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PHP - BBCode - Checking for blank posts?


citricsquid

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Hi guys,

 

I've built my own mini BBCode to use with an application, using preg_replace to create the replacements of [][/] that match my array of BBCode samples. I also validate inputs, checking that they're not empty or have too little characters. However, I have hit a problem:

 

If a does something like [ b ][ / b ] (no spaces) it counts towards the total character count, even though it's output is nothing, therefore even if the min character count is 100, just having 20 [ b ][ / b ]'s would go over that and still be blank.

 

How can I remove any BBCode from my string, where it contains nothing inside? I'm thinking I'll need to use preg_replace, like, trim all whitespace from the string and check if [ b ][ / b ] (remove spaces) is there, if it is, remove it.

 

Is this the correct method, or have I made an oversight? :)

 

:-*

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