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convert array to string

how can i convert an array to string my problem is the following
i have a TXT file that contain some numbers
i have to read them from file put them in array then i have to put 3 radio buttons with following functions
ascend sort of array
descend sort
and reverse
after each function i have to write changed for of array into a new file.
i have problem with writing them in new file.
please help me
Nov 21 '06 #1
3 87621
implode(separator,array)
http://www.w3schools.com/php/func_string_implode.asp
thank u for your help my friend
Nov 24 '06 #3
just my 2cent:

maybe a better solution would be to write the data serialized() or json_encode()'ed to the file?
Nov 26 '11 #4

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