How PHP uses the file() function

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File ();-- read the entire file into an array

Array file (string $filename [, int $flags = 0 [, resource $context]]) / / reads the entire file into an array.

Parameter: the path to the filename file.

The flags optional parameter flags can be one or more of the following constants:

1. FILE_USE_INCLUDE_PATH looks for files in include_path.

2. FILE_IGNORE_NEW_LINES do not add newline characters at the end of each element of the array

3. FILE_SKIP_EMPTY_LINES skips blank lines.

Context a context resource to create the stream_context_create () function.

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