拥有一个对象数组,如何从下面打印的对象数组中获取测验值? ( [quiz] => 5223)
Array (
[128593] => stdClass Object (
[id] => 128593
[uniqueid] => 130738
[quiz] => 5223
[userid] => 2
[attempt] => 1
[timestart] => 1382638443
[timefinish] => 0
[timemodified] => 1382638443
)
)
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