diff --git a/src/lib/code-sample/php.ts b/src/lib/code-sample/php.ts
index be7de60..25d6bc2 100644
--- a/src/lib/code-sample/php.ts
+++ b/src/lib/code-sample/php.ts
@@ -10,7 +10,7 @@ export const createPhpRequest = (
 ): string => {
   const parts = request.path.split('/')
   const requestParams = Object.entries(request.parameters)
-    .map(([key, value]) => `${key}:${JSON.stringify(value)}`)
+    .map(([key, value]) => `${key}: ${formatPhpValue(value)}`)
     .join(',')
 
   return `<?php\n$seam${parts.map((p) => snakeCase(p)).join('->')}(${requestParams})`
diff --git a/test/snapshots/blueprint.test.ts.md b/test/snapshots/blueprint.test.ts.md
index 9425855..0595c3c 100644
--- a/test/snapshots/blueprint.test.ts.md
+++ b/test/snapshots/blueprint.test.ts.md
@@ -149,7 +149,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: '["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]',
                       response_syntax: 'php',
@@ -251,7 +251,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: '["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]',
                       response_syntax: 'php',
@@ -353,7 +353,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: '[["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]',
                       response_syntax: 'php',
@@ -456,7 +456,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: '[["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]',
                       response_syntax: 'php',
@@ -559,7 +559,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: '["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]',
                       response_syntax: 'php',
@@ -661,7 +661,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: '["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]',
                       response_syntax: 'php',
@@ -763,7 +763,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: '[["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]',
                       response_syntax: 'php',
@@ -866,7 +866,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: '[["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]',
                       response_syntax: 'php',
@@ -969,7 +969,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: '["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]',
                       response_syntax: 'php',
@@ -1071,7 +1071,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: '["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]',
                       response_syntax: 'php',
@@ -1173,7 +1173,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: '[["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]',
                       response_syntax: 'php',
@@ -1276,7 +1276,7 @@ Generated by [AVA](https://avajs.dev).
                     },
                     php: {
                       request: `<?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: '[["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]',
                       response_syntax: 'php',
@@ -2048,7 +2048,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: `// php␊
                       ["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]`,
@@ -2162,7 +2162,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: `// php␊
                       ["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]`,
@@ -2276,7 +2276,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: `// php␊
                       [["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]`,
@@ -2391,7 +2391,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: `// php␊
                       [["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]`,
@@ -2506,7 +2506,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: `// php␊
                       ["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]`,
@@ -2620,7 +2620,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: `// php␊
                       ["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]`,
@@ -2734,7 +2734,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: `// php␊
                       [["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]`,
@@ -2849,7 +2849,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: `// php␊
                       [["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]`,
@@ -2964,7 +2964,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: `// php␊
                       ["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]`,
@@ -3078,7 +3078,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->get(foo_id:"8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
+                      $seam->foos->get(foo_id: "8d7e0b3a-b889-49a7-9164-4b71a0506a33")`,
                       request_syntax: 'php',
                       response: `// php␊
                       ["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar", "nested_object_prop" => ["foo" => "bar"]],"array_prop" => ["foo", "bar"]]`,
@@ -3192,7 +3192,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: `// php␊
                       [["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]`,
@@ -3307,7 +3307,7 @@ Generated by [AVA](https://avajs.dev).
                     php: {
                       request: `// php␊
                       <?php␊
-                      $seam->foos->list(object_prop:{"foo":"bar"})`,
+                      $seam->foos->list(object_prop: ["foo" => "bar"])`,
                       request_syntax: 'php',
                       response: `// php␊
                       [["foo_id" => "8d7e0b3a-b889-49a7-9164-4b71a0506a33","name" => "Best foo","nullable_prop" => null,"number_prop" => 10,"object_prop" => ["foo" => "bar"],"array_prop" => ["foo", "bar"]]]`,
diff --git a/test/snapshots/blueprint.test.ts.snap b/test/snapshots/blueprint.test.ts.snap
index e767e15..ef2e63e 100644
Binary files a/test/snapshots/blueprint.test.ts.snap and b/test/snapshots/blueprint.test.ts.snap differ