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<?php $a = 'foo'; $b = & $a; function evilExtractor(array $data) { foreach ($data as $key => & $value) { $value .= ' - modified'; } } evilExtractor(get_defined_vars()); var_dump(get_defined_vars());
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/Vono6 on line 9 Warning: Array to string conversion in /in/Vono6 on line 9 Warning: Array to string conversion in /in/Vono6 on line 9 Warning: Array to string conversion in /in/Vono6 on line 9 Warning: Array to string conversion in /in/Vono6 on line 9 Warning: Array to string conversion in /in/Vono6 on line 9 array(9) { ["_GET"]=> array(0) { } ["_POST"]=> array(0) { } ["_COOKIE"]=> array(0) { } ["_FILES"]=> array(0) { } ["argv"]=> array(1) { [0]=> string(9) "/in/Vono6" } ["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/Vono6" ["SCRIPT_NAME"]=> string(9) "/in/Vono6" ["SCRIPT_FILENAME"]=> string(9) "/in/Vono6" ["PATH_TRANSLATED"]=> string(9) "/in/Vono6" ["DOCUMENT_ROOT"]=> string(0) "" ["REQUEST_TIME_FLOAT"]=> float(1375355291.0001) ["REQUEST_TIME"]=> int(1375355291) ["argv"]=> array(1) { [0]=> string(9) "/in/Vono6" } ["argc"]=> int(1) } ["a"]=> &string(25) "foo - modified - modified" ["b"]=> &string(25) "foo - modified - modified" }

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