minor symfony#59899 [ErrorHandler] Improve an error message (fabpot)

This PR was merged into the 7.3 branch.

Discussion
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[ErrorHandler] Improve an error message

| Q             | A
| ------------- | ---
| Branch?       | 7.3
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Issues        | n/a
| License       | MIT

I got this error message this morning and I was confused.

Commits
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126f556 [ErrorHandler] Improve an error message

Author: fabpot

src/Symfony/Component/ErrorHandler/ErrorEnhancer/UndefinedFunctionErrorEnhancer.php

@@ -47,10 +47,10 @@ public function enhance(\Throwable $error): ?\Throwable
         if (false !== $namespaceSeparatorIndex = strrpos($fullyQualifiedFunctionName, '\\')) {
             $functionName = substr($fullyQualifiedFunctionName, $namespaceSeparatorIndex + 1);
             $namespacePrefix = substr($fullyQualifiedFunctionName, 0, $namespaceSeparatorIndex);
-            $message = \sprintf('Attempted to call function "%s" from namespace "%s".', $functionName, $namespacePrefix);
+            $message = \sprintf('Attempted to call undefined function "%s" from namespace "%s".', $functionName, $namespacePrefix);
         } else {
             $functionName = $fullyQualifiedFunctionName;
-            $message = \sprintf('Attempted to call function "%s" from the global namespace.', $functionName);
+            $message = \sprintf('Attempted to call undefined function "%s" from the global namespace.', $functionName);
         }
 
         $candidates = [];

src/Symfony/Component/ErrorHandler/Tests/ErrorEnhancer/UndefinedFunctionErrorEnhancerTest.php

@@ -39,19 +39,19 @@ public static function provideUndefinedFunctionData()
         return [
             [
                 'Call to undefined function test_namespaced_function()',
-                "Attempted to call function \"test_namespaced_function\" from the global namespace.\nDid you mean to call \"\\symfony\\component\\errorhandler\\tests\\errorenhancer\\test_namespaced_function\"?",
+                "Attempted to call undefined function \"test_namespaced_function\" from the global namespace.\nDid you mean to call \"\\symfony\\component\\errorhandler\\tests\\errorenhancer\\test_namespaced_function\"?",
             ],
             [
                 'Call to undefined function Foo\\Bar\\Baz\\test_namespaced_function()',
-                "Attempted to call function \"test_namespaced_function\" from namespace \"Foo\\Bar\\Baz\".\nDid you mean to call \"\\symfony\\component\\errorhandler\\tests\\errorenhancer\\test_namespaced_function\"?",
+                "Attempted to call undefined function \"test_namespaced_function\" from namespace \"Foo\\Bar\\Baz\".\nDid you mean to call \"\\symfony\\component\\errorhandler\\tests\\errorenhancer\\test_namespaced_function\"?",
             ],
             [
                 'Call to undefined function foo()',
-                'Attempted to call function "foo" from the global namespace.',
+                'Attempted to call undefined function "foo" from the global namespace.',
             ],
             [
                 'Call to undefined function Foo\\Bar\\Baz\\foo()',
-                'Attempted to call function "foo" from namespace "Foo\Bar\Baz".',
+                'Attempted to call undefined function "foo" from namespace "Foo\Bar\Baz".',
             ],
         ];
     }