PHP Technical Interview Question / Answer
Find the first double occurrence of a character in any provided string
Here are some examples:
'ABCA' = 'A'
'BCABA' = 'B'
'BCACA' = 'C'
'ABC = 'Null'
Learn More:
Interactive Utopia = https://interactiveutopia.com/
GitHub = https://github.com/gilbertocortez
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