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<?php |
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namespace Signify\SecurityChecker; |
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final class StringUtil |
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{ |
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/** |
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* Check whether some string starts with some other string. |
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* |
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* @param string $haystack String to check. |
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* @param string[]|string $needles A string or list of strings to check against. |
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* @return boolean Returns true if the haystack starts with any one of the needles. |
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*/ |
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public static function startsWith(string $haystack, $needles): bool |
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{ |
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if (!is_array($needles)) { |
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$needles = [$needles]; |
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} |
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foreach ($needles as $needle) { |
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if (!strlen($needle) || strpos($haystack, $needle) === 0) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Check whether some string ends with some other string. |
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* |
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* @param string $haystack String to check. |
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* @param string[]|string $needles A string or list of strings to check against. |
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* @return boolean Returns true if the haystack ends with any one of the needles. |
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*/ |
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public static function endsWith(string $haystack, $needles): bool |
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{ |
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if (!is_array($needles)) { |
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$needles = [$needles]; |
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} |
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foreach ($needles as $needle) { |
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$length = strlen($needle); |
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if (!$length || substr($haystack, -$length) === $needle) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Remove some strings from the start of some other string. |
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* |
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* @param string $haystack Original string. |
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* @param string[]|string $needles A string or list of strings to remove. |
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* @return string The new string. |
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*/ |
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public static function removeFromStart(string $haystack, $needles): string |
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{ |
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if (!is_array($needles)) { |
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$needles = [$needles]; |
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} |
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foreach ($needles as $needle) { |
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if (self::startsWith($haystack, $needle)) { |
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$toRemoveLength = strlen($needle); |
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$newLength = strlen($haystack) - $toRemoveLength; |
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$haystack = substr($haystack, $toRemoveLength, $newLength); |
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} |
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} |
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return $haystack; |
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} |
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/** |
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* Remove some strings from the end of some other string. |
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* |
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* @param string $haystack Original string. |
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* @param string[]|string $needles A string or list of strings to remove. |
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* @return string The new string. |
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*/ |
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public static function removeFromEnd(string $haystack, $needles): string |
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{ |
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if (!is_array($needles)) { |
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$needles = [$needles]; |
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} |
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foreach ($needles as $needle) { |
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if (self::endsWith($haystack, $needle)) { |
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$newLength = strlen($haystack) - strlen($needle); |
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$haystack = substr($haystack, 0, $newLength); |
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} |
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} |
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return $haystack; |
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} |
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} |
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signify-nz /
composer-security-checker
