(?:`)?(?:the`zend`engine`license,`version`2\.00)?(?:`)?(?:.{,5000})`redistribution`and`use`in`source`and`binary`forms,`with`or`without`modification,`is`permitted`provided`that`the`following`conditions`are`met:`(?:.{,20})`redistributions`of`source`code`must`retain`the`above`copyright`notice,`this`list`of`conditions`and`the`following`disclaimer\.`(?:.{,20})`redistributions`in`binary`form`must`reproduce`the`above`copyright`notice,`this`list`of`conditions`and`the`following`disclaimer`in`the`documentation`and`or`other`materials`provided`with`the`distribution\.`(?:.{,20})`the`names`zend`and`zend`engine`must`not`be`used`to`endorse`or`promote`products`derived`from`this`software`without`prior`permission`from`zend`technologies`ltd\.`for`written`permission,`please`contact`license@zend\.`com\.`(?:.{,20})`zend`technologies`ltd\.`may`publish`revised`and`or`new`versions`of`the`license`from`time`to`time\.`each`version`will`be`given`a`distinguishing`version`number\.`once`covered`code`has`been`published`under`a`particular`version`of`the`license,`you`may`always`continue`to`use`it`under`the`terms`of`that`version\.`you`may`also`choose`to`use`such`covered`code`under`the`terms`of`any`subsequent`version`of`the`license`published`by`zend`technologies`ltd\.`no`one`other`than`zend`technologies`ltd\.`has`the`right`to`modify`the`terms`applicable`to`covered`code`created`under`this`license\.`(?:.{,20})`redistributions`of`any`form`whatsoever`must`retain`the`following`acknowledgement:`this`product`includes`the`zend`engine,`freely`available`at`http:`www\.`zend\.`com`(?:.{,20})`all`advertising`materials`mentioning`features`or`use`of`this`software`must`display`the`following`acknowledgement:`the`zend`engine`is`freely`available`at`http:`www\.`zend\.`com`this`software`is`provided`by`zend`technologies`ltd\.`as`is`and`any`expressed`or`implied`warranties,`including,`but`not`limited`to,`the`implied`warranties`of`merchantability`and`fitness`for`a`particular`purpose`are`disclaimed\.`in`no`event`shall`zend`technologies`ltd\.`be`liable`for`any`direct,`indirect,`incidental,`special,`exemplary,`or`consequential`damages`\(including,`but`not`limited`to,`procurement`of`substitute`goods`or`services;`loss`of`use,`data,`or`profits;`or`business`interruption\)`however`caused`and`on`any`theory`of`liability,`whether`in`contract,`strict`liability,`or`tort`\(including`negligence`or`otherwise\)`arising`in`any`way`out`of`the`use`of`this`software,`even`if`advised`of`the`possibility`of`such`damage\.