public function testStrReplaceFirst()
{
$key = 'foo.*.bar.*';
$results = Str::strReplaceFirst('*', '0', $key);
$this->assertEquals('foo.0.bar.*', $results);
$results = Str::strReplaceFirst('no', '0', $results);
$this->assertEquals('foo.0.bar.*', $results);
}
/**
* Accepts a dot-notation array key with wildcards and expands them
* into an array of dot-notation array keys in numerical order.
*
* @param string $key - dot notation
* @param int $size - number of keys to generate per wildcard. Defaults to 10.
* @return array
*/
public static function expandKeys($key, $size = 10)
{
$keys = [];
$original_key = $key;
for ($i = 0; $i < $size; $i++) {
$k = Str::strReplaceFirst('*', $i, $original_key);
if (strpos($k, '*') !== false) {
$sub_keys = static::expandKeys($k, $size);
foreach ($sub_keys as $sk) {
$keys[] = $sk;
}
} else {
$keys[] = $k;
}
}
return $keys;
}
