nelson6e65 /
php_nml
| @@ 151-159 (lines=9) @@ | ||
| 148 | * @return string Same string given, but ensured that is not empty. |
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| 149 | * @throws InvalidArgumentException if string is null or empty. |
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| 150 | */ |
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| 151 | public static function ensureIsNotEmpty($string) |
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| 152 | { |
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| 153 | if (static::ensureIsString($string) === '') { |
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| 154 | $msg = msg('Provided string must not be empty.'); |
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| 155 | throw new InvalidArgumentException($msg); |
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| 156 | } |
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| 157 | ||
| 158 | return $string; |
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| 159 | } |
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| 160 | ||
| 161 | /** |
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| 162 | * Ensures that given string is not empty or whitespaces. |
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| @@ 170-178 (lines=9) @@ | ||
| 167 | * @throws InvalidArgumentException if object is not an `string`. |
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| 168 | * @see \trim() |
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| 169 | */ |
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| 170 | public static function ensureIsNotWhiteSpaces($string) |
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| 171 | { |
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| 172 | if (trim(static::ensureIsNotEmpty($string)) === '') { |
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| 173 | $msg = msg('Provided string must not be white spaces.'); |
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| 174 | throw new InvalidArgumentException($msg); |
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| 175 | } |
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| 176 | ||
| 177 | return $string; |
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| 178 | } |
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| 179 | ||
| 180 | /** |
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| 181 | * Ensures that an string follows the PHP variables naming convention. |
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