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I do not know why

NOTE: Undefined index: id in D:\phpStudy\WW\phpStudyTest\phpStudyTest\phpStudyTest\update.php line 2

WARNING: mysqli_fetch_assoc() expected argument 1 for mysqli_result, boolean given Set in D:\phpStudy\www\phpStudyTest\phpStudyTest\phpStudyTest\update.php on line 14

小萌₂₀₁₇小萌₂₀₁₇2657 days ago1174

reply all(1)I'll reply

  • 按键盘手指磨破皮

    按键盘手指磨破皮2017-09-17 10:48:35

    You have to post the code, otherwise I can show you where you made the mistake. I can only roughly judge that the variable you defined is not found. Check whether the variable is local or global? Was the file imported successfully? Class instantiation doesn’t have to wait

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