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<?php $user = [ "address" => [ "country" => "jp", "prefecture" => "Hokkaido", ], ]; compact($user); var_dump(get_defined_vars());
Output for 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 - 8.3.7
Warning: compact(): Undefined variable $jp in /in/vk4uF on line 9 Warning: compact(): Undefined variable $Hokkaido in /in/vk4uF on line 9 array(8) { ["_GET"]=> array(0) { } ["_POST"]=> array(0) { } ["_COOKIE"]=> array(0) { } ["_FILES"]=> array(0) { } ["argv"]=> array(1) { [0]=> string(9) "/in/vk4uF" } ["argc"]=> int(1) ["_SERVER"]=> array(17) { ["TERM"]=> string(5) "xterm" ["PATH"]=> string(13) "/usr/bin:/bin" ["LANG"]=> string(1) "C" ["SHELL"]=> string(7) "/bin/sh" ["MAIL"]=> string(16) "/var/mail/nobody" ["LOGNAME"]=> string(6) "nobody" ["USER"]=> string(6) "nobody" ["HOME"]=> string(4) "/tmp" ["PHP_SELF"]=> string(9) "/in/vk4uF" ["SCRIPT_NAME"]=> string(9) "/in/vk4uF" ["SCRIPT_FILENAME"]=> string(9) "/in/vk4uF" ["PATH_TRANSLATED"]=> string(9) "/in/vk4uF" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME_FLOAT"]=> float(1519491362.0001) ["REQUEST_TIME"]=> int(1519491362) ["argv"]=> array(1) { [0]=> string(9) "/in/vk4uF" } ["argc"]=> int(1) } ["user"]=> array(1) { ["address"]=> array(2) { ["country"]=> string(2) "jp" ["prefecture"]=> string(8) "Hokkaido" } } }
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 Warning: compact(): Undefined variable $jp in /in/vk4uF on line 9 Warning: compact(): Undefined variable $Hokkaido in /in/vk4uF on line 9 array(8) { ["_GET"]=> array(0) { } ["_POST"]=> array(0) { } ["_COOKIE"]=> array(0) { } ["_FILES"]=> array(0) { } ["argv"]=> array(1) { [0]=> string(9) "/in/vk4uF" } ["argc"]=> int(1) ["_SERVER"]=> array(17) { ["TERM"]=> string(5) "xterm" ["PATH"]=> string(13) "/usr/bin:/bin" ["LANG"]=> string(1) "C" ["SHELL"]=> string(7) "/bin/sh" ["MAIL"]=> string(16) "/var/mail/nobody" ["LOGNAME"]=> string(6) "nobody" ["USER"]=> string(6) "nobody" ["HOME"]=> string(4) "/tmp" ["PHP_SELF"]=> string(9) "/in/vk4uF" ["SCRIPT_NAME"]=> string(9) "/in/vk4uF" ["SCRIPT_FILENAME"]=> string(9) "/in/vk4uF" ["PATH_TRANSLATED"]=> string(9) "/in/vk4uF" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME_FLOAT"]=> float(1519491362.0001) ["REQUEST_TIME"]=> int(1519491362) ["argv"]=> array(1) { [0]=> string(9) "/in/vk4uF" } ["argc"]=> int(1) } ["user"]=> array(1) { ["address"]=> array(2) { ["country"]=> string(2) "jp" ["prefecture"]=> string(8) "Hokkaido" } } }
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: compact(): Undefined variable: jp in /in/vk4uF on line 9 Notice: compact(): Undefined variable: Hokkaido in /in/vk4uF on line 9 array(8) { ["_GET"]=> array(0) { } ["_POST"]=> array(0) { } ["_COOKIE"]=> array(0) { } ["_FILES"]=> array(0) { } ["argv"]=> array(1) { [0]=> string(9) "/in/vk4uF" } ["argc"]=> int(1) ["_SERVER"]=> array(17) { ["TERM"]=> string(5) "xterm" ["PATH"]=> string(13) "/usr/bin:/bin" ["LANG"]=> string(1) "C" ["SHELL"]=> string(7) "/bin/sh" ["MAIL"]=> string(16) "/var/mail/nobody" ["LOGNAME"]=> string(6) "nobody" ["USER"]=> string(6) "nobody" ["HOME"]=> string(4) "/tmp" ["PHP_SELF"]=> string(9) "/in/vk4uF" ["SCRIPT_NAME"]=> string(9) "/in/vk4uF" ["SCRIPT_FILENAME"]=> string(9) "/in/vk4uF" ["PATH_TRANSLATED"]=> string(9) "/in/vk4uF" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME_FLOAT"]=> float(1519491362.0001) ["REQUEST_TIME"]=> int(1519491362) ["argv"]=> array(1) { [0]=> string(9) "/in/vk4uF" } ["argc"]=> int(1) } ["user"]=> array(1) { ["address"]=> array(2) { ["country"]=> string(2) "jp" ["prefecture"]=> string(8) "Hokkaido" } } }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.32 - 7.3.33
array(8) { ["_GET"]=> array(0) { } ["_POST"]=> array(0) { } ["_COOKIE"]=> array(0) { } ["_FILES"]=> array(0) { } ["argv"]=> array(1) { [0]=> string(9) "/in/vk4uF" } ["argc"]=> int(1) ["_SERVER"]=> array(17) { ["TERM"]=> string(5) "xterm" ["PATH"]=> string(13) "/usr/bin:/bin" ["LANG"]=> string(1) "C" ["SHELL"]=> string(7) "/bin/sh" ["MAIL"]=> string(16) "/var/mail/nobody" ["LOGNAME"]=> string(6) "nobody" ["USER"]=> string(6) "nobody" ["HOME"]=> string(4) "/tmp" ["PHP_SELF"]=> string(9) "/in/vk4uF" ["SCRIPT_NAME"]=> string(9) "/in/vk4uF" ["SCRIPT_FILENAME"]=> string(9) "/in/vk4uF" ["PATH_TRANSLATED"]=> string(9) "/in/vk4uF" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME_FLOAT"]=> float(1519491362.0001) ["REQUEST_TIME"]=> int(1519491362) ["argv"]=> array(1) { [0]=> string(9) "/in/vk4uF" } ["argc"]=> int(1) } ["user"]=> array(1) { ["address"]=> array(2) { ["country"]=> string(2) "jp" ["prefecture"]=> string(8) "Hokkaido" } } }

preferences:
221.99 ms | 405 KiB | 296 Q