matecat / xliff-parser

src/XliffReplacer/XliffReplacerCallbackInterface.php

Spacing +1 added lines, -1 removed lines

@@ -12,5 +12,5 @@
      *
      * @return bool
      */
-    public function thereAreErrors( int $segmentId, string $segment, string $translation, ?array $dataRefMap = [], ?string $error = null ): bool;
+    public function thereAreErrors(int $segmentId, string $segment, string $translation, ?array $dataRefMap = [], ?string $error = null): bool;
 }

src/XliffReplacer/Xliff12.php

Spacing +55 added lines, -55 removed lines

@@ -27,28 +27,28 @@ 
     /**
      * @inheritDoc
      */
-    protected function tagOpen( $parser, string $name, array $attr ) {
+    protected function tagOpen($parser, string $name, array $attr) {
 
-        $this->handleOpenUnit( $name, $attr );
+        $this->handleOpenUnit($name, $attr);
 
-        $this->checkSetInTarget( $name );
+        $this->checkSetInTarget($name);
 
         // open buffer
-        $this->setInBuffer( $name );
+        $this->setInBuffer($name);
 
         // check if we are inside a <target>, obviously this happen only if there are targets inside the trans-unit
         // <target> must be stripped to be replaced, so this check avoids <target> reconstruction
-        if ( !$this->inTarget ) {
+        if (!$this->inTarget) {
 
             $tag = '';
 
             // construct tag
             $tag .= "<$name ";
 
-            foreach ( $attr as $k => $v ) {
+            foreach ($attr as $k => $v) {
 
                 //if tag name is file, we must replace the target-language attribute
-                if ( $name === 'file' && $k === 'target-language' && !empty( $this->targetLang ) ) {
+                if ($name === 'file' && $k === 'target-language' && !empty($this->targetLang)) {
                     //replace Target language with job language provided from constructor
                     $tag .= "$k=\"$this->targetLang\" ";
                 } else {
@@ -59,20 +59,20 @@ 
 
             $seg = $this->getCurrentSegment();
 
-            if ( $name === $this->tuTagName && !empty( $seg ) and isset( $seg[ 'sid' ] ) ) {
+            if ($name === $this->tuTagName && !empty($seg) and isset($seg['sid'])) {
 
                 // add `help-id` to xliff v.1*
-                if ( strpos( $tag, 'help-id' ) === false ) {
-                    if ( !empty( $seg[ 'sid' ] ) ) {
-                        $tag .= "help-id=\"{$seg[ 'sid' ]}\" ";
+                if (strpos($tag, 'help-id') === false) {
+                    if (!empty($seg['sid'])) {
+                        $tag .= "help-id=\"{$seg['sid']}\" ";
                     }
                 }
 
             }
 
-            $tag = $this->handleOpenXliffTag( $name, $attr, $tag );
+            $tag = $this->handleOpenXliffTag($name, $attr, $tag);
 
-            $this->checkForSelfClosedTagAndFlush( $parser, $tag );
+            $this->checkForSelfClosedTagAndFlush($parser, $tag);
 
         }
 
@@ -82,7 +82,7 @@ 
     /**
      * @inheritDoc
      */
-    protected function tagClose( $parser, string $name ) {
+    protected function tagClose($parser, string $name) {
         $tag = '';
 
         /**
@@ -91,15 +91,15 @@ 
          *
          * self::tagOpen method
          */
-        if ( !$this->isEmpty ) {
+        if (!$this->isEmpty) {
 
-            if ( !$this->inTarget ) {
+            if (!$this->inTarget) {
                 $tag = "</$name>";
             }
 
-            if ( 'target' == $name ) {
+            if ('target' == $name) {
 
-                if ( isset( $this->transUnits[ $this->currentTransUnitId ] ) ) {
+                if (isset($this->transUnits[$this->currentTransUnitId])) {
 
                     // get translation of current segment, by indirect indexing: id -> positional index -> segment
                     // actually there may be more than one segment to that ID if there are two mrk of the same source segment
@@ -110,42 +110,42 @@ 
                 $this->targetWasWritten = true;
                 // signal we are leaving a target
                 $this->inTarget = false;
-                $this->postProcAndFlush( $this->outputFP, $tag, true );
+                $this->postProcAndFlush($this->outputFP, $tag, true);
 
-            } elseif ( in_array( $name, $this->nodesToBuffer ) ) { // we are closing a critical CDATA section
+            } elseif (in_array($name, $this->nodesToBuffer)) { // we are closing a critical CDATA section
 
