Avoid double declaration of Functional\match (e.g. for preloading)

lstrojny · lstrojny · commit 9e8363e3cb9d · 2020-10-12T11:48:50.000+02:00
diff --git a/src/Functional/Matching.php b/src/Functional/Matching.php
@@ -29,7 +29,7 @@ function matching(array $conditions)
 {
     MatchException::assert($conditions, __FUNCTION__);
 
-    return function ($value) use ($conditions) {
+    return static function ($value) use ($conditions) {
         if (empty($conditions)) {
             return null;
         }
@@ -41,7 +41,7 @@ function matching(array $conditions)
 }
 
 
-if (PHP_VERSION_ID < 80000) {
+if (PHP_VERSION_ID < 80000 && !function_exists('Functional\match')) {
     eval(<<<'ALIAS'
 namespace Functional;
 

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ function matching(array $conditions)`
`29`	`29`	`{`
`30`	`30`	`MatchException::assert($conditions, __FUNCTION__);`
`31`	`31`
`32`		`- return function ($value) use ($conditions) {`
	`32`	`+ return static function ($value) use ($conditions) {`
`33`	`33`	`if (empty($conditions)) {`
`34`	`34`	`return null;`
`35`	`35`	`}`
`@@ -41,7 +41,7 @@ function matching(array $conditions)`
`41`	`41`	`}`
`42`	`42`
`43`	`43`
`44`		`-if (PHP_VERSION_ID < 80000) {`
	`44`	`+if (PHP_VERSION_ID < 80000 && !function_exists('Functional\match')) {`
`45`	`45`	`eval(<<<'ALIAS'`
`46`	`46`	`namespace Functional;`
`47`	`47`