@@ -116,7 +116,7 @@ public function getFormatOutput()
116116 public function setCustomRootName ($ value )
117117 {
118118 if (!$ this ->isValidXmlTag ($ value )) {
119- throw new \Exception ('Not a valid root name: ' . $ value );
119+ throw new \Exception ('Not a valid root name: ' . $ value );
120120 }
121121
122122 $ this ->_custom_root_name = $ value ;
@@ -154,7 +154,7 @@ public function getDefaultRootName()
154154 public function setCustomTagName ($ value )
155155 {
156156 if (!$ this ->isValidXmlTag ($ value )) {
157- throw new \Exception ('Not a valid tag name: ' . $ value );
157+ throw new \Exception ('Not a valid tag name: ' . $ value );
158158 }
159159
160160 $ this ->_custom_tag_name = $ value ;
@@ -217,14 +217,14 @@ public function getSeparator()
217217 */
218218 public function setTransformTags ($ value = null )
219219 {
220- switch ($ value ) {
220+ switch ($ value ) {
221221 case self ::LOWERCASE :
222222 case self ::UPPERCASE : {
223223 $ this ->_transform_tags = $ value ;
224224 break ;
225225 }
226226 default : {
227- if ($ value === null ) {
227+ if ($ value === null ) {
228228 $ this ->_transform_tags = null ;
229229 }
230230 }
@@ -253,7 +253,7 @@ public function setNumericTagSuffix($value = null)
253253 {
254254 $ this ->_numeric_tag_suffix = $ value ;
255255
256- if ($ value === true || $ value === false ) {
256+ if ($ value === true || $ value === false ) {
257257 $ this ->_numeric_tag_suffix = '' ;
258258 }
259259 return $ this ;
@@ -340,7 +340,7 @@ public function getCastNullValue()
340340 */
341341 public static function hasValidXmlTagStartingChar ($ value = null )
342342 {
343- if (preg_match (self ::getValidXmlTagStartPattern (), $ value ) === 1 ) {
343+ if (preg_match (self ::getValidXmlTagStartPattern (), $ value ) === 1 ) {
344344 return true ;
345345 }
346346 return false ;
@@ -354,7 +354,7 @@ public static function hasValidXmlTagStartingChar($value = null)
354354 */
355355 public static function isValidXmlTagChar ($ value = null )
356356 {
357- if (preg_match (self ::getValidXmlTagNameChar (), $ value ) === 1 ) {
357+ if (preg_match (self ::getValidXmlTagNameChar (), $ value ) === 1 ) {
358358 return true ;
359359 }
360360 return false ;
@@ -368,11 +368,11 @@ public static function isValidXmlTagChar($value = null)
368368 */
369369 public static function isValidXmlTag ($ value = null )
370370 {
371- if (empty ($ value ) || is_int ($ value )) {
371+ if (empty ($ value ) || is_int ($ value )) {
372372 return false ;
373373 }
374374
375- if (preg_match (self ::getValidXmlTagNamePattern (), $ value ) === 1 ) {
375+ if (preg_match (self ::getValidXmlTagNamePattern (), $ value ) === 1 ) {
376376 return true ;
377377 }
378378 return false ;
@@ -458,19 +458,19 @@ protected function addArrayElements(DOMElement $parent, $array = [])
458458 $ parent ->appendChild ($ node );
459459 } else {
460460
461- if (array_key_exists ('@value ' , $ value )) {
461+ if (array_key_exists ('@value ' , $ value )) {
462462 $ cdata = array_key_exists ('@cdata ' , $ value ) && $ value ['@cdata ' ] === true ? true : false ;
463463 $ attributes = array_key_exists ('@attr ' , $ value ) && is_array ($ value ['@attr ' ]) ? $ value ['@attr ' ] : [];
464464
465- if (!is_array ($ value ['@value ' ])) {
465+ if (!is_array ($ value ['@value ' ])) {
466466 // Create an XML element
467467 $ node = $ this ->createElement ($ name , $ value ['@value ' ], $ cdata , $ attributes );
468468 $ parent ->appendChild ($ node );
469469 } else {
470470 // Create an empty XML element 'container'
471471 $ node = $ this ->createElement ($ name , null );
472472
473- foreach ($ attributes as $ attribute_name => $ attribute_value ) {
473+ foreach ($ attributes as $ attribute_name => $ attribute_value ) {
474474 $ node ->setAttribute ($ attribute_name , $ this ->normalizeAttributeValue ($ attribute_value ));
475475 }
476476
@@ -479,8 +479,7 @@ protected function addArrayElements(DOMElement $parent, $array = [])
479479 // Add all the elements within the array to the 'container'
480480 $ this ->addArrayElements ($ node , $ value ['@value ' ]);
481481 }
482- }
483- else {
482+ } else {
484483 // Create an empty XML element 'container'
485484 $ node = $ this ->createElement ($ name , null );
486485 $ parent ->appendChild ($ node );
@@ -501,15 +500,15 @@ protected function addArrayElements(DOMElement $parent, $array = [])
501500 */
