I want to do the following:

Big chunk of text is stored in variable $a. Paragraph breaks are 
signalled by two line breaks.

I want to just extract the first paragraph (i.e., all the text up to the 
first set of two line breaks) from $a.

How would I do this?

I tried exploding $a into an array, then doing a while loop inside a for 
loop, but it was taking WAY too long to execute (it was timing out).

Is there an easy way to do this that I'm just overlooking?



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