/**
* Explodes a string as explode() does, however, not if $sep is escaped or within a string.
*
* @since 1.0.0
*
* @param string $sep Separator.
* @param string $string String.
* @return array
*/
public function explode_ws($sep, $string)
{
$status = 'st';
$to = '';
$output = array();
$num = 0;
for ($i = 0, $len = strlen($string); $i < $len; $i++) {
switch ($status) {
case 'st':
if ($string[$i] === $sep && !$this->parser->escaped($string, $i)) {
++$num;
} elseif ('"' === $string[$i] || "'" === $string[$i] || '(' === $string[$i] && !$this->parser->escaped($string, $i)) {
$status = 'str';
$to = '(' === $string[$i] ? ')' : $string[$i];
isset($output[$num]) ? $output[$num] .= $string[$i] : ($output[$num] = $string[$i]);
} else {
isset($output[$num]) ? $output[$num] .= $string[$i] : ($output[$num] = $string[$i]);
}
break;
case 'str':
if ($string[$i] === $to && !$this->parser->escaped($string, $i)) {
$status = 'st';
}
isset($output[$num]) ? $output[$num] .= $string[$i] : ($output[$num] = $string[$i]);
break;
}
}
if (isset($output[0])) {
return $output;
} else {
return array($output);
}
}
