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<?php $sql = [1 => ["id" => 1, "num" => "123"], 2 => ["id" => 2, "num" => "456"]]; $mongo = ["id" => 1, "num" => "123"]; $mongo = array($mongo); var_dump(is_array($sql), is_array($mongo)); array_diff($sql, $mongo);
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) bool(true) Warning: Array to string conversion in /in/MF8Fc on line 7 Warning: Array to string conversion in /in/MF8Fc on line 7 Warning: Array to string conversion in /in/MF8Fc on line 7

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