For beginners, use the variable value as the variable name.

The Cainiao question uses the variable value as the variable name PHPcode & lt ;? Php $ a = 1; $ B = 2; $ c = & quot; LL & quot ;. $. $ B; $ c = & quot; asdf & quot; echo $ LL12 ;? & Gt; I want to keep a variable named $ LL12 followed by 1 and 2 as variable names based on Cainiao's question.

PHP code

I want to keep a variable
The name is
$ LL12
The following 1 and 2 are based on AB. Is there any simple method to remove the intermediate variable $ c?

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PHP code

$ A = 1; $ B = 2; eval ("\ $ LL $ a $ B = \" asdf \ ";"); echo $ LL12;