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<?php $array = [ [ 'Property' => [ 'id' => 10, 'member_id' => 2, 'ref_no' => 333, ], ], [ 'Property' => [ 'id' => 16, 'member_id' => 4, 'ref_no' => 509, ], ], ]; usort($array, fn($a, $b) => $b['Property']['ref_no'] <=> $a['Property']['ref_no']); var_export($array);
Output for git.master, git.master_jit
array ( 0 => array ( 'Property' => array ( 'id' => 16, 'member_id' => 4, 'ref_no' => 509, ), ), 1 => array ( 'Property' => array ( 'id' => 10, 'member_id' => 2, 'ref_no' => 333, ), ), )

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