nelson6e65 /
php_nml
| @@ 167-175 (lines=9) @@ | ||
| 164 | * @return string Same string given, but ensured that is not empty. |
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| 165 | * @throws InvalidArgumentException if string is null or empty. |
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| 166 | */ |
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| 167 | public static function ensureIsNotEmpty($string) |
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| 168 | { |
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| 169 | if (static::ensureIsString($string) === '') { |
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| 170 | $msg = msg('Provided string must not be empty.'); |
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| 171 | throw new InvalidArgumentException($msg); |
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| 172 | } |
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| 173 | ||
| 174 | return $string; |
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| 175 | } |
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| 176 | ||
| 177 | /** |
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| 178 | * Ensures that given string is not empty or whitespaces. |
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| @@ 186-194 (lines=9) @@ | ||
| 183 | * @throws InvalidArgumentException if object is not an `string`. |
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| 184 | * @see \trim() |
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| 185 | */ |
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| 186 | public static function ensureIsNotWhiteSpaces($string) |
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| 187 | { |
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| 188 | if (trim(static::ensureIsNotEmpty($string)) === '') { |
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| 189 | $msg = msg('Provided string must not be white spaces.'); |
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| 190 | throw new InvalidArgumentException($msg); |
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| 191 | } |
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| 192 | ||
| 193 | return $string; |
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| 194 | } |
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| 195 | ||
| 196 | /** |
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| 197 | * Ensures that an string follows the PHP variables naming convention. |
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