                 $this->bufferIsActive = false;
                 $tag                  = $this->CDATABuffer . "</$name>";
                 $this->CDATABuffer    = "";
 
                 //flush to the pointer
-                $this->postProcAndFlush( $this->outputFP, $tag );
+                $this->postProcAndFlush($this->outputFP, $tag);
 
-            } elseif ( $name === $this->tuTagName ) {
+            } elseif ($name === $this->tuTagName) {
 
                 $tag = "";
 
                 // handling </trans-unit> closure
-                if ( !$this->targetWasWritten ) {
+                if (!$this->targetWasWritten) {
 
-                    if ( isset( $this->transUnits[ $this->currentTransUnitId ] ) ) {
+                    if (isset($this->transUnits[$this->currentTransUnitId])) {
                         $tag = $this->rebuildTarget();
                     } else {
-                        $tag = $this->createTargetTag( "", "" );
+                        $tag = $this->createTargetTag("", "");
                     }
 
                 }
 
-                $tag                    .= "</$this->tuTagName>";
+                $tag .= "</$this->tuTagName>";
                 $this->targetWasWritten = false;
-                $this->postProcAndFlush( $this->outputFP, $tag );
+                $this->postProcAndFlush($this->outputFP, $tag);
 
-            } elseif ( $this->bufferIsActive ) { // this is a tag ( <g | <mrk ) inside a seg or seg-source tag
+            } elseif ($this->bufferIsActive) { // this is a tag ( <g | <mrk ) inside a seg or seg-source tag
                 $this->CDATABuffer .= "</$name>";
                 // Do NOT Flush
             } else { //generic tag closure do Nothing
                 // flush to pointer
-                $this->postProcAndFlush( $this->outputFP, $tag );
+                $this->postProcAndFlush($this->outputFP, $tag);
             }
 
         } else {
@@ -154,7 +154,7 @@ 
         }
 
         // check if we are leaving a <trans-unit> (xliff v1.*) or <unit> (xliff v2.*)
-        if ( $this->tuTagName === $name ) {
+        if ($this->tuTagName === $name) {
             $this->currentTransUnitIsTranslatable = null;
             $this->inTU                           = false;
             $this->hasWrittenCounts               = false;
@@ -171,31 +171,31 @@ 
      *
      * @return string
      */
-    protected function prepareTranslation( array $seg, string $transUnitTranslation = "" ): string {
+    protected function prepareTranslation(array $seg, string $transUnitTranslation = ""): string {
 
-        $segment     = Strings::removeDangerousChars( $seg [ 'segment' ] );
-        $translation = Strings::removeDangerousChars( $seg [ 'translation' ] );
+        $segment     = Strings::removeDangerousChars($seg ['segment']);
+        $translation = Strings::removeDangerousChars($seg ['translation']);
 
-        if ( $seg [ 'translation' ] == '' ) {
+        if ($seg ['translation'] == '') {
             $translation = $segment;
         } else {
-            if ( $this->callback instanceof XliffReplacerCallbackInterface ) {
-                $error = ( !empty( $seg[ 'error' ] ) ) ? $seg[ 'error' ] : null;
-                if ( $this->callback->thereAreErrors( $seg[ 'sid' ], $segment, $translation, [], $error ) ) {
+            if ($this->callback instanceof XliffReplacerCallbackInterface) {
+                $error = (!empty($seg['error'])) ? $seg['error'] : null;
+                if ($this->callback->thereAreErrors($seg['sid'], $segment, $translation, [], $error)) {
                     $translation = '|||UNTRANSLATED_CONTENT_START|||' . $segment . '|||UNTRANSLATED_CONTENT_END|||';
                 }
             }
         }
 
-        $transUnitTranslation .= $seg[ 'prev_tags' ] . $this->rebuildMarks( $seg, $translation ) . ltrim( $seg[ 'succ_tags' ] );
+        $transUnitTranslation .= $seg['prev_tags'] . $this->rebuildMarks($seg, $translation) . ltrim($seg['succ_tags']);
 
         return $transUnitTranslation;
     }
 
-    protected function rebuildMarks( array $seg, string $translation ): string {
+    protected function rebuildMarks(array $seg, string $translation): string {
 
