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<?php |
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/** |
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* File containing the {@link IniHelper} class. |
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* @package Application Utils |
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* @subpackage IniHelper |
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* @see IniHelper_Section |
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*/ |
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declare(strict_types=1); |
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namespace AppUtils; |
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use AppUtils\IniHelper\INILine; |
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/** |
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* Container for a section in the INI document: stores |
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* all ini lines contained within it, and offers methods |
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* to handle the values. |
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* |
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* @package Application Utils |
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* @subpackage IniHelper |
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* @author Sebastian Mordziol <[email protected]> |
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*/ |
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class IniHelper_Section |
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{ |
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protected IniHelper $ini; |
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protected string $name; |
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/** |
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* @var INILine[] |
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*/ |
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protected array $lines = array(); |
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public function __construct(IniHelper $ini, string $name) |
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{ |
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$this->ini = $ini; |
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$this->name = $name; |
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} |
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/** |
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* The section's name. |
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* @return string |
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*/ |
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public function getName() : string |
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{ |
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return $this->name; |
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} |
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/** |
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* Whether this is the default section: this |
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* is used internally to store all variables that |
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* are not in any specific section. |
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* |
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* @return bool |
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*/ |
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public function isDefault() : bool |
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{ |
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return $this->name === IniHelper::SECTION_DEFAULT; |
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} |
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/** |
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* Adds a line instance to the section. |
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* |
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* @param INILine $line |
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* @return IniHelper_Section |
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*/ |
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public function addLine(INILine $line) : IniHelper_Section |
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{ |
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$this->lines[] = $line; |
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return $this; |
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} |
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/** |
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* Converts the values contained in the section into |
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* an associative array. |
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* |
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* @return array<string,array<int,string>> |
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*/ |
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public function toArray() : array |
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{ |
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$result = array(); |
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foreach($this->lines as $line) |
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{ |
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if(!$line->isValue()) { |
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continue; |
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} |
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$name = $line->getVarName(); |
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if(!isset($result[$name])) |
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{ |
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$result[$name] = $line->getVarValue(); |
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continue; |
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} |
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// name exists in collection? Then this is a |
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// duplicate key, and we need to convert it to |
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// an indexed array of values. |
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if(!is_array($result[$name])) |
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{ |
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$result[$name] = array($result[$name]); |
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} |
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$result[$name][] = $line->getVarValue(); |
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} |
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return $result; |
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} |
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/** |
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* Converts the section's lines into an INI string. |
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* |
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* @return string |
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* @throws IniHelper_Exception |
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*/ |
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public function toString() : string |
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{ |
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$lines = array(); |
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if(!$this->isDefault()) |
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{ |
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$lines[] = '['.$this->getName().']'; |
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} |
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foreach($this->lines as $line) |
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{ |
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// we already did this |
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if($line->isSection()) { |
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continue; |
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} |
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$lines[] = $line->toString(); |
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} |
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return implode($this->ini->getEOLChar(), $lines); |
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} |
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/** |
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* Deletes a line from the section. |
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* |
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* @param INILine $toDelete |
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* @return IniHelper_Section |
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*/ |
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public function deleteLine(INILine $toDelete) : IniHelper_Section |
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{ |
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$keep = array(); |
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foreach($this->lines as $line) |
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{ |
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if($line !== $toDelete) { |
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$keep[] = $line; |
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} |
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} |
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$this->lines = $keep; |
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return $this; |
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} |
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/** |
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* Sets the value of a variable, overwriting any existing value. |
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* |
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* @param string $name |
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* @param mixed $value If an array is specified, it is treated as duplicate keys and will add a line for each value. |
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* @return IniHelper_Section |
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* @throws IniHelper_Exception |
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*/ |
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public function setValue(string $name, $value) : IniHelper_Section |
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{ |
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$lines = $this->getLinesByVariable($name); |
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// array value? Treat it as duplicate keys. |
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// Removes any superfluous values that may |
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// already exist, if there are more than the |
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// new set of values. |
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if(is_array($value)) |
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{ |
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$values = array_values($value); |
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$amountNew = count($values); |
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$amountExisting = count($lines); |
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$max = $amountNew; |
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if($amountExisting > $max) { |
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$max = $amountExisting; |
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} |
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for($i=0; $i < $max; $i++) |
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{ |
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// new value exists |
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if(isset($values[$i])) |
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{ |
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if(isset($lines[$i])) { |
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$lines[$i]->setValue($values[$i]); |
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} else { |
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$this->addValueLine($name, $values[$i]); |
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} |
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} |
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else |
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{ |
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$this->deleteLine($lines[$i]); |
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} |
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} |
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} |
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// single value: if duplicate keys exist, they |
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// are removed and replaced by a single value. |
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else |
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{ |
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// remove all superfluous lines |
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if(!empty($lines)) |
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{ |
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$line = array_shift($lines); // keep only the first line |
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$line->setValue($value); |
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foreach($lines as $delete) { |
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$this->deleteLine($delete); |
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} |
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} |
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else |
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{ |
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$this->addValueLine($name, $value); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Adds a variable value to the section. Unlike setValue(), this |
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* will not overwrite any existing value. If the name is an existing |
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* variable name, it will be converted to duplicate keys. |
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* |
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* @param string $name |
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* @param mixed $value If this is an array, it will be treated as duplicate keys, and all values that are not present yet will be added. |
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* @return IniHelper_Section |
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*/ |
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public function addValue(string $name, $value) : IniHelper_Section |
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{ |
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// array value? Treat it as duplicate keys. |
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if(is_array($value)) |
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{ |
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$values = array_values($value); |
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foreach($values as $setValue) |
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{ |
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$this->addValue($name, $setValue); |
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} |
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return $this; |
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} |
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$lines = $this->getLinesByVariable($name); |
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if(empty($lines)) |
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{ |
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$this->addValueLine($name, $value); |
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} |
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else |
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{ |
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$found = false; |
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foreach($lines as $line) |
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{ |
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if($line->getVarValue() === $value) { |
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$found = $line; |
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break; |
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} |
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} |
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if(!$found) |
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{ |
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$this->addValueLine($name, $value); |
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} |
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} |
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return $this; |
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} |
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/** |
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* @param string $name |
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* @param mixed|NULL $value |
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* @return INILine |
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* @throws IniHelper_Exception |
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*/ |
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protected function addValueLine(string $name, $value) : INILine |
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{ |
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$line = new INILine( |
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sprintf('%s=%s', $name, 'dummyvalue'), |
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0 |
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); |
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$line->setValue($value); |
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$this->addLine($line); |
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return $line; |
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} |
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/** |
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* Retrieves all lines for the specified variable name. |
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* |
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* @param string $name |
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* @return INILine[] |
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*/ |
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public function getLinesByVariable(string $name) : array |
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{ |
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$result = array(); |
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foreach($this->lines as $line) |
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{ |
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if($line->isValue() && $line->getVarName() === $name) { |
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$result[] = $line; |
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} |
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} |
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return $result; |
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} |
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} |
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