@ 2014-06-15T05:51:06Z <?php
$testVar = 'foo';
// list of keys to ignore (including the name of this variable)
$ignore = array('GLOBALS', '_FILES', '_COOKIE', '_POST', '_GET', '_SERVER', '_ENV', 'ignore');
// diff the ignore list as keys after merging any missing ones with the defined list
$vars = array_diff_key(get_defined_vars() + array_flip($ignore), array_flip($ignore));
// should be left with the user defined var(s) (in this case $testVar)
var_dump($vars);
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Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.28 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.20 , 7.2.0 - 7.2.33 , 7.3.12 - 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 - 8.3.6 array(3) {
["argv"]=>
array(1) {
[0]=>
string(9) "/in/ehccq"
}
["argc"]=>
int(1)
["testVar"]=>
string(3) "foo"
}
Output for 5.2.3 - 5.2.17 , 5.3.0 - 5.3.29 array(10) {
["HTTP_ENV_VARS"]=>
array(9) {
["TERM"]=>
string(5) "xterm"
["PATH"]=>
string(13) "/usr/bin:/bin"
["LANG"]=>
string(1) "C"
["SHELL"]=>
string(7) "/bin/sh"
["MAIN"]=>
string(16) "/var/mail/nobody"
["LOGNAME"]=>
string(6) "nobody"
["USER"]=>
string(6) "nobody"
["USERNAME"]=>
string(6) "nobody"
["HOME"]=>
string(1) "/"
}
["argv"]=>
array(1) {
[0]=>
string(9) "/in/ehccq"
}
["argc"]=>
int(1)
["HTTP_POST_VARS"]=>
array(0) {
}
["HTTP_GET_VARS"]=>
array(0) {
}
["HTTP_COOKIE_VARS"]=>
array(0) {
}
["HTTP_SERVER_VARS"]=>
array(17) {
["TERM"]=>
string(5) "xterm"
["PATH"]=>
string(13) "/usr/bin:/bin"
["LANG"]=>
string(1) "C"
["SHELL"]=>
string(7) "/bin/sh"
["MAIN"]=>
string(16) "/var/mail/nobody"
["LOGNAME"]=>
string(6) "nobody"
["USER"]=>
string(6) "nobody"
["USERNAME"]=>
string(6) "nobody"
["HOME"]=>
string(1) "/"
["PHP_SELF"]=>
string(9) "/in/ehccq"
["SCRIPT_NAME"]=>
string(9) "/in/ehccq"
["SCRIPT_FILENAME"]=>
string(9) "/in/ehccq"
["PATH_TRANSLATED"]=>
string(9) "/in/ehccq"
["DOCUMENT_ROOT"]=>
string(0) ""
["REQUEST_TIME"]=>
int(1402811466)
["argv"]=>
array(1) {
[0]=>
string(9) "/in/ehccq"
}
["argc"]=>
int(1)
}
["HTTP_POST_FILES"]=>
array(0) {
}
["_REQUEST"]=>
array(0) {
}
["testVar"]=>
string(3) "foo"
}
Output for 5.1.0 - 5.1.6 , 5.2.0 - 5.2.2 array(10) {
["HTTP_ENV_VARS"]=>
array(9) {
["TERM"]=>
string(5) "xterm"
["PATH"]=>
string(13) "/usr/bin:/bin"
["LANG"]=>
string(1) "C"
["SHELL"]=>
string(7) "/bin/sh"
["MAIN"]=>
string(16) "/var/mail/nobody"
["LOGNAME"]=>
string(6) "nobody"
["USER"]=>
string(6) "nobody"
["USERNAME"]=>
string(6) "nobody"
["HOME"]=>
string(1) "/"
}
["argv"]=>
array(1) {
[0]=>
string(9) "/in/ehccq"
}
["argc"]=>
int(1)
["HTTP_POST_VARS"]=>
array(0) {
}
["HTTP_GET_VARS"]=>
array(0) {
}
["HTTP_COOKIE_VARS"]=>
array(0) {
}
["HTTP_SERVER_VARS"]=>
array(13) {
["TERM"]=>
string(5) "xterm"
["PATH"]=>
string(13) "/usr/bin:/bin"
["LANG"]=>
string(1) "C"
["SHELL"]=>
string(7) "/bin/sh"
["MAIN"]=>
string(16) "/var/mail/nobody"
["LOGNAME"]=>
string(6) "nobody"
["USER"]=>
string(6) "nobody"
["USERNAME"]=>
string(6) "nobody"
["HOME"]=>
string(1) "/"
["PHP_SELF"]=>
string(0) ""
["REQUEST_TIME"]=>
int(1402811466)
["argv"]=>
array(1) {
[0]=>
string(9) "/in/ehccq"
}
["argc"]=>
int(1)
}
["HTTP_POST_FILES"]=>
array(0) {
}
["_REQUEST"]=>
array(0) {
}
["testVar"]=>
string(3) "foo"
}
Output for 5.0.0 - 5.0.5 Fatal error: Call to undefined function array_diff_key() in /in/ehccq on line 6
Process exited with code 255 . Output for 4.4.5 - 4.4.9 Fatal error: Call to undefined function: array_diff_key() in /in/ehccq on line 6
Process exited with code 255 . Output for 4.3.2 - 4.3.11 , 4.4.0 - 4.4.4 Fatal error: Call to undefined function: array_diff_key() in /in/ehccq on line 6
Process exited with code 255 . Output for 4.3.0 - 4.3.1 Fatal error: Call to undefined function: array_diff_key() in /in/ehccq on line 6
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