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<?php $arr = array( "mac_address"=>"989096e255a1", "Username"=>"", "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"=>"", "morestuff" => array( "a" =>123, "b" =>"", "c" =>123, "d" =>123 ), ), ); $filtered = array_filter(array_map('array_filter',$arr)); print_r($filtered); $filtered = array_filter($arr, function($var) {return !empty($var);}); print_r($filtered);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, string given in /in/bmYJ2:27 Stack trace: #0 [internal function]: array_filter('989096e255a1') #1 /in/bmYJ2(27): array_map('array_filter', Array) #2 {main} thrown in /in/bmYJ2 on line 27
Process exited with code 255.

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