php中出现“Call to a member function Execute() on a non-object”的问题
2011-04-11 10:16
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没得办法，学艺不精，今天使用php+adodb进行数据库操作的时候出现“Call to a member function Execute() on a non-object”错误。搞了半天，终于晓得了，在php自定义函数中使用了全局变量，但是没有使用global语句在函数的开头进行声明。php使用变量是不需声明的，因此在函数中使用我想用的那个全局变量的时候，实际上默认创建了一个同名的局部变量，这样，出现错误就是很正常的了。嘿嘿，global一下，下次，你也记住哦~
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