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<?php |
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namespace Baka\Support; |
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class Str |
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{ |
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/** |
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* Converts the underscore_notation to the UpperCamelCase |
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* |
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* @param string $string |
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* @param string $delimiter |
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* |
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* @return string |
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*/ |
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public static function camelize(string $string, string $delimiter = '_'): string |
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{ |
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$delimiterArray = str_split($delimiter); |
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foreach ($delimiterArray as $delimiter) { |
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$stringParts = explode($delimiter, $string); |
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$stringParts = array_map('strtolower', $stringParts); |
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$stringParts = array_map('ucfirst', $stringParts); |
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$string = implode('', $stringParts); |
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} |
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return $string; |
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} |
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/** |
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* Check if a string is ends with a given substring. |
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* public static function endsWith($haystack, $needle) |
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* |
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* @param string $haystack |
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* @param string $needle |
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* |
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* @return bool |
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*/ |
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public static function endsWith(string $haystack, string $needle): bool |
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{ |
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return mb_substr($haystack, -mb_strlen($needle)) === $needle; |
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} |
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/** |
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* Returns the first string there is between the strings from the parameter start and end. |
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* |
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* @param string $haystack |
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* @param string $start |
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* @param string $end |
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* |
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* @return string |
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*/ |
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public static function firstStringBetween(string $haystack, string $start, string $end): string |
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{ |
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return trim(mb_strstr(mb_strstr($haystack, $start), $end, true), $start . $end); |
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} |
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/** |
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* Lets you determine whether or not a string includes another string. |
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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 includes(string $needle, string $haystack): bool |
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{ |
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return false !== mb_strpos($haystack, $needle); |
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} |
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/** |
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* Compare two strings and returns true if both strings are anagram, false otherwise. |
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* |
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* @param string $string1 |
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* @param string $string2 |
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* |
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* @return bool |
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*/ |
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public static function isAnagram(string $string1, string $string2): bool |
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{ |
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return count_chars($string1, 1) === count_chars($string2, 1); |
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} |
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/** |
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* Returns true if the given string is lower case, false otherwise. |
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* |
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* @param string $string |
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* |
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* @return bool |
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*/ |
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public static function isLowerCase(string $string): bool |
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{ |
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return $string === mb_strtolower($string); |
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} |
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/** |
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* Returns true if the given string is upper case, false otherwise. |
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* |
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* @param string $string |
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* |
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* @return bool |
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*/ |
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public static function isUpperCase(string $string): bool |
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{ |
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return $string === mb_strtoupper($string); |
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} |
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/** |
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* Returns true if the given string is a palindrome, false otherwise. |
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* |
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* @param string $string |
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* |
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* @return bool |
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*/ |
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public static function palindrome(string $string): bool |
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{ |
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return strrev($string) === $string; |
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} |
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/** |
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* Check if a string is starts with a given substring. |
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* |
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* @param string $haystack |
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* @param string $needle |
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* |
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* @return bool |
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*/ |
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public static function startsWith(string $haystack, string $needle): bool |
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{ |
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return mb_substr($haystack, 0, mb_strlen($needle)) === $needle; |
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} |
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/** |
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* Retuns number of vowels in provided string. |
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* Use a regular expression to count the number of vowels (A, E, I, O, U) in a string. |
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* |
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* @param string $string |
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* |
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* @return int |
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*/ |
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public static function countVowels(string $string): int |
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{ |
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preg_match_all('/[aeiou]/i', $string, $matches); |
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return \count($matches[0]); |
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} |
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/** |
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* Decapitalizes the first letter of the sring and then adds it with rest of the string. Omit the upperRest parameter to keep the |
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* rest of the string intact, or set it to true to convert to uppercase. |
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* |
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* @param string $string |
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* @param bool $upperRest |
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* |
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* @return string |
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*/ |
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public static function decapitalize(string $string, bool $upperRest = false): string |
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{ |
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return mb_strtolower(mb_substr($string, 0, 1)) . ($upperRest ? mb_strtoupper(mb_substr($string, 1)) : mb_substr($string, 1)); |
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} |
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/** |
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* Substring a string to specific lenght, but removing whole words |
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* |
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* @param string $string |
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* @param int $to |
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* |
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* @return string |
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*/ |
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public static function substringByWord(string $string, int $to): string |
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{ |
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if (mb_strlen($string) > $to && preg_match("/^.{1,$to}\b/s", $string, $matches)) { |
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$string = $matches[0]; |
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} |
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return mb_substr($string, 0, $to); |
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} |
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/** |
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* Convert a number to an excel column letter |
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* EJ: 'A'+22 = W; |
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* |
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* @param string $letter Initial Letter |
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* @param int $number Number of letters to increase |
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* |
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* @return string |
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*/ |
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public static function letterPlusNumber(string $letter, int $number): string |
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{ |
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for ($i = 0; $i < $number; ++$i) { |
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++$letter; |
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} |
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return (string) $letter; |
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} |
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} |
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