502501 protected function normalizeValue ($ value )
503502 {
504- if ($ value === true ) {
503+ if ($ value === true ) {
505504 return $ this ->getCastBooleanValueTrue ();
506505 }
507506
508- if ($ value === false ) {
507+ if ($ value === false ) {
509508 return $ this ->getCastBooleanValueFalse ();
510509 }
511510
512- if ($ value === null ) {
511+ if ($ value === null ) {
513512 return $ this ->getCastNullValue ();
514513 }
515514
@@ -524,11 +523,11 @@ protected function normalizeValue($value)
524523 */
525524 protected function normalizeAttributeValue ($ value )
526525 {
527- if ($ value === true ) {
526+ if ($ value === true ) {
528527 return 'true ' ;
529528 }
530529
531- if ($ value === false ) {
530+ if ($ value === false ) {
532531 return 'false ' ;
533532 }
534533
@@ -561,11 +560,11 @@ protected function createElement($name, $value = null, $cdata = false, $attribut
561560 {
562561 $ name = $ this ->createValidTagName ($ name );
563562
564- if ($ cdata === true ) {
563+ if ($ cdata === true ) {
565564 $ element = $ this ->_doc ->createElement ($ name );
566565 $ element ->appendChild ($ this ->_doc ->createCDATASection ($ value ));
567566
568- foreach ($ attributes as $ attribute_name => $ attribute_value ) {
567+ foreach ($ attributes as $ attribute_name => $ attribute_value ) {
569568 $ element ->setAttribute ($ attribute_name , $ this ->normalizeAttributeValue ($ attribute_value ));
570569 }
571570
@@ -574,7 +573,7 @@ protected function createElement($name, $value = null, $cdata = false, $attribut
574573
575574 $ element = $ this ->_doc ->createElement ($ name , $ this ->normalizeValue ($ value ));
576575
577- foreach ($ attributes as $ attribute_name => $ attribute_value ) {
576+ foreach ($ attributes as $ attribute_name => $ attribute_value ) {
578577 $ element ->setAttribute ($ attribute_name , $ this ->normalizeAttributeValue ($ attribute_value ));
579578 }
580579
@@ -589,7 +588,7 @@ protected function createElement($name, $value = null, $cdata = false, $attribut
589588 */
590589 protected function createValidTagName ($ name = null )
591590 {
592- if (empty ($ name ) || $ this ->isNumericKey ($ name )) {
591+ if (empty ($ name ) || $ this ->isNumericKey ($ name )) {
593592 $ key = $ name ;
594593
595594 if ($ this ->isValidXmlTag ($ this ->getCustomTagName ())) {
@@ -598,16 +597,16 @@ protected function createValidTagName($name = null)
598597 $ name = $ this ->transformTagName ($ this ->getDefaultTagName ());
599598 }
600599
601- if ($ this ->getNumericTagSuffix () !== null ) {
602- $ name = $ name . (string )$ this ->getNumericTagSuffix () . $ key ;
600+ if ($ this ->getNumericTagSuffix () !== null ) {
601+ $ name = $ name. (string ) $ this ->getNumericTagSuffix (). $ key ;
603602 }
604603 return $ name ;
605604 }
606605
607- if (!$ this ->isValidXmlTag ($ name )) {
606+ if (!$ this ->isValidXmlTag ($ name )) {
608607 $ name = $ this ->replaceInvalidTagChars ($ name );
609608
610- if (!self ::hasValidXmlTagStartingChar ($ name )) {
609+ if (!self ::hasValidXmlTagStartingChar ($ name )) {
611610 $ name = $ this ->prefixInvalidTagStartingChar ($ name );
612611 }
613612 }
@@ -622,7 +621,7 @@ protected function createValidTagName($name = null)
622621 */
623622 protected function prefixInvalidTagStartingChar ($ value )
624623 {
625- return '_ ' . substr ($ value , 1 );
624+ return '_ ' . substr ($ value , 1 );
626625 }
627626
628627 /**
@@ -634,13 +633,13 @@ protected function prefixInvalidTagStartingChar($value)
634633 protected function replaceInvalidTagChars ($ value )
635634 {
636635 $ pattern = '' ;
637- for ($ i= 0 ; $ i < strlen ($ value ); $ i ++) {
638- if (!self ::isValidXmlTagChar ($ value [$ i ])) {
636+ for ($ i = 0 ; $ i < strlen ($ value ); $ i ++) {
637+ if (!self ::isValidXmlTagChar ($ value [$ i ])) {
639638 $ pattern .= "\\$ value [$ i ]" ;
640639 }
641640 }
642641
643- if (!empty ($ pattern )) {
642+ if (!empty ($ pattern )) {
644643 $ value = preg_replace ("/[ {$ pattern }]/ " , $ this ->getSeparator (), $ value );
645644 }
646645 return $ value ;
@@ -671,7 +670,7 @@ protected function createValidRootName($name = null)
671670 */
672671 protected function transformTagName ($ name = null )
673672 {
674- switch ($ this ->getTransformTags ()) {
673+ switch ($ this ->getTransformTags ()) {
675674 case self ::LOWERCASE : {
676675 return strtolower ($ name );
677676 }
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