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<?php $user = [ "address" => [ "country" => "jp", "prefecture" => "Hokkaido", ], ]; compact($user); var_dump(get_defined_vars());
Output for git.master, git.master_jit, rfc.property-hooks
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" } } }

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