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<?php |
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/** |
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* @author Kevin Bond <[email protected]> |
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*/ |
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namespace zenstruck\string; |
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/** |
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* Replaces " " with a single space and converts multiple sequential spaces into a single space. |
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* |
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* @param string $str |
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* |
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* @return string |
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*/ |
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function remove_whitespace($str) |
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{ |
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return preg_replace('/\s+/', ' ', str_replace(' ', ' ', $str)); |
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} |
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/** |
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* Similar to core "trim" but returns null instead of an empty string |
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* When an array is passed, all elements get processed recursively. |
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* |
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* @param string|array $data |
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* @param null|string $character_mask |
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* |
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* @return array|null|string |
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*/ |
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function null_trim($data, $character_mask = null) |
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{ |
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if (is_array($data)) { |
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return array_map( |
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function ($value) use ($character_mask) { |
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return null_trim($value, $character_mask); |
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}, |
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$data |
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); |
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} |
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$trimmedValue = null === $character_mask ? trim($data) : trim($data, $character_mask); |
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if ($trimmedValue === '') { |
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return null; |
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} |
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return $trimmedValue; |
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} |
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/** |
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* Truncates text to a length without breaking words. |
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* |
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* @param string $str |
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* @param int $length |
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* @param string $suffix |
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* |
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* @return string |
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*/ |
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function truncate_word($str, $length = 255, $suffix = '...') |
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{ |
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$output = remove_whitespace(trim($str)); |
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if (strlen($output) > $length) { |
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$output = wordwrap($output, $length - strlen($suffix)); |
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$output = substr($output, 0, strpos($output, "\n")); |
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$output .= $suffix; |
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} |
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return strlen($output) > $length ? '' : $output; |
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} |
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kbond /
string
