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| <?php | |
| function extractByClass($class,$context){ | |
| preg_match_all('#<\s*(\w+)\s*class="\s*'.$class.'\s*"[^>]*>(.*?)</\s*\g1\s*>#sm',$context,$matches); | |
| return $matches[2]; | |
| } | |
| function extractByID($class,$context){ | |
| preg_match_all('#<\s*(\w+)\s*id="\s*'.$class.'\s*"[^>]*>(.*?)</\s*\g1\s*>#sm',$context,$matches); | |
| return $matches[2]; | |
| } | |
| function extractByTag($tag,$context){ | |
| preg_match_all('#<\s*'.$tag.'[^>]*>(.*?)</\s*'.$tag.'\s*>#sm',$context,$matches); | |
| return $matches[1]; | |
| } | |
| function extractAttribute($attr,$context){ | |
| preg_match_all('#'.$attr.'\s*=\s*[\'\"]([^\'\"]+)[\'\"]#sm',$context,$matches); | |
| return $matches[1]; | |
| } | |
| function hasAttribute($attr,$context){ | |
| return preg_match('#'.$attr.'\s*=#',$context); | |
| } | |
| function createAttribute($attr,$val,$context){ | |
| return preg_replace('#>#',' '.$attr.'="'.$val.'">',$context,1); | |
| } | |
| function addToAttribute($attr,$val,$context){ | |
| return hasAttribute($attr,$context) | |
| ?preg_replace('#'.$attr.'\s*=\s*([\'\"])([^\'\"]+)[\'\"]#',$attr.'=\1'.$val.' \2\1',$context) | |
| :createAttribute($attr,$val,$context); | |
| } | |
| function removeFromAttribute($attr,$val,$context){ | |
| return preg_replace('#'.$attr.'\s*=\s*([\'\"])('.$val.')([^\'\"]+)[\'\"]#',$attr.'=\1\3\1',$context); | |
| } | |
| function findByClass($class,$context){ | |
| preg_match_all('#<\s*(\w+)\s*class\s*=["\']\s*'.$class.'\s*["\'][^>]*>(.*?)</\s*\g1\s*>#sm',$context,$matches); | |
| return $matches[0]; | |
| } | |
| function findByID($class,$context){ | |
| preg_match_all('#<\s*(\w+)\s*id\s*=["\']\s*'.$class.'\s*["\'][^>]*>(.*?)</\s*\g1\s*>#sm',$context,$matches); | |
| return $matches[0]; | |
| } | |
| function findByTag($tag,$context){ | |
| preg_match_all('#<\s*'.$tag.'[^>]*>(.*?)</\s*'.$tag.'\s*>#sm',$context,$matches); | |
| return $matches[0]; | |
| } | |
| function findByAttribute($attr,$val,$context){ | |
| if($val===null) $val = '[^\'\"]+'; // Match all | |
| preg_match_all('#<\s*(\w+)\s*'.$attr.'\s*=["\']\s*'.$val.'\s*["\'][^>]*>(.*?)</\s*\g1\s*>#sm',$context,$matches); | |
| return $matches[0]; | |
| } | |
| function extractText($context){ | |
| return preg_replace('#<[^>]*>#m','',$context); | |
| } | |
| function getInnerHTML($context){ | |
| return substr($context, strpos($context,'>')+1 , -(strlen($context)-strrpos($context,'<')) ); | |
| } | |
| function setInnerHTML($html,$context){ | |
| return substr($context, 0, strpos($context,'>')+1) . $html . substr($context, -(strlen($context)-strrpos($context,'<')) ); | |
| } | |
| function removeComments($context){ | |
| return preg_replace('/<!--(.*)-->/Us','', $context); | |
| } |
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