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I did this like you said but the correct number is 2847 (97-122 as ASCII decimal values). Of course you need to lower the string and remove extra characters and take unique array out of it but hey - they are all built-in functions in PHP :P
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Pangrams
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I did this like you said but the correct number is 2847 (97-122 as ASCII decimal values). Of course you need to lower the string and remove extra characters and take unique array out of it but hey - they are all built-in functions in PHP :P