Complex classes like CLI_Action often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use CLI_Action, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 8 | class CLI_Action { |
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| 9 | |||
| 10 | var $name; |
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| 11 | var $description; |
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| 12 | var $module; |
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| 13 | var $soap; |
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| 14 | var $params; |
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| 15 | var $soapCommand; |
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| 16 | function CLI_Action($name, $description) { |
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| 17 | $this->name = $name; |
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| 18 | $this->soapCommand = $name; |
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| 19 | $this->description = $description; |
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| 20 | $this->params = array(); |
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| 21 | $this->addParam(array( |
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| 22 | 'name' => 'quiet', |
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| 23 | 'description' => '--quiet or -q Quiet-mode. Suppress result output.', |
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| 24 | 'parameters' => array('q', 'quiet'), |
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| 25 | 'value_required' => false, |
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| 26 | 'soap' => false, |
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| 27 | )); |
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| 28 | $this->addProjectParam(); |
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| 29 | } |
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| 30 | function addProjectParam() { |
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| 31 | $this->addParam(array( |
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| 32 | 'name' => 'group_id', |
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| 33 | 'description' => '--project=<name> Name of the project the item belongs to. If you specified the name of |
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| 34 | the working project when you logged in, this parameter is not needed.', |
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| 35 | 'parameters' => array('project'), |
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| 36 | )); |
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| 37 | } |
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| 38 | function getName() { |
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| 56 | function help() { |
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| 57 | $help = $this->getName() .":\n"; |
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| 58 | $help .= $this->getDescription() ."\n\n"; |
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| 59 | $help .= "Available parameters:\n"; |
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| 60 | foreach($this->params as $param) { |
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| 61 | $help .= " ". $param['description'] ."\n"; |
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| 62 | } |
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| 63 | $help .= "\n --help Show this screen\n"; |
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| 64 | return $help; |
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| 65 | } |
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| 66 | |||
| 67 | function soapResult($params, $soap_result, $fieldnames = array(), $loaded_params = array()) { |
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| 70 | function loadParams($params) { |
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| 71 | $all_params = array('soap' => array(), 'others' => array()); |
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| 72 | foreach($this->params as $param) { |
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| 73 | $search_for = $param['name']; |
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| 74 | if (isset($param['parameters'])) { |
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| 75 | $search_for = $param['parameters']; |
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| 76 | } |
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| 77 | $type = 'soap'; |
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| 78 | if (isset($param['soap']) && !$param['soap']) { |
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| 79 | $type = 'others'; |
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| 80 | } |
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| 81 | $value_required = !isset($param['value_required']) || $param['value_required']; |
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| 82 | if (isset($param['method'])) { |
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| 83 | $t = call_user_func_array($param['method'], array(&$params)); |
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| 84 | } else { |
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| 85 | $t = $this->module->getParameter($params, $search_for, $value_required); |
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| 86 | } |
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| 87 | if (!method_exists($this, 'validate_'. $param['name']) |
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| 88 | || |
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| 89 | call_user_func_array(array($this, 'validate_'. $param['name']), array(&$t)) |
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| 90 | ) { |
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| 91 | $all_params[$type][$param['name']] = $t; |
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| 92 | } |
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| 93 | } |
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| 94 | return $all_params; |
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| 95 | } |
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| 96 | function confirmation($params) { |
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| 109 | /*function soapError() { |
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| 110 | if (($error = $GLOBALS['soap']->getError())) { |
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| 111 | $GLOBALS['LOG']->add($GLOBALS['soap']->responseData); |
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| 112 | exit_error($error, $GLOBALS['soap']->faultcode); |
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| 113 | } |
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| 114 | }*/ |
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| 115 | |||
| 116 | function execute($params) { |
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| 136 | |||
| 137 | function validate_group_id(&$group_id) { |
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| 141 | |||
| 142 | function user_confirm($msg) { |
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| 146 | /** |
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| 147 | * show_output - Format a SOAP result in order to display it on the user's screen |
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| 148 | * |
