filemtime

  • To get the last modification time of a file in PHP, we use filemtime. It returns an integer with a timestamp (seconds since Unix epoch).

    PHP

    $timestamp = filemtime('/path/to/foobar');
print $timestamp;
 
//=> 1205621108

    Ruby’s File.mtime method accomplishes the same task, only it returns an instance of Time instead of an integer:

    Ruby

    time = File.mtime('/path/to/foobar')
p time
 
#=> Sat Mar 15 15:45:08 -0700 2008

    If you then need the timestamp (seconds since Unix epoch) as an integer, use the Time#to_i method:

    Ruby

    timestamp = time.to_i
p timestamp
 
#=> 1205621108

    see also

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