PHP under the cannot use a scalar value as a array solution _php tips

Today, in testing the PHP program, there was a mistake: cannot use a scalar value as a array, this error prompted a few days ago, it seems to be a little tune on the good, also did not delve into, today but again appeared.

Can not be fooled, have to find out the reasons and solutions, so I went to search the Internet, ah, looking for a long time did not find the results, not on the internet is not found such a problem, but very few people do a positive and accurate answer. At last the passage of this article made me understand what was going on.

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What you need to be aware of is type conversions:
If a variable name (such as a) has been defined as a non-array type, such as Integer, then a can be converted to floating point, string (or even object type), but not an array, that is, a[0]=1; it is wrong, PHP will quote such a warning " Cannot use a scalar value as a array ". Even if a is defined as a one-dimensional array, it cannot be converted to a high-dimensional array.
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The following are the solutions to the problems found by other netizens:
After seeing this, I examined the code and found that one of the Boolean variables I had defined above was called by me directly as an array, so there was an error.

If a non-array element is defined and assigned, and then used as an array, the error of cannot use a scalar value as a array appears.

such as: var $i = 1000;

$i [5]=345; There will be errors at this time,

So you have to give up this nonstandard way of writing code.