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<?php $arr = array( "mac_address"=>"989096e255a1", "status" =>"Known", "attributes" => array( "Owner"=>"rogue@wpi.edu", "IPAM-Hostname"=>"dresden.wpi.edu", "IPAM-AdminState"=>"OK", "IPAM-NAS-IP-Address"=>"", "IPAM-NAS-Port-ID"=>"", "IPAM-RADIUS-VLAN"=>"", "IPAM-TimeStamp"=>"2017-07-11 11:18:33 EDT", "Guest Role ID"=>"", "MAC-Auth Expiry"=>"", "Username"=>"", ), "Username"=>"", ); $filtered = array_filter($arr, function($var) {if(is_array($var)){return array_map('array_filter', $var);}else{return !empty($var);}} ); print_r($filtered);
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, string given in /in/5r80U:22 Stack trace: #0 [internal function]: array_filter('rogue@wpi.edu') #1 /in/5r80U(22): array_map('array_filter', Array) #2 [internal function]: {closure}(Array) #3 /in/5r80U(21): array_filter(Array, Object(Closure)) #4 {main} thrown in /in/5r80U on line 22
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, string given in /in/5r80U:22 Stack trace: #0 [internal function]: array_filter('rogue@wpi.edu') #1 /in/5r80U(22): array_map('array_filter', Array) #2 [internal function]: {closure}(Array) #3 /in/5r80U(22): array_filter(Array, Object(Closure)) #4 {main} thrown in /in/5r80U on line 22
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_filter() expects parameter 1 to be array, string given in /in/5r80U on line 22 Warning: array_filter() expects parameter 1 to be array, string given in /in/5r80U on line 22 Warning: array_filter() expects parameter 1 to be array, string given in /in/5r80U on line 22 Warning: array_filter() expects parameter 1 to be array, string given in /in/5r80U on line 22 Warning: array_filter() expects parameter 1 to be array, string given in /in/5r80U on line 22 Warning: array_filter() expects parameter 1 to be array, string given in /in/5r80U on line 22 Warning: array_filter() expects parameter 1 to be array, string given in /in/5r80U on line 22 Warning: array_filter() expects parameter 1 to be array, string given in /in/5r80U on line 22 Warning: array_filter() expects parameter 1 to be array, string given in /in/5r80U on line 22 Warning: array_filter() expects parameter 1 to be array, string given in /in/5r80U on line 22 Array ( [mac_address] => 989096e255a1 [status] => Known [attributes] => Array ( [Owner] => rogue@wpi.edu [IPAM-Hostname] => dresden.wpi.edu [IPAM-AdminState] => OK [IPAM-NAS-IP-Address] => [IPAM-NAS-Port-ID] => [IPAM-RADIUS-VLAN] => [IPAM-TimeStamp] => 2017-07-11 11:18:33 EDT [Guest Role ID] => [MAC-Auth Expiry] => [Username] => ) )

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