-        if ( $seg[ 'mrk_id' ] !== null && $seg[ 'mrk_id' ] != '' ) {
-            $translation = "<mrk mid=\"" . $seg[ 'mrk_id' ] . "\" mtype=\"seg\">" . $seg[ 'mrk_prev_tags' ] . $translation . $seg[ 'mrk_succ_tags' ] . "</mrk>";
+        if ($seg['mrk_id'] !== null && $seg['mrk_id'] != '') {
+            $translation = "<mrk mid=\"" . $seg['mrk_id'] . "\" mtype=\"seg\">" . $seg['mrk_prev_tags'] . $translation . $seg['mrk_succ_tags'] . "</mrk>";
         }
 
         return $translation;
@@ -210,10 +210,10 @@ 
      *
      * @return string
      */
-    private function createTargetTag( string $translation, string $stateProp ): string {
+    private function createTargetTag(string $translation, string $stateProp): string {
         $targetLang = ' xml:lang="' . $this->targetLang . '"';
         $tag        = "<target $targetLang $stateProp>$translation</target>";
-        $tag        .= "\n<count-group name=\"$this->currentTransUnitId\"><count count-type=\"x-matecat-raw\">" . $this->counts[ 'raw_word_count' ] . "</count><count count-type=\"x-matecat-weighted\">" . $this->counts[ 'eq_word_count' ] . '</count></count-group>';
+        $tag .= "\n<count-group name=\"$this->currentTransUnitId\"><count count-type=\"x-matecat-raw\">" . $this->counts['raw_word_count'] . "</count><count count-type=\"x-matecat-weighted\">" . $this->counts['eq_word_count'] . '</count></count-group>';
 
         return $tag;
 
@@ -229,7 +229,7 @@ 
         // we must reset the lastMrkId found because this is a new segment.
         $lastMrkId = -1;
 
-        foreach ( $this->lastTransUnit as $pos => $seg ) {
+        foreach ($this->lastTransUnit as $pos => $seg) {
 
             /*
              * This routine works to respect the positional orders of markers.
@@ -242,8 +242,8 @@ 
              * pre-assign zero to the new mrk if this is the first one ( in this segment )
              * If it is null leave it NULL
              */
-            if ( (int)$seg[ "mrk_id" ] < 0 && $seg[ "mrk_id" ] !== null ) {
-                $seg[ "mrk_id" ] = 0;
+            if ((int)$seg["mrk_id"] < 0 && $seg["mrk_id"] !== null) {
+                $seg["mrk_id"] = 0;
             }
 
             /*
@@ -252,33 +252,33 @@ 
              * ( null <= -1 ) === true
              * so, cast to int
              */
-            if ( (int)$seg[ "mrk_id" ] <= $lastMrkId ) {
+            if ((int)$seg["mrk_id"] <= $lastMrkId) {
                 break;
             }
 
             // update counts
-            if ( !empty( $seg ) ) {
-                $this->updateSegmentCounts( $seg );
+            if (!empty($seg)) {
+                $this->updateSegmentCounts($seg);
             }
 
             // delete translations so the prepareSegment
             // will put source content in target tag
-            if ( $this->sourceInTarget ) {
-                $seg[ 'translation' ] = '';
+            if ($this->sourceInTarget) {
+                $seg['translation'] = '';
                 $this->resetCounts();
             }
 
             // append $translation
-            $translation = $this->prepareTranslation( $seg, $translation );
+            $translation = $this->prepareTranslation($seg, $translation);
 
-            $lastMrkId = $seg[ "mrk_id" ];
+            $lastMrkId = $seg["mrk_id"];
 
-            [ $stateProp, $lastMrkState ] = StatusToStateAttribute::getState( $seg[ 'status' ], $this->xliffVersion, $stateProp, $lastMrkState );
+            [$stateProp, $lastMrkState] = StatusToStateAttribute::getState($seg['status'], $this->xliffVersion, $stateProp, $lastMrkState);
 
         }
 
         //append translation
-        return $this->createTargetTag( $translation, $stateProp );
+        return $this->createTargetTag($translation, $stateProp);
 
     }
 

src/XliffReplacer/Xliff20.php

Spacing +61 added lines, -61 removed lines

@@ -32,22 +32,22 @@ 
     /**
      * @inheritDoc
      */
-    protected function tagOpen( $parser, string $name, array $attr ) {
+    protected function tagOpen($parser, string $name, array $attr) {
 
-        $this->handleOpenUnit( $name, $attr );
+        $this->handleOpenUnit($name, $attr);
 
