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<?php |
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/** |
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* Portions taken from phpwiki-1.3.3. |
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* |
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* Copyright © 2000, 2001 Geoffrey T. Dairiki <[email protected]> |
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* You may copy this code freely under the conditions of the GPL. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* http://www.gnu.org/copyleft/gpl.html |
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* |
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* @file |
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* @ingroup DifferenceEngine |
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*/ |
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/** |
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* A pseudo-formatter that just passes along the Diff::$edits array |
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* @ingroup DifferenceEngine |
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*/ |
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class ArrayDiffFormatter extends DiffFormatter { |
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/** |
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* @param Diff $diff A Diff object. |
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* |
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* @return array[] List of associative arrays, each describing a difference. |
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*/ |
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public function format( $diff ) { |
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$oldline = 1; |
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$newline = 1; |
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$retval = []; |
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foreach ( $diff->getEdits() as $edit ) { |
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switch ( $edit->getType() ) { |
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case 'add': |
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foreach ( $edit->getClosing() as $line ) { |
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$retval[] = [ |
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'action' => 'add', |
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'new' => $line, |
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'newline' => $newline++ |
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]; |
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} |
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break; |
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case 'delete': |
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foreach ( $edit->getOrig() as $line ) { |
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$retval[] = [ |
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'action' => 'delete', |
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'old' => $line, |
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'oldline' => $oldline++, |
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]; |
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} |
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break; |
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case 'change': |
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foreach ( $edit->getOrig() as $key => $line ) { |
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$retval[] = [ |
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'action' => 'change', |
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'old' => $line, |
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'new' => $edit->getClosing( $key ), |
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'oldline' => $oldline++, |
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'newline' => $newline++, |
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]; |
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} |
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break; |
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case 'copy': |
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$oldline += count( $edit->getOrig() ); |
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$newline += count( $edit->getOrig() ); |
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} |
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} |
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return $retval; |
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} |
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} |
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There are different options of fixing this problem.
If you want to be on the safe side, you can add an additional type-check:
If you are sure that the expression is traversable, you might want to add a doc comment cast to improve IDE auto-completion and static analysis:
Mark the issue as a false-positive: Just hover the remove button, in the top-right corner of this issue for more options.