[10.x] Anonymous component bound attribute values are evaluated twice

src/Illuminate/View/Compilers/ComponentTagCompiler.php

@@ -258,11 +258,11 @@ protected function componentString(string $component, array $attributes)
             $parameters = $data->all();
         }
 
-        return "##BEGIN-COMPONENT-CLASS##@component('{$class}', '{$component}', [".$this->attributesToString($parameters, $escapeBound = false).'])
+        return "##BEGIN-COMPONENT-CLASS##@component('{$class}', '{$component}', \$componentData = [".$this->attributesToString($parameters, $escapeBound = false).'])
 <?php if (isset($attributes) && $attributes instanceof Illuminate\View\ComponentAttributeBag && $constructor = (new ReflectionClass('.$class.'::class))->getConstructor()): ?>
 <?php $attributes = $attributes->except(collect($constructor->getParameters())->map->getName()->all()); ?>
 <?php endif; ?>
-<?php $component->withAttributes(['.$this->attributesToString($attributes->all(), $escapeAttributes = $class !== DynamicComponent::class).']); ?>';
+<?php $component->withAttributes(['.$this->attributesToStringWithExistingComponentData($attributes->all(), $escapeAttributes = $class !== DynamicComponent::class).']); ?>';
     }
 
     /**
@@ -783,6 +783,33 @@ protected function attributesToString(array $attributes, $escapeBound = true)
                 ->implode(',');
     }
 
+    /**
+     * Convert an array of attributes to a string using existing component data that has already been evaluated.
+     *
+     * @param  array  $attributes
+     * @param  bool  $escapeBound
+     * @return string
+     */
+    protected function attributesToStringWithExistingComponentData(array $attributes, $escapeBound = true)
+    {
+        return collect($attributes)
+            ->map(function (string $value, string $attribute) use ($escapeBound) {
+                if (
+                    (! $escapeBound) ||
+                    (! isset($this->boundAttributes[$attribute])) ||
+                    ($value === 'true') ||
+                    is_numeric($value)
+                ) {
+                    return "'{$attribute}' => {$value}";
+                }
+
+                return "'{$attribute}' => \Illuminate\View\Compilers\BladeCompiler::sanitizeComponentAttribute(".(
+                    ($attribute === 'attributes') ? $value : ('$componentData[\'data\'][\''.Str::camel($attribute).'\'] ?? null')
+                ).')';
+            })
+            ->implode(',');
+    }
+
     /**
      * Strip any quotes from the given string.
      *

src/Illuminate/View/Compilers/Concerns/CompilesComponents.php

@@ -67,6 +67,7 @@ public static function compileClassComponentOpening(string $component, string $a
     {
         return implode("\n", [
             '<?php if (isset($component)) { $__componentOriginal'.$hash.' = $component; } ?>',
+            '<?php if (isset($componentData)) { $__componentDataOriginal'.$hash.' = $componentData; } ?>',
             '<?php if (isset($attributes)) { $__attributesOriginal'.$hash.' = $attributes; } ?>',
             '<?php $component = '.$component.'::resolve('.($data ?: '[]').' + (isset($attributes) && $attributes instanceof Illuminate\View\ComponentAttributeBag ? (array) $attributes->getIterator() : [])); ?>',
             '<?php $component->withName('.$alias.'); ?>',
@@ -100,6 +101,10 @@ public function compileEndComponentClass()
             '<?php $attributes = $__attributesOriginal'.$hash.'; ?>',
             '<?php unset($__attributesOriginal'.$hash.'); ?>',
             '<?php endif; ?>',
+            '<?php if (isset($__componentDataOriginal'.$hash.')): ?>',
+            '<?php $componentData = $__componentDataOriginal'.$hash.'; ?>',
+            '<?php unset($__componentDataOriginal'.$hash.'); ?>',
+            '<?php endif; ?>',
             '<?php if (isset($__componentOriginal'.$hash.')): ?>',
             '<?php $component = $__componentOriginal'.$hash.'; ?>',
             '<?php unset($__componentOriginal'.$hash.'); ?>',