIP_POSTAL_CODE] => 28801
[GEOIP_CITY_CONTINENT_CODE] => NA
[GEOIP_CITY_COUNTRY_CODE] => US
[GEOIP_CITY_COUNTRY_NAME] => United States
[GEOIP_REGION] => NC
[GEOIP_DMA_CODE] => 567
[GEOIP_LATITUDE] => 35.59470
[GEOIP_LONGITUDE] => -82.55450
[GEOIP_ISP] => 47583
[GEOIP_ORGANIZATION] => Hostinger International Limited
[HTTPS] => on
[CRAWLER_USLEEP] => 1000
[CRAWLER_LOAD_LIMIT_ENFORCE] => 20
[SSL_PROTOCOL] => TLSv1.3
[SSL_CIPHER] => TLS_AES_256_GCM_SHA384
[SSL_CIPHER_USEKEYSIZE] => 256
[SSL_CIPHER_ALGKEYSIZE] => 256
[SCRIPT_FILENAME] => /home/osbocom/public_html/php/demo/index.php
[QUERY_STRING] =>
[SCRIPT_URI] => https://osbo.com/php/demo/
[SCRIPT_URL] => /php/demo/
[SCRIPT_NAME] => /php/demo/index.php
[SERVER_PROTOCOL] => HTTP/1.1
[SERVER_SOFTWARE] => LiteSpeed
[REQUEST_METHOD] => GET
[X-LSCACHE] => on,crawler
[PHP_SELF] => /php/demo/index.php
[REQUEST_TIME_FLOAT] => 1728986259.4772
[REQUEST_TIME] => 1728986259
)
Links
Variable Handling
- boolval
- debug_zval_dump
- doubleval
- empty
- floatval
- get_debug_type
- get_resource_id
- get_resource_type
- gettype
- intval
- is_array
- is_bool
- is_callable
- is_countable
- is_double
- is_float
- is_int
- is_integer
- is_iterable
- is_long
- is_null
- is_numeric
- is_object
- is_real
- is_resource
- is_scalar
- is_string
- isset
- print_r
- serialize
- settype
- strval
- unserialize
- unset
- var_dump
- var_export
