note 63234 added to function.extract

This function provides exactly the same functionality as extract except that a parameter was added defining the extract target. This function can be used if your PHP installation does not support the required Flags or more important if you would like to extract arrays to another destination as to $GLOBALS, i.e. other arrays or objects. The only difference to extract is that extract_to moves the array pointer of $arr to the end as $arr is passed by reference to support the EXTR_REFS flag. <?php if( !defined('EXTR_PREFIX_ALL') ) define('EXTR_PREFIX_ALL', 3); if( !defined('EXTR_PREFIX_INVALID') ) define('EXTR_PREFIX_INVALID', 4); if( !defined('EXTR_IF_EXISTS') ) define('EXTR_IF_EXISTS', 5); if( !defined('EXTR_PREFIX_IF_EXISTS') ) define('EXTR_PREFIX_IF_EXISTS', 6); if( !defined('EXTR_REFS') ) define('EXTR_REFS', 256); function extract_to( &$arr, &$to, $type=EXTR_OVERWRITE, $prefix=false ){ if( !is_array( $arr ) ) return trigger_error("extract_to(): First argument should be an array", E_USER_WARNING ); if( is_array( $to ) ) $t=0; else if( is_object( $to ) ) $t=1; else return trigger_error("extract_to(): Second argument should be an array or object", E_USER_WARNING ); if( $type==EXTR_PREFIX_SAME || $type==EXTR_PREFIX_ALL || $type==EXTR_PREFIX_INVALID || $type==EXTR_PREFIX_IF_EXISTS ) if( $prefix===false ) return trigger_error("extract_to(): Prefix expected to be specified", E_USER_WARNING ); else $prefix .= '_'; $i=0; foreach( $arr as $key=>$val ){ $nkey = $key; $isset = $t==1 ? isset( $to[$key] ) : isset( $to->$key ); if( ( $type==EXTR_SKIP && $isset ) || ( $type==EXTR_IF_EXISTS && !$isset ) ) continue; else if( ( $type==EXTR_PREFIX_SAME && $isset ) || ( $type==EXTR_PREFIX_ALL ) || ( $type==EXTR_PREFIX_INVALID && !preg_match( '#^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$#', $key ) ) ) $nkey = $prefix.$key; else if( $type==EXTR_PREFIX_IF_EXISTS ) if( $isset ) $nkey = $prefix.$key; else continue; if( !preg_match( '#^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$#', $nkey ) ) continue; if( $t==1 ) if( $type & EXTR_REFS ) $to->$nkey = &$arr[$key]; else $to->$nkey = $val; else if( $type & EXTR_REFS ) $to[$nkey] = &$arr[$key]; else $to[$nkey] = $val; $i++; } return $i; } // e.g.: extract_to( $myarray, $myobject, EXTR_IF_EXISTS ); ?> ---- Server IP: 217.13.201.10 Probable Submitter: 80.135.191.229 ---- X-Spam-Status: No, hits=3.8 required=5.0 tests=DATE_MISSING,FROM_NO_LOWER, UPPERCASE_25_50 autolearn=no version=2.64 ---- Manual Page -- http://www.php.net/manual/en/function.extract.php Edit -- http://master.php.net/note/edit/63234 Del: integrated -- http://master.php.net/note/delete/63234/integrated Del: useless -- http://master.php.net/note/delete/63234/useless Del: bad code -- http://master.php.net/note/delete/63234/bad+code Del: spam -- http://master.php.net/note/delete/63234/spam Del: non-english -- http://master.php.net/note/delete/63234/non-english Del: in docs -- http://master.php.net/note/delete/63234/in+docs Del: other reasons-- http://master.php.net/note/delete/63234 Reject -- http://master.php.net/note/reject/63234 Search -- http://master.php.net/manage/user-notes.php