flack /
openpsa
| @@ 177-201 (lines=25) @@ | ||
| 174 | * @param string version |
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| 175 | * @return string versionid before this one or empty string. |
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| 176 | */ |
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| 177 | public function get_prev_version($version) |
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| 178 | { |
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| 179 | $versions = $this->list_history_numeric(); |
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| 180 | ||
| 181 | if ( !in_array($version, $versions) |
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| 182 | || $version === end($versions)) |
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| 183 | { |
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| 184 | return ''; |
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| 185 | } |
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| 186 | ||
| 187 | $mode = end($versions); |
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| 188 | ||
| 189 | while( $mode |
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| 190 | && $mode !== $version) |
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| 191 | { |
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| 192 | $mode = prev($versions); |
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| 193 | ||
| 194 | if ($mode === $version) |
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| 195 | { |
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| 196 | return next($versions); |
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| 197 | } |
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| 198 | } |
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| 199 | ||
| 200 | return ''; |
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| 201 | } |
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| 202 | ||
| 203 | /** |
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| 204 | * Mirror method for get_prev_version() |
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| @@ 220-244 (lines=25) @@ | ||
| 217 | * @param string version |
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| 218 | * @return string versionid before this one or empty string. |
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| 219 | */ |
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| 220 | public function get_next_version($version) |
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| 221 | { |
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| 222 | $versions = $this->list_history_numeric(); |
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| 223 | ||
| 224 | if ( !in_array($version, $versions) |
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| 225 | || $version === current($versions)) |
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| 226 | { |
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| 227 | return ''; |
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| 228 | } |
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| 229 | ||
| 230 | $mode = current($versions); |
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| 231 | ||
| 232 | while ( $mode |
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| 233 | && $mode !== $version) |
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| 234 | { |
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| 235 | $mode = next($versions); |
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| 236 | ||
| 237 | if ($mode === $version) |
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| 238 | { |
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| 239 | return prev($versions); |
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| 240 | } |
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| 241 | } |
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| 242 | ||
| 243 | return ''; |
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| 244 | } |
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| 245 | ||
| 246 | /** |
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| 247 | * Return a list of the revisions as a key => value pair where |
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