public static function executable($class, array $options = array())
{
$defaults = array('self' => true, 'filter' => true, 'methods' => array(), 'empty' => array(' ', "\t", '}', ')', ';'), 'pattern' => null, 'blockOpeners' => array('switch (', 'try {', '} else {', 'do {', '} while'));
$options += $defaults;
if (empty($options['pattern']) && $options['filter']) {
$pattern = str_replace(' ', '\\s*', join('|', array_map(function ($str) {
return preg_quote($str, '/');
}, $options['blockOpeners'])));
$pattern = join('|', array("({$pattern})", "\\\$(.+)\\(\$", "\\s*['\"]\\w+['\"]\\s*=>\\s*.+[\\{\\(]\$", "\\s*['\"]\\w+['\"]\\s*=>\\s*['\"]*.+['\"]*\\s*"));
$options['pattern'] = "/^({$pattern})/";
}
if (!$class instanceof ReflectionClass) {
$class = new ReflectionClass(is_object($class) ? get_class($class) : $class);
}
$options += array('group' => false);
$result = array_filter(static::methods($class, 'ranges', $options));
if ($options['filter'] && $class->getFileName() && $result) {
$lines = static::lines($class->getFileName(), $result);
$start = key($lines);
$code = implode("\n", $lines);
$tokens = token_get_all('<' . '?php' . $code);
$tmp = array();
foreach ($tokens as $token) {
if (is_array($token)) {
if (!in_array($token[0], array(T_COMMENT, T_DOC_COMMENT, T_WHITESPACE))) {
$tmp[] = $token[2];
}
}
}
$filteredLines = array_values(array_map(function ($ln) use($start) {
return $ln + $start - 1;
}, array_unique($tmp)));
$lines = array_intersect_key($lines, array_flip($filteredLines));
$result = array_keys(array_filter($lines, function ($line) use($options) {
$line = trim($line);
$empty = preg_match($options['pattern'], $line);
return $empty ? false : str_replace($options['empty'], '', $line) !== '';
}));
}
return $result;
}