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| 149 | * extracted from GForge Command-line Interface |
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| 150 | * contained in GForge. |
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| 151 | * Copyright 2005 GForge, LLC |
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| 152 | * http://gforge.org/ |
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| 153 | * |
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| 154 | * @param array Result of a SOAP call |
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| 155 | * @param array Titles to assign to each field (optional). |
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| 156 | */ |
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| 157 | function show_output($result, $fieldnames = array()) { |
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| 158 | // There are 3 types of output: a scalar (int, string), a vector or a matrix (table-like). |
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| 159 | // Try to guess which output is the best for $result |
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| 160 | if (is_object($result)) { |
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| 161 | |||
| 162 | $this->show_object($result, $fieldnames); |
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| 163 | |||
| 164 | } elseif(is_array($result)) { |
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| 165 | |||
| 166 | if (count($result) == 0) { |
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| 167 | echo "No results\n"; |
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| 168 | return; |
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| 169 | } |
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| 170 | |||
| 171 | if (isset($result[0]) && is_array($result[0])) { |
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| 172 | $this->show_matrix($result, $fieldnames); |
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| 173 | } elseif (isset($result[0]) && is_object($result[0])) { |
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| 174 | $this->show_matrix($result, $fieldnames); |
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| 175 | } else { |
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| 176 | $this->show_vector($result, $fieldnames); |
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| 177 | } |
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| 178 | } else { |
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| 179 | $this->show_scalar($result, $fieldnames); |
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| 180 | } |
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| 181 | } |
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| 182 | |||
| 183 | /** |
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| 184 | * Check if the object returned by a SOAP call is valid |
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| 185 | * @see CLI_Action::show_object() |
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| 186 | * |
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| 187 | * @param array $row Result of a SOAP call |
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| 188 | * |
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| 189 | * @return Boolean |
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| 190 | */ |
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| 191 | private function isIterable($row) { |
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| 194 | |||
| 195 | function show_object($result, $fieldnames = array()) { |
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| 196 | $titles = array(); |
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| 197 | $lengths = array(); |
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| 198 | |||
| 199 | // this is for showing multidimensional arrays |
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| 200 | static $recursive_id = 1; |
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| 201 | |||
| 202 | foreach ($result as $colname => $value) { |
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| 203 | if (!isset($titles[$colname])) { |
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| 204 | if (!isset($fieldnames[$colname])) { |
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| 205 | $titles[$colname] = $colname; |
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| 206 | } else { |
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| 207 | $titles[$colname] = $fieldnames[$colname]; |
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| 208 | } |
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| 209 | } |
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| 210 | |||
| 211 | if (!is_array($value)) { |
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| 212 | if (!isset($lengths[$colname]) || $lengths[$colname] < strlen($value)+2) { |
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| 213 | $lengths[$colname] = max(strlen($value), strlen($titles[$colname])); |
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| 214 | $lengths[$colname] += 2; |
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| 215 | } |
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| 216 | } else { |
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| 217 | $lengths[$colname] = strlen($titles[$colname]) + 2; |
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| 218 | } |
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| 219 | } |
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| 220 | |||
| 221 | // show the titles |
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| 222 | foreach ($titles as $colname => $title) { |
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| 223 | $length = $lengths[$colname]; |
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| 224 | echo "+".str_repeat("-", $length); |
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| 225 | } |
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| 226 | echo "+\n"; |
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| 227 | foreach ($titles as $colname => $title) { |
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| 228 | $length = $lengths[$colname]; |
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| 229 | echo "|".$this->center_text($title, $length); |
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| 230 | } |
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| 231 | echo "|\n"; |
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| 232 | foreach ($titles as $colname => $title) { |
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| 233 | $length = $lengths[$colname]; |
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| 234 | echo "+".str_repeat("-", $length); |
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| 235 | } |
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| 236 | echo "+\n"; |
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| 237 | |||
| 238 | $recursive_items = array(); |
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| 239 | // now show the values |
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| 240 | foreach ($result as $colname => $value) { |
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| 241 | // recursively show the multi dimensional array |