-        if ( 'mda:metadata' === $name ) {
+        if ('mda:metadata' === $name) {
             $this->unitContainsMda = true;
         }
 
-        $this->checkSetInTarget( $name );
+        $this->checkSetInTarget($name);
 
         // open buffer
-        $this->setInBuffer( $name );
+        $this->setInBuffer($name);
 
         // check if we are inside a <target>, obviously this happen only if there are targets inside the trans-unit
         // <target> must be stripped to be replaced, so this check avoids <target> reconstruction
-        if ( !$this->inTarget ) {
+        if (!$this->inTarget) {
 
             $tag = '';
 
@@ -70,48 +70,48 @@ 
             // http://docs.oasis-open.org/xliff/xliff-core/v2.0/os/xliff-core-v2.0-os.html#unit
             //
             if (
-                    ( $name === 'notes' || $name === 'originalData' || $name === 'segment' || $name === 'ignorable' ) &&
+                    ($name === 'notes' || $name === 'originalData' || $name === 'segment' || $name === 'ignorable') &&
                     $this->unitContainsMda === false &&
-                    !empty( $this->transUnits[ $this->currentTransUnitId ] ) &&
+                    !empty($this->transUnits[$this->currentTransUnitId]) &&
                     !$this->hasWrittenCounts
             ) {
                 // we need to update counts here
                 $this->updateCounts();
                 $this->hasWrittenCounts = true;
-                $tag                    .= $this->getWordCountGroupForXliffV2();
+                $tag .= $this->getWordCountGroupForXliffV2();
                 $this->unitContainsMda  = true;
             }
 
             // construct tag
             $tag .= "<$name ";
 
-            foreach ( $attr as $k => $v ) {
+            foreach ($attr as $k => $v) {
                 //normal tag flux, put attributes in it but skip for translation state and set the right value for the attribute
-                if ( $k != 'state' ) {
+                if ($k != 'state') {
                     $tag .= "$k=\"$v\" ";
                 }
             }
 
             $seg = $this->getCurrentSegment();
 
-            if ( $name === $this->tuTagName and !empty( $seg ) and isset( $seg[ 'sid' ] ) ) {
+            if ($name === $this->tuTagName and !empty($seg) and isset($seg['sid'])) {
 
                 // add `mtc:segment-id` to xliff v.2*
-                if ( strpos( $tag, 'mtc:segment-id' ) === false ) {
-                    $tag .= "mtc:segment-id=\"{$seg[ 'sid' ]}\" ";
+                if (strpos($tag, 'mtc:segment-id') === false) {
+                    $tag .= "mtc:segment-id=\"{$seg['sid']}\" ";
                 }
 
             }
 
             // replace state for xliff v2
-            if ( 'segment' === $name ) { // add state to segment in Xliff v2
-                [ $stateProp, ] = StatusToStateAttribute::getState( $seg[ 'status' ], $this->xliffVersion );
+            if ('segment' === $name) { // add state to segment in Xliff v2
+                [$stateProp, ] = StatusToStateAttribute::getState($seg['status'], $this->xliffVersion);
                 $tag .= $stateProp;
             }
 
-            $tag = $this->handleOpenXliffTag( $name, $attr, $tag );
+            $tag = $this->handleOpenXliffTag($name, $attr, $tag);
 
-            $this->checkForSelfClosedTagAndFlush( $parser, $tag );
+            $this->checkForSelfClosedTagAndFlush($parser, $tag);
 
         }
 
@@ -124,10 +124,10 @@ 
      *
      * @return string
      */
-    protected function handleOpenXliffTag( string $name, array $attr, string $tag ): string {
-        $tag = parent::handleOpenXliffTag( $name, $attr, $tag );
+    protected function handleOpenXliffTag(string $name, array $attr, string $tag): string {
+        $tag = parent::handleOpenXliffTag($name, $attr, $tag);
         // add oasis xliff 20 namespace
-        if ( $name === 'xliff' && !array_key_exists( 'xmlns:mda', $attr ) ) {
+        if ($name === 'xliff' && !array_key_exists('xmlns:mda', $attr)) {
             $tag .= 'xmlns:mda="urn:oasis:names:tc:xliff:metadata:2.0"';
         }
 
@@ -137,7 +137,7 @@ 
     /**
      * @inheritDoc
      */
-    protected function tagClose( $parser, string $name ) {
+    protected function tagClose($parser, string $name) {
         $tag = '';
 
