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writing to a file help


HCProfessionals

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You can write to a file in-place but you'll only overwrite what is there (ie, there is no "insert" mode). If the size of the file could change then you have to recreate it.

 

To check if the line exists you have to get all the lines and check if any of them are identical to your new line. Remember that file() keeps newlines on all the lines so you'll need to remove them before trying in_array().

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