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| 242 | if (is_array($value)) { |
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| 243 | if (array_key_exists($colname, $fieldnames)) $rec_titles = $fieldnames[$colname]; |
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| 244 | else $rec_titles = array(); |
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| 245 | $recursive_items[$recursive_id] = array("titles" => $rec_titles, "values" => $value); |
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| 246 | // show the reference # instead |
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| 247 | $value = "[".$recursive_id."]"; |
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| 248 | $recursive_id++; |
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| 249 | } |
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| 250 | |||
| 251 | $length = $lengths[$colname]; |
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| 252 | if (is_array($value)) continue; |
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| 253 | echo "| ".$value.str_repeat(" ", $length-strlen($value)-1); |
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| 254 | } |
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| 255 | echo "|\n"; |
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| 256 | |||
| 257 | |||
| 258 | // show last line |
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| 259 | foreach ($titles as $colname => $title) { |
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| 260 | $length = $lengths[$colname]; |
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| 261 | echo "+".str_repeat("-", $length); |
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| 262 | } |
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| 263 | echo "+\n"; |
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| 264 | |||
| 265 | // now recursively show the multidimensional array |
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| 266 | foreach ($recursive_items as $id => $item) { |
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| 267 | echo "\n"; |
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| 268 | echo "[".$id."]:\n"; |
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| 269 | $this->show_output($item["values"], $item["titles"]); |
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| 270 | } |
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| 271 | } |
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| 272 | |||
| 273 | |||
| 274 | function show_objects($result, $fieldnames = array()) { |
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| 275 | $titles = array(); |
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| 276 | $lengths = array(); |
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| 277 | |||
| 278 | // this is for showing multidimensional arrays |
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| 279 | static $recursive_id = 1; |
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| 280 | |||
| 281 | foreach ($result as $row) { |
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| 282 | foreach ($row as $colname => $value) { |
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| 283 | if (!isset($titles[$colname])) { |
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| 284 | if (!isset($fieldnames[$colname])) { |
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| 285 | $titles[$colname] = $colname; |
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| 286 | } else { |
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| 287 | $titles[$colname] = $fieldnames[$colname]; |
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| 288 | } |
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| 289 | } |
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| 290 | |||
| 291 | if (!is_array($value)) { |
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| 292 | if (!isset($lengths[$colname]) || $lengths[$colname] < strlen($value)+2) { |
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| 293 | $lengths[$colname] = max(strlen($value), strlen($titles[$colname])); |
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| 294 | $lengths[$colname] += 2; |
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| 295 | } |
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| 296 | } else { |
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| 297 | $lengths[$colname] = strlen($titles[$colname]) + 2; |
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| 298 | } |
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| 299 | } |
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| 300 | } |
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| 301 | |||
| 302 | // show the titles |
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| 303 | foreach ($titles as $colname => $title) { |
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| 304 | $length = $lengths[$colname]; |
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| 305 | echo "+".str_repeat("-", $length); |
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| 306 | } |
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| 307 | echo "+\n"; |
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| 308 | foreach ($titles as $colname => $title) { |
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| 309 | $length = $lengths[$colname]; |
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| 310 | echo "|".$this->center_text($title, $length); |
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| 311 | } |
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| 312 | echo "|\n"; |
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| 313 | foreach ($titles as $colname => $title) { |
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| 314 | $length = $lengths[$colname]; |
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| 315 | echo "+".str_repeat("-", $length); |
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| 316 | } |
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| 317 | echo "+\n"; |
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| 318 | |||
| 319 | $recursive_items = array(); |
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| 320 | // now show the values |
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| 321 | foreach ($result as $row) { |
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| 322 | foreach ($row as $colname => $value) { |
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| 323 | // recursively show the multi dimensional array |
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| 324 | if (is_array($value)) { |
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| 325 | if (array_key_exists($colname, $fieldnames)) $rec_titles = $fieldnames[$colname]; |
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| 326 | else $rec_titles = array(); |
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| 327 | $recursive_items[$recursive_id] = array("titles" => $rec_titles, "values" => $value); |
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| 328 | // show the reference # instead |
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| 329 | $value = "[".$recursive_id."]"; |
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| 330 | $recursive_id++; |
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| 331 | } |
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| 332 | |||
| 333 | $length = $lengths[$colname]; |
