Online PHP editor | output for vaK1t

<?php $userdb = [ [ 'uid' => '100', 'name' => 'Sandra Shush', 'pic_square' => 'urlof100' ], [ 'uid' => '5465', 'name' => 'Stefanie Mcmohn', 'pic_square' => 'urlof100' ], [ 'uid' => '40489', 'name' => 'Michael', 'pic_square' => 'urlof40489' ] ]; $row = [ 'uid' => '100', 'name' => 'Sandra Shush', 'pic_square' => 'urlof100' ]; var_export( array_search($row, $userdb) );