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<?php $a = 10; $b = 20; $c = 30; $d = 40; $defined_variables = get_defined_vars(); $defined_variables = get_defined_vars(); $variables2keep = array("a", "b", "c", "variables2keep"); foreach($defined_variables as $variable => $value) if(!in_array($variable, $variables2keep)) unset($$variable); print_r(get_defined_vars());
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [a] => 10 [b] => 20 [c] => 30 [variables2keep] => Array ( [0] => a [1] => b [2] => c [3] => variables2keep ) [value] => Array ( [_GET] => Array ( ) [_POST] => Array ( ) [_COOKIE] => Array ( ) [_FILES] => Array ( ) [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 [_SERVER] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/W2SYW [SCRIPT_NAME] => /in/W2SYW [SCRIPT_FILENAME] => /in/W2SYW [PATH_TRANSLATED] => /in/W2SYW [DOCUMENT_ROOT] => [REQUEST_TIME_FLOAT] => 1414515627.0001 [REQUEST_TIME] => 1414515627 [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [a] => 10 [b] => 20 [c] => 30 [d] => 40 ) [variable] => defined_variables )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [a] => 10 [b] => 20 [c] => 30 [variables2keep] => Array ( [0] => a [1] => b [2] => c [3] => variables2keep ) [value] => Array ( [_GET] => Array ( ) [_POST] => Array ( ) [_COOKIE] => Array ( ) [_FILES] => Array ( ) [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 [_SERVER] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/W2SYW [SCRIPT_NAME] => /in/W2SYW [SCRIPT_FILENAME] => /in/W2SYW [PATH_TRANSLATED] => /in/W2SYW [DOCUMENT_ROOT] => [REQUEST_TIME_FLOAT] => 1414515627.0001 [REQUEST_TIME] => 1414515627 [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [a] => 10 [b] => 20 [c] => 30 [d] => 40 ) [variable] => defined_variables )
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29
Array ( [a] => 10 [b] => 20 [c] => 30 [variables2keep] => Array ( [0] => a [1] => b [2] => c [3] => variables2keep ) [value] => Array ( [GLOBALS] => Array ( [a] => 10 [b] => 20 [c] => 30 [variables2keep] => Array ( [0] => a [1] => b [2] => c [3] => variables2keep ) [value] => Array *RECURSION* [variable] => defined_variables ) [_ENV] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) [HTTP_ENV_VARS] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 [_POST] => Array ( ) [HTTP_POST_VARS] => Array ( ) [_GET] => Array ( ) [HTTP_GET_VARS] => Array ( ) [_COOKIE] => Array ( ) [HTTP_COOKIE_VARS] => Array ( ) [_SERVER] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/W2SYW [SCRIPT_NAME] => /in/W2SYW [SCRIPT_FILENAME] => /in/W2SYW [PATH_TRANSLATED] => /in/W2SYW [DOCUMENT_ROOT] => [REQUEST_TIME] => 1414515627 [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [HTTP_SERVER_VARS] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => /in/W2SYW [SCRIPT_NAME] => /in/W2SYW [SCRIPT_FILENAME] => /in/W2SYW [PATH_TRANSLATED] => /in/W2SYW [DOCUMENT_ROOT] => [REQUEST_TIME] => 1414515627 [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [_FILES] => Array ( ) [HTTP_POST_FILES] => Array ( ) [_REQUEST] => Array ( ) [a] => 10 [b] => 20 [c] => 30 [d] => 40 ) [variable] => defined_variables )
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