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| 334 | if (is_array($value)) continue; |
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| 335 | echo "| ".$value.str_repeat(" ", $length-strlen($value)-1); |
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| 336 | } |
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| 337 | echo "|\n"; |
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| 338 | } |
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| 339 | |||
| 340 | // show last line |
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| 341 | foreach ($titles as $colname => $title) { |
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| 342 | $length = $lengths[$colname]; |
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| 343 | echo "+".str_repeat("-", $length); |
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| 344 | } |
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| 345 | echo "+\n"; |
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| 346 | |||
| 347 | // now recursively show the multidimensional array |
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| 348 | foreach ($recursive_items as $id => $item) { |
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| 349 | echo "\n"; |
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| 350 | echo "[".$id."]:\n"; |
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| 351 | $this->show_output($item["values"], $item["titles"]); |
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| 352 | } |
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| 353 | } |
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| 354 | |||
| 355 | /** |
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| 356 | * extracted from GForge Command-line Interface |
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| 357 | * contained in GForge. |
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| 358 | * Copyright 2005 GForge, LLC |
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| 359 | * http://gforge.org/ |
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| 360 | * |
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| 361 | */ |
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| 362 | function show_scalar($result, $fieldnames = array()) { |
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| 363 | $title = (isset($fieldnames[0])) ? $fieldnames[0] : "Result"; |
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| 364 | // convert to string (may be an int) |
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| 365 | $result = "$result"; |
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| 366 | $length = max(strlen($result), strlen($title)); |
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| 367 | $length = $length + 2; // +2 for having spaces at the beginning and the end |
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| 368 | |||
| 369 | // show the title |
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| 370 | echo "+".str_repeat("-", $length)."+\n"; |
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| 371 | echo "|".$this->center_text($title, $length)."|\n"; |
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| 372 | echo "+".str_repeat("-", $length)."+\n"; |
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| 373 | |||
| 374 | // show the item |
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| 375 | echo "| ".$result.str_repeat(" ", $length-strlen($result)-1)."|\n"; |
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| 376 | echo "+".str_repeat("-", $length)."+\n"; |
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| 377 | } |
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| 378 | |||
| 379 | /** |
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| 380 | * extracted from GForge Command-line Interface |
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| 381 | * contained in GForge. |
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| 382 | * Copyright 2005 GForge, LLC |
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| 383 | * http://gforge.org/ |
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| 384 | * |
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| 385 | */ |
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| 386 | function show_vector($result, $fieldnames = array()) { |
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| 387 | // There are two types of vector: those that are a set of items and those |
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| 388 | // that are just like a row in the database. For the second case, reuse the |
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| 389 | // show_matrix function considering the vector as a 1-row matrix |
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| 390 | if (!isset($result[0])) { |
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| 391 | // This happens when $result is an indexed array (i.e. $result["fieldname"]. In this |
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| 392 | // case consider $result as a 1 row matrix |
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| 393 | $foo_matrix = array(); |
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| 394 | $foo_matrix[] = $result; |
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| 395 | $this->show_matrix($foo_matrix, $fieldnames); |
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| 396 | return; |
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| 397 | } |
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| 398 | |||
| 399 | $title = (isset($fieldnames[0])) ? $fieldnames[0] : "Result"; |
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| 400 | |||
| 401 | $length = strlen($title); |
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| 402 | // get the maximum length for a single item |
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| 403 | foreach ($result as $item) { |
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| 404 | if (is_array($item)) continue; // shouldn't happen |
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| 405 | $length = max(strlen($item), $length); |
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| 406 | } |
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| 407 | $length = $length + 2; // +2 for having spaces at the beginning and the end |
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| 408 | |||
| 409 | // show the title |
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| 410 | echo "+".str_repeat("-", $length)."+\n"; |
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| 411 | echo "|".$this->center_text($title, $length)."|\n"; |
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| 412 | echo "+".str_repeat("-", $length)."+\n"; |
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| 413 | |||
| 414 | // show each item |
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| 415 | foreach ($result as $item) { |
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| 416 | echo "| ".$item.str_repeat(" ", $length-strlen($item)-1)."|\n"; |
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| 417 | } |
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| 418 | |||
| 419 | // show last line |
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| 420 | echo "+".str_repeat("-", $length)."+\n"; |
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| 421 | } |