         /**
@@ -146,32 +146,32 @@ 
          *
          * self::tagOpen method
          */
-        if ( !$this->isEmpty ) {
+        if (!$this->isEmpty) {
 
-            if ( !$this->inTarget ) {
+            if (!$this->inTarget) {
                 $tag = "</$name>";
             }
 
-            if ( 'target' == $name ) {
+            if ('target' == $name) {
 
-                if ( isset( $this->transUnits[ $this->currentTransUnitId ] ) && $this->currentTransUnitIsTranslatable !== 'no' ) {
+                if (isset($this->transUnits[$this->currentTransUnitId]) && $this->currentTransUnitIsTranslatable !== 'no') {
 
                     $seg = $this->getCurrentSegment();
 
                     // update counts
-                    if ( !$this->hasWrittenCounts && !empty( $seg ) ) {
-                        $this->updateSegmentCounts( $seg );
+                    if (!$this->hasWrittenCounts && !empty($seg)) {
+                        $this->updateSegmentCounts($seg);
                     }
 
                     // delete translations so the prepareSegment
                     // will put source content in target tag
-                    if ( $this->sourceInTarget ) {
-                        $seg[ 'translation' ] = '';
+                    if ($this->sourceInTarget) {
+                        $seg['translation'] = '';
                         $this->resetCounts();
                     }
 
                     // append $translation
-                    $translation = $this->prepareTranslation( $seg );
+                    $translation = $this->prepareTranslation($seg);
 
                     //append translation
                     $tag = "<target>$translation</target>";
@@ -181,22 +181,22 @@ 
                 // signal we are leaving a target
                 $this->targetWasWritten = true;
                 $this->inTarget         = false;
-                $this->postProcAndFlush( $this->outputFP, $tag, true );
+                $this->postProcAndFlush($this->outputFP, $tag, true);
 
-            } elseif ( in_array( $name, $this->nodesToBuffer ) ) { // we are closing a critical CDATA section
+            } elseif (in_array($name, $this->nodesToBuffer)) { // we are closing a critical CDATA section
 
                 $this->bufferIsActive = false;
 
                 // only for Xliff 2.*
                 // write here <mda:metaGroup> and <mda:meta> if already present in the <unit>
-                if ( 'mda:metadata' === $name && $this->unitContainsMda && !$this->hasWrittenCounts ) {
+                if ('mda:metadata' === $name && $this->unitContainsMda && !$this->hasWrittenCounts) {
 
                     // we need to update counts here
                     $this->updateCounts();
                     $this->hasWrittenCounts = true;
 
                     $tag = $this->CDATABuffer;
-                    $tag .= $this->getWordCountGroupForXliffV2( false );
+                    $tag .= $this->getWordCountGroupForXliffV2(false);
                     $tag .= "    </mda:metadata>";
 
                 } else {
@@ -206,19 +206,19 @@ 
                 $this->CDATABuffer = "";
 
                 //flush to the pointer
-                $this->postProcAndFlush( $this->outputFP, $tag );
+                $this->postProcAndFlush($this->outputFP, $tag);
 
-            } elseif ( 'segment' === $name ) {
+            } elseif ('segment' === $name) {
 
                 // only for Xliff 2.*
                 // if segment has no <target> add it BEFORE </segment>
-                if ( !$this->targetWasWritten ) {
+                if (!$this->targetWasWritten) {
 
                     $seg = $this->getCurrentSegment();
 
-                    if ( isset( $seg[ 'translation' ] ) ) {
+                    if (isset($seg['translation'])) {
 
-                        $translation = $this->prepareTranslation( $seg );
+                        $translation = $this->prepareTranslation($seg);
                         // replace the tag
                         $tag = "<target>$translation</target>";
 
@@ -231,17 +231,17 @@ 
                 // update segmentPositionInTu
                 $this->segmentInUnitPosition++;
 
-                $this->postProcAndFlush( $this->outputFP, $tag );
+                $this->postProcAndFlush($this->outputFP, $tag);
 
                 // we are leaving <segment>, reset $segmentHasTarget
                 $this->targetWasWritten = false;
 
-            } elseif ( $this->bufferIsActive ) { // this is a tag ( <g | <mrk ) inside a seg or seg-source tag
+            } elseif ($this->bufferIsActive) { // this is a tag ( <g | <mrk ) inside a seg or seg-source tag
                 $this->CDATABuffer .= "</$name>";
                 // Do NOT Flush
             } else { //generic tag closure do Nothing
                 // flush to pointer
-                $this->postProcAndFlush( $this->outputFP, $tag );
+                $this->postProcAndFlush($this->outputFP, $tag);
             }
         } else {
             //ok, nothing to be done; reset flag for next coming tag
@@ -249,7 +249,7 @@ 
         }
 
