array getopt2(
array
$args, string
$short_options, [array
$long_options = null], [boolean
$skip_unknown = false])
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Parses the command-line options.
The first parameter to this function should be the list of command-line arguments without the leading reference to the running program.
The second parameter is a string of allowed short options. Each of the option letters can be followed by a colon ':' to specify that the option requires an argument, or a double colon '::' to specify that the option takes an optional argument.
The third argument is an optional array of allowed long options. The leading '--' should not be included in the option name. Options that require an argument should be followed by '=', and options that take an option argument should be followed by '=='.
The return value is an array of two elements: the list of parsed options and the list of non-option command-line arguments. Each entry in the list of parsed options is a pair of elements - the first one specifies the option, and the second one specifies the option argument, if there was one.
Long and short options can be mixed.
Most of the semantics of this function are based on GNU getopt_long().
Parameters:
Safely read the $argv PHP array across different PHP configurations.
Will take care on register_globals and register_argc_argv ini directives