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| 422 | |||
| 423 | /** |
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| 424 | * extracted from GForge Command-line Interface |
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| 425 | * contained in GForge. |
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| 426 | * Copyright 2005 GForge, LLC |
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| 427 | * http://gforge.org/ |
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| 428 | * |
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| 429 | */ |
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| 430 | function show_matrix($result, $fieldnames = array()) { |
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| 539 | /** |
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| 540 | * center_text - Given a text and a length, returns a string of length $lenght with $text located in |
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| 541 | * the middle (the string is padded with whitespaces). |
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| 542 | * |
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| 543 | * extracted from GForge Command-line Interface |
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| 544 | * contained in GForge. |
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| 545 | * Copyright 2005 GForge, LLC |
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| 546 | * http://gforge.org/ |
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| 547 | * |
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| 548 | * @param string |
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| 549 | * @param int |
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| 550 | */ |
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| 551 | function center_text($text, $length) { |
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| 552 | if (strlen($text) >= $length) return $text; |
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| 553 | $delta = $length - strlen($text); |
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| 554 | $pad_left = floor($delta/2); |
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| 555 | $pad_right = $delta - $pad_left; |
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| 556 | return str_repeat(" ", $pad_left).$text.str_repeat(" ", $pad_right); |
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| 557 | } |
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| 558 | |||
| 559 | /** |
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| 560 | * get_group_id - Given a group UNIX name, returns the group ID or 0 if the group doesn't exists |
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| 561 | * |
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| 562 | * extracted from GForge Command-line Interface |
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| 563 | * contained in GForge. |
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| 564 | * Copyright 2005 GForge, LLC |
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| 565 | * http://gforge.org/ |
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| 566 | * |
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| 567 | * @param string UNIX name of the project |
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| 568 | */ |
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| 569 | function get_group_id($unix_group_name) { |
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| 587 | var $cached_group_id; |
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| 588 | |||
| 589 | /** |
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| 590 | * get_working_group - Return the ID of the group the user is currently working with. The name of the group can be defined |
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| 591 | * on the session or in the parameters. |
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| 592 | * |
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| 593 | * extracted from GForge Command-line Interface |
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| 594 | * contained in GForge. |
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| 595 | * Copyright 2005 GForge, LLC |
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| 596 | * http://gforge.org/ |
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| 597 | * |
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| 598 | * @param array An array of parameters to look for the defined group. If the group isn't in the parameters, looks in the session |
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| 599 | * @param bool Specify if we should abort the program if the group isn't found |
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| 600 | */ |
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| 601 | function get_working_group($group_name, $die=true) { |
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| 617 | |||
| 618 | /** |
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| 619 | * check_date - Check if a date entered by the user is correctly formatted and it is valid. |
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| 620 | * |
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| 621 | * extracted from GForge Command-line Interface |
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| 622 | * contained in GForge. |
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| 623 | * Copyright 2005 GForge, LLC |
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| 624 | * http://gforge.org/ |
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| 625 | * |
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| 626 | * @param string Date |
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| 627 | * @return string String with the error (if any) |
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| 628 | */ |
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| 629 | function check_date($date) { |
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| 645 | |||
| 646 | /** |
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| 647 | * convert_date - Convert a date entered by the user in format YYYY-MM-DD to a timestamp |
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| 648 | * to be inserted in the database. |
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| 649 | * |
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| 650 | * extracted from GForge Command-line Interface |
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| 651 | * contained in GForge. |
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| 652 | * Copyright 2005 GForge, LLC |
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| 653 | * http://gforge.org/ |
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| 654 | * |
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| 655 | * This function assumes the date has the correct format |
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| 656 | * @param string Date |
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| 657 | * @return int |
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| 658 | */ |
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| 659 | function convert_date($date) { |
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| 669 | |||
| 670 | } |
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| 671 | |||
| 673 |