         // check if we are leaving a <trans-unit> (xliff v1.*) or <unit> (xliff v2.*)
-        if ( $this->tuTagName === $name ) {
+        if ($this->tuTagName === $name) {
             $this->currentTransUnitIsTranslatable = null;
             $this->inTU                           = false;
             $this->unitContainsMda                = false;
@@ -265,8 +265,8 @@ 
     private function updateCounts() {
 
         $seg = $this->getCurrentSegment();
-        if ( !empty( $seg ) ) {
-            $this->updateSegmentCounts( $seg );
+        if (!empty($seg)) {
+            $this->updateSegmentCounts($seg);
         }
 
     }
@@ -276,30 +276,30 @@ 
      *
      * @return string
      */
-    private function getWordCountGroupForXliffV2( bool $withMetadataTag = true ): string {
+    private function getWordCountGroupForXliffV2(bool $withMetadataTag = true): string {
 
         $this->mdaGroupCounter++;
-        $segments_count_array = $this->counts[ 'segments_count_array' ];
+        $segments_count_array = $this->counts['segments_count_array'];
 
         $tag = '';
 
-        if ( $withMetadataTag === true ) {
+        if ($withMetadataTag === true) {
             $tag .= '<mda:metadata>';
         }
 
         $index = 0;
-        foreach ( $segments_count_array as $segments_count_item ) {
+        foreach ($segments_count_array as $segments_count_item) {
 
             $id = 'word_count_tu[' . $this->currentTransUnitId . '][' . $index . ']';
             $index++;
 
             $tag .= "    <mda:metaGroup id=\"" . $id . "\" category=\"row_xml_attribute\">
-                                <mda:meta type=\"x-matecat-raw\">" . $segments_count_item[ 'raw_word_count' ] . "</mda:meta>
-                                <mda:meta type=\"x-matecat-weighted\">" . $segments_count_item[ 'eq_word_count' ] . "</mda:meta>
+                                <mda:meta type=\"x-matecat-raw\">" . $segments_count_item['raw_word_count'] . "</mda:meta>
+                                <mda:meta type=\"x-matecat-weighted\">" . $segments_count_item['eq_word_count'] . "</mda:meta>
                             </mda:metaGroup>";
         }
 
-        if ( $withMetadataTag === true ) {
+        if ($withMetadataTag === true) {
             $tag .= '</mda:metadata>';
         }
 
@@ -314,18 +314,18 @@ 
      *
      * @return string
      */
-    protected function prepareTranslation( array $seg ): string {
+    protected function prepareTranslation(array $seg): string {
 
-        $segment     = Strings::removeDangerousChars( $seg [ 'segment' ] );
-        $translation = Strings::removeDangerousChars( $seg [ 'translation' ] );
-        $dataRefMap  = ( isset( $seg[ 'data_ref_map' ] ) ) ? Strings::jsonToArray( $seg[ 'data_ref_map' ] ) : [];
+        $segment     = Strings::removeDangerousChars($seg ['segment']);
+        $translation = Strings::removeDangerousChars($seg ['translation']);
+        $dataRefMap  = (isset($seg['data_ref_map'])) ? Strings::jsonToArray($seg['data_ref_map']) : [];
 
-        if ( $seg [ 'translation' ] == '' ) {
+        if ($seg ['translation'] == '') {
             $translation = $segment;
         } else {
-            if ( $this->callback instanceof XliffReplacerCallbackInterface ) {
-                $error = ( !empty( $seg[ 'error' ] ) ) ? $seg[ 'error' ] : null;
-                if ( $this->callback->thereAreErrors( $seg[ 'sid' ], $segment, $translation, $dataRefMap, $error ) ) {
+            if ($this->callback instanceof XliffReplacerCallbackInterface) {
+                $error = (!empty($seg['error'])) ? $seg['error'] : null;
+                if ($this->callback->thereAreErrors($seg['sid'], $segment, $translation, $dataRefMap, $error)) {
                     $translation = '|||UNTRANSLATED_CONTENT_START|||' . $segment . '|||UNTRANSLATED_CONTENT_END|||';
                 }
             }