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<?php |
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/* |
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* This file is part of Rivescript-php |
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* |
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* (c) Shea Lewis <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Axiom\Rivescript\Support; |
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/** |
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* Str class |
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* |
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* A collection of string helpers. |
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* |
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* PHP version 7.4 and higher. |
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* |
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* @category Core |
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* @package Support |
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* @author Shea Lewis <[email protected]> |
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* @license https://opensource.org/licenses/MIT MIT |
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* @link https://github.com/axiom-labs/rivescript-php |
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* @since 0.3.0 |
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*/ |
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class Str |
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{ |
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/** |
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* Trim leading and trailing whitespace as well as |
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* whitespace surrounding individual arguments. |
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* |
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* @param string $string The string to remove whitespace from. |
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* |
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* @return string |
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*/ |
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public static function removeWhitespace(string $string): string |
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{ |
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return preg_replace('/[\pC\pZ]+/u', ' ', trim($string)); |
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} |
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/** |
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* Determine if string starts with the supplied needle. |
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* |
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* @param string $haystack The containing string. |
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* @param string $needle The needle to look for. |
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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 $needle === '' or mb_strrpos($haystack, $needle, -mb_strlen($haystack)) !== false; |
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} |
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/** |
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* Determine if string ends with the supplied 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 $needle === '' or (($temp = mb_strlen($haystack) - mb_strlen($needle)) >= 0 and mb_strpos( |
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$haystack, |
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$needle, |
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$temp |
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) !== false); |
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} |
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} |
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johnnymast /
rivescript-php