Array ( [a] => 10 [b] => 20 [c] => 30 [variables2keep] => Array ( [0] => a [1] => b [2] => c [3] => variables2keep ) [value] => Array ( [GLOBALS] => Array ( [a] => 10 [b] => 20 [c] => 30 [variables2keep] => Array ( [0] => a [1] => b [2] => c [3] => variables2keep ) [value] => Array *RECURSION* [variable] => defined_variables ) [_ENV] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) [HTTP_ENV_VARS] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 [_POST] => Array ( ) [HTTP_POST_VARS] => Array ( ) [_GET] => Array ( ) [HTTP_GET_VARS] => Array ( ) [_COOKIE] => Array ( ) [HTTP_COOKIE_VARS] => Array ( ) [_SERVER] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => [REQUEST_TIME] => 1414515627 [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [HTTP_SERVER_VARS] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => [REQUEST_TIME] => 1414515627 [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [_FILES] => Array ( ) [HTTP_POST_FILES] => Array ( ) [_REQUEST] => Array ( ) [a] => 10 [b] => 20 [c] => 30 [d] => 40 ) [variable] => defined_variables )
Output for 5.0.0 - 5.0.5
Array ( [a] => 10 [b] => 20 [c] => 30 [variables2keep] => Array ( [0] => a [1] => b [2] => c [3] => variables2keep ) [variable] => defined_variables [value] => Array ( [GLOBALS] => Array ( [a] => 10 [b] => 20 [c] => 30 [variables2keep] => Array ( [0] => a [1] => b [2] => c [3] => variables2keep ) [variable] => defined_variables [value] => Array *RECURSION* ) [_ENV] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) [HTTP_ENV_VARS] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 [_POST] => Array ( ) [HTTP_POST_VARS] => Array ( ) [_GET] => Array ( ) [HTTP_GET_VARS] => Array ( ) [_COOKIE] => Array ( ) [HTTP_COOKIE_VARS] => Array ( ) [_SERVER] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [HTTP_SERVER_VARS] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [_FILES] => Array ( ) [HTTP_POST_FILES] => Array ( ) [_REQUEST] => Array ( ) [a] => 10 [b] => 20 [c] => 30 [d] => 40 ) )
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Array ( [a] => 10 [b] => 20 [c] => 30 [variables2keep] => Array ( [0] => a [1] => b [2] => c [3] => variables2keep ) [variable] => defined_variables [value] => Array ( [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 [HTTP_POST_VARS] => Array ( ) [_POST] => Array ( ) [HTTP_GET_VARS] => Array ( ) [_GET] => Array ( ) [HTTP_COOKIE_VARS] => Array ( ) [_COOKIE] => Array ( ) [HTTP_SERVER_VARS] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [_SERVER] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [HTTP_ENV_VARS] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) [_ENV] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) [HTTP_POST_FILES] => Array ( ) [_FILES] => Array ( ) [_REQUEST] => Array ( ) [a] => 10 [b] => 20 [c] => 30 [d] => 40 ) )
Output for 4.3.0 - 4.3.1
Array ( [a] => 10 [b] => 20 [c] => 30 [variables2keep] => Array ( [0] => a [1] => b [2] => c [3] => variables2keep ) [variable] => defined_variables [value] => Array ( [HTTP_POST_VARS] => Array ( ) [_POST] => Array ( ) [HTTP_GET_VARS] => Array ( [/in/W2SYW] => ) [_GET] => Array ( [/in/W2SYW] => ) [HTTP_COOKIE_VARS] => Array ( ) [_COOKIE] => Array ( ) [HTTP_SERVER_VARS] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [_SERVER] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp [PHP_SELF] => [argv] => Array ( [0] => /in/W2SYW ) [argc] => 1 ) [HTTP_ENV_VARS] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) [_ENV] => Array ( [TERM] => xterm [PATH] => /usr/bin:/bin [LANG] => C [SHELL] => /bin/sh [MAIL] => /var/mail/nobody [LOGNAME] => nobody [USER] => nobody [HOME] => /tmp ) [HTTP_POST_FILES] => Array ( ) [_FILES] => Array ( ) [_REQUEST] => Array ( [/in/W2SYW] => ) [a] => 10 [b] => 20 [c] => 30 [d] => 40 ) )
preferences:
392.48 ms | 409 KiB | 464 Q