Address issue pointed out by scrutinizer

Riimu · Riimu · commit 806277adb1e9 · 2017-07-08T22:37:29.000+03:00
diff --git a/src/AbstractJsonEncoder.php b/src/AbstractJsonEncoder.php
@@ -417,7 +417,7 @@ private function getJsonErrorName($error)
         $name = 'UNKNOWN_ERROR';
 
         foreach ($matches as $match) {
-            if (strncmp($match, $prefix, $prefixLength) === 0) {
+            if (is_string($match) && strncmp($match, $prefix, $prefixLength) === 0) {
                 $name = $match;
                 break;
             }

Original file line number	Diff line number	Diff line change
`@@ -417,7 +417,7 @@ private function getJsonErrorName($error)`
`417`	`417`	`$name = 'UNKNOWN_ERROR';`
`418`	`418`
`419`	`419`	`foreach ($matches as $match) {`
`420`		`- if (strncmp($match, $prefix, $prefixLength) === 0) {`
	`420`	`+ if (is_string($match) && strncmp($match, $prefix, $prefixLength) === 0) {`
`421`	`421`	`$name = $match;`
`422`	`422`	`break;`
`423`	`423`	`}`