function testUsage()
{
$parser = new Parser("Hello World", "hello");
$parser->addFlag("foo", array("alias" => "-f", "help" => "Turn on fooness"));
$parser->addFlag("bar", array("has_value" => true));
$parser->addArgument("baz", array("required" => true));
$parser->addArgument("boo", array("required" => false));
$parser->addArgument("bab", array("var_arg" => true, "help" => "Bla bla bla"));
$this->assertEquals(<<<EOT
Usage: hello [--foo|-f] [--bar <bar>] <baz> [<boo>] [<bab> ...]
Hello World
EOT
, $parser->usage());
$this->assertEquals(<<<EOT
{$parser->usage()}
Arguments:
baz (required)
boo
bab: Bla bla bla
Flags:
-f, --foo: Turn on fooness
--bar <bar>
EOT
, $parser->longUsage());
}
<?php
require __DIR__ . "/../vendor/autoload.php";
use CHH\Optparse;
$parser = new Optparse\Parser("Says Hello", "hello");
function usage_and_exit()
{
global $parser;
fwrite(STDERR, "{$parser->longUsage()}\n");
exit(1);
}
$parser->addFlag("help", array("alias" => "-h", "help" => "Displays this help message"), "usage_and_exit");
$parser->addFlag("shout", array("alias" => "-S", "default" => false, "help" => "Prints in uppercase letters"));
$parser->addArgument("name", array("required" => true, "help" => "The subject's name"));
try {
$parser->parse();
} catch (Optparse\Exception $e) {
fwrite(STDERR, "{$e->getMessage()}\n\n");
usage_and_exit();
}
$msg = "Hello {$parser["name"]}!";
if ($parser["shout"]) {
$msg = strtoupper($msg);
}
echo "{$msg}\n";
<?php
require __DIR__ . "/../vendor/autoload.php";
use CHH\Optparse;
$opts = new Optparse\Parser();
$opts->addFlag("help", array("alias" => "-h"), function () use($opts) {
echo "{$opts->usage()}\n";
exit(0);
});
$opts->addArgument("files", array("var_arg" => true, "required" => true));
try {
$opts->parse();
} catch (Optparse\Exception $e) {
fwrite(STDERR, "{$e->getMessage()}\n\n");
fwrite(STDERR, "{$opts->usage()}\n");
exit(1);
}
foreach ($opts["files"] as $file) {
readfile($file);
echo "\n";
}