first commit

test.php

@@ -0,0 +1,36 @@
+<?php
+include_once('wp-load.php');
+
+$args = array(
+    'posts_per_page' => -1,
+    'post_type' => 'post',
+    'lang' => 'pl',
+);
+
+$query = new WP_Query( $args );
+
+$i = 0;
+
+if ( $query->have_posts() ) {
+    $posts_data = array();
+
+    while ( $query->have_posts() ) {
+        $i++;
+        $query->the_post();
+
+        $post_data = array(
+            'id' => $i,
+            'title' => get_the_title(),
+            'url' => get_permalink(),
+        );
+
+        $posts_data[] = $post_data;
+    }
+
+    header('Content-Type: application/json');
+    echo json_encode($posts_data, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+
+    wp_reset_postdata(); 
+} else {
+    echo json_encode(array('error' => 'not found.'));
+}