Deprecated: Return type of ExplodeIterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/public/dev/includes/StringUtils.php on line 571

Deprecated: Return type of ExplodeIterator::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/public/dev/includes/StringUtils.php on line 585

Deprecated: Return type of ExplodeIterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/public/dev/includes/StringUtils.php on line 578

Deprecated: Return type of ExplodeIterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/public/dev/includes/StringUtils.php on line 603

Deprecated: Return type of ExplodeIterator::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/public/dev/includes/StringUtils.php on line 553

Warning: Private methods cannot be final as they are never overridden by other classes in /home/public/dev/includes/Action.php on line 64

Deprecated: Return type of ResultWrapper::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/public/dev/includes/db/DatabaseUtility.php on line 186

Deprecated: Return type of ResultWrapper::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/public/dev/includes/db/DatabaseUtility.php on line 203

Deprecated: Return type of ResultWrapper::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/public/dev/includes/db/DatabaseUtility.php on line 196

Deprecated: Return type of ResultWrapper::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/public/dev/includes/db/DatabaseUtility.php on line 212

Deprecated: Return type of ResultWrapper::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/public/dev/includes/db/DatabaseUtility.php on line 175

Deprecated: header(): Passing null to parameter #3 ($response_code) of type int is deprecated in /home/public/dev/includes/WebResponse.php on line 38

Deprecated: header(): Passing null to parameter #3 ($response_code) of type int is deprecated in /home/public/dev/includes/WebResponse.php on line 38

Deprecated: header(): Passing null to parameter #3 ($response_code) of type int is deprecated in /home/public/dev/includes/WebResponse.php on line 38

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /home/public/dev/includes/SkinTemplate.php on line 331

Deprecated: Optional parameter $attribs declared before required parameter $contents is implicitly treated as a required parameter in /home/public/dev/includes/Xml.php on line 131
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Deprecated: Optional parameter $label declared before required parameter $alt is implicitly treated as a required parameter in /home/public/dev/includes/Linker.php on line 752

Retrieved from "http://www.qrstree.info/dev/index.php/Special:Book"

Deprecated: header(): Passing null to parameter #3 ($response_code) of type int is deprecated in /home/public/dev/includes/WebResponse.php on line 38

Deprecated: header(): Passing null to parameter #3 ($response_code) of type int is deprecated in /home/public/dev/includes/WebResponse.php on line 38

Deprecated: header(): Passing null to parameter #3 ($response_code) of type int is deprecated in /home/public/dev/includes/WebResponse.php on line 38

Deprecated: ctype_digit(): Argument of type bool will be interpreted as string in the future in /home/public/dev/includes/objectcache/BagOStuff.php on line 342

Deprecated: ctype_digit(): Argument of type bool will be interpreted as string in the future in /home/public/dev/includes/objectcache/BagOStuff.php on line 342

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