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<?php |
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namespace Hgraca\Helper; |
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use Hgraca\Helper\Concept\HelperAbstract; |
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final class StringHelper extends HelperAbstract |
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{ |
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public static function isEmpty(string $value): bool |
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{ |
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return $value === ''; |
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} |
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/** |
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* Returns true if this string starts with the given needle. |
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* |
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* @param string $needle |
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* @param string $haystack |
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* |
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* @return bool |
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*/ |
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public static function has(string $needle, string $haystack): bool |
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{ |
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return $needle === '' || strpos($haystack, $needle) !== false; |
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} |
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/** |
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* Returns true if this string starts with the given needle. |
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* |
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* @param string $needle |
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* @param string $haystack |
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* |
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* @return bool |
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*/ |
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public static function hasBeginning(string $needle, string $haystack): bool |
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{ |
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return $needle === '' || strpos($haystack, $needle) === 0; |
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} |
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/** |
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* Returns true if this string ends with the given needle. |
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* |
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* @param string $needle |
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* @param string $haystack |
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* |
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* @return bool |
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*/ |
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public static function hasEnding(string $needle, string $haystack): bool |
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{ |
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return $needle === '' || substr($haystack, -strlen($needle)) === $needle; |
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} |
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public static function toCamel(string $string, array $wordSeparators = ['-', '_', ' ']): string |
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{ |
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return lcfirst(static::toStudly($string, $wordSeparators)); |
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} |
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public static function toSnake(string $string, string $delimiter = '_', array $wordSeparators = ['-', '_', ' ']): string |
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{ |
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$string = static::toStudly($string, $wordSeparators); |
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$replace = '$1' . $delimiter . '$2'; |
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return ctype_lower($string) ? $string : strtolower(preg_replace('/(.)([A-Z])/', $replace, $string)); |
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} |
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public static function toStudly(string $string, array $wordSeparators = ['-', '_', ' ']): string |
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{ |
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return str_replace(' ', '', ucwords(str_replace($wordSeparators, ' ', $string))); |
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} |
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public static function isJson(string $string): bool |
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{ |
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json_decode($string); |
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return json_last_error() == JSON_ERROR_NONE; |
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} |
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public static function remove(string $search, string $haystack): string |
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{ |
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return static::replace($search, '', $haystack); |
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} |
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public static function removeFromBeginning(string $search, string $haystack): string |
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{ |
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return $search === '' ? $haystack : static::replaceFromBeginning($search, '', $haystack); |
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} |
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public static function removeFromEnd(string $search, string $haystack): string |
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{ |
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return static::replaceFromEnd($search, '', $haystack); |
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} |
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public static function replace(string $search, string $replacement, string $haystack): string |
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{ |
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return str_replace($search, $replacement, $haystack); |
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} |
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public static function replaceFromBeginning(string $search, string $replacement, string $haystack): string |
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{ |
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if ($search === '' || !self::hasBeginning($search, $haystack)) { |
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return $haystack; |
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} |
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$search = '/' . preg_quote($search, '/') . '/'; |
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return preg_replace($search, $replacement, $haystack, 1); |
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} |
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public static function replaceFromEnd(string $search, string $replacement, string $haystack): string |
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{ |
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return strrev(self::replaceFromBeginning(strrev($search), strrev($replacement), strrev($haystack))); |
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} |
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/** |
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* Given a string, it returns an SEO friendly slug. |
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* IE: |
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* echo slug('`~#this_is_%%a!{(title)}[]_of<>_p@o&$st*;,.\/-~!'); // this-is-a-title-of-post |
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* |
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* @param string $string |
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* @param bool $resultWithDashes set this to false if you want output with spaces as a separator |
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* @param bool $inputIsEnglishOnly set this to false if your input contains non english words |
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* |
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* @return string |
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*/ |
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public static function toSlug(string $string, bool $resultWithDashes = true, bool $inputIsEnglishOnly = true): string |
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{ |
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$string = str_replace(['"', '+', "'"], ['', ' ', ''], urldecode($string)); |
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$string = preg_replace('/[\@\$\&]/', '', $string); |
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if ($inputIsEnglishOnly === true) { |
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$string = preg_replace('/[~`\!\@\#\$\%\^\&\*\(\)\_\=\+\/\?\>\<\,\[\]\:\;\|\\\]/', ' ', $string); |
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} else { |
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$string = preg_replace('/[^A-Za-z0-9\s\s+\.\)\(\{\}\-]/', ' ', $string); |
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} |
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$bad_brackets = ['(', ')', '{', '}']; |
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$string = str_replace($bad_brackets, ' ', $string); |
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$string = preg_replace('/\s+/', ' ', $string); |
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$string = trim($string, ' .-'); |
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if ($resultWithDashes === true) { |
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$string = str_replace(' ', '-', $string); |
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} |
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return strtolower(preg_replace('/-+/', '-', $string)); |
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} |
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} |
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hgraca /
php-helper
