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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"=>"" ); $trimmedArray = array_map('trim', $arr); $filtered = array_filter($trimmedArray, function($var){return !empty($var);} ); print_r($trimmedArray); print_r($filtered);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: trim(): Argument #1 ($string) must be of type string, array given in /in/MHHX9:21 Stack trace: #0 [internal function]: trim(Array) #1 /in/MHHX9(21): array_map('trim', Array) #2 {main} thrown in /in/MHHX9 on line 21
Process exited with code 255.

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