diff --git a/__tests__/utils.test.ts b/__tests__/utils.test.ts
index 5a234e02..43337465 100644
--- a/__tests__/utils.test.ts
+++ b/__tests__/utils.test.ts
@@ -8,6 +8,12 @@ jest.mock('@actions/core', () => ({
   })
 }));
 
+jest.spyOn(utils, 'fetch').mockImplementation(
+  async (url): Promise<string> => {
+    return `{ "latest": "8.0", "5.x": "5.6", "url": "${url}" }`;
+  }
+);
+
 async function cleanup(path: string): Promise<void> {
   fs.unlink(path, error => {
     if (error) {
@@ -32,6 +38,20 @@ describe('Utils tests', () => {
     }).rejects.toThrow('Input required and not supplied: DoesNotExist');
   });
 
+  it('checking fetch', async () => {
+    expect(await utils.fetch('test_url')).toBe(
+      '{ "latest": "8.0", "5.x": "5.6", "url": "test_url" }'
+    );
+  });
+
+  it('checking parseVersion', async () => {
+    expect(await utils.parseVersion('latest')).toBe('8.0');
+    expect(await utils.parseVersion('7')).toBe('7.0');
+    expect(await utils.parseVersion('7.4')).toBe('7.4');
+    expect(await utils.parseVersion('5.x')).toBe('5.6');
+    expect(await utils.parseVersion('4.x')).toBe(undefined);
+  });
+
   it('checking asyncForEach', async () => {
     const array: Array<string> = ['a', 'b', 'c'];
     let concat = '';
diff --git a/dist/index.js b/dist/index.js
index f4f046fa..e1272644 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1054,8 +1054,9 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.suppressOutput = exports.getExtensionPrefix = exports.CSVArray = exports.extensionArray = exports.writeScript = exports.readScript = exports.addLog = exports.stepLog = exports.log = exports.color = exports.asyncForEach = exports.getInput = exports.readEnv = void 0;
+exports.suppressOutput = exports.getExtensionPrefix = exports.CSVArray = exports.extensionArray = exports.writeScript = exports.readScript = exports.addLog = exports.stepLog = exports.log = exports.color = exports.asyncForEach = exports.parseVersion = exports.fetch = exports.getInput = exports.readEnv = void 0;
 const fs = __importStar(__webpack_require__(747));
+const https = __importStar(__webpack_require__(211));
 const path = __importStar(__webpack_require__(622));
 const core = __importStar(__webpack_require__(470));
 /**
@@ -1094,6 +1095,44 @@ async function getInput(name, mandatory) {
     }
 }
 exports.getInput = getInput;
+/**
+ * Function to fetch an URL
+ *
+ * @param url
+ */
+async function fetch(url) {
+    const fetch_promise = new Promise(resolve => {
+        const req = https.get(url, (res) => {
+            res.setEncoding('utf8');
+            let body = '';
+            res.on('data', chunk => (body += chunk));
+            res.on('end', () => resolve(body));
+        });
+        req.end();
+    });
+    return await fetch_promise;
+}
+exports.fetch = fetch;
+/**
+ * Function to parse PHP version.
+ *
+ * @param version
+ */
+async function parseVersion(version) {
+    const manifest = 'https://raw.githubusercontent.com/shivammathur/setup-php/develop/src/configs/php-versions.json';
+    switch (true) {
+        case /^(latest|\d+\.x)$/.test(version):
+            return JSON.parse(await fetch(manifest))[version];
+        default:
+            switch (true) {
+                case version.length > 1:
+                    return version.slice(0, 3);
+                default:
+                    return version + '.0';
+            }
+    }
+}
+exports.parseVersion = parseVersion;
 /**
  * Async foreach loop
  *
@@ -1285,6 +1324,13 @@ async function suppressOutput(os_version) {
 exports.suppressOutput = suppressOutput;
 
 
+/***/ }),
+
+/***/ 211:
+/***/ (function(module) {
+
+module.exports = require("https");
+
 /***/ }),
 
 /***/ 357:
@@ -2418,25 +2464,29 @@ exports.build = build;
 async function run() {
     try {
         core.warning('setup-php v1 is deprecated.\nPlease upgrade to v2 - https://github.com/shivammathur/setup-php/wiki/Switch-to-v2');
-        const os_version = process.platform;
-        let version = await utils.getInput('php-version', true);
-        version = version.length > 1 ? version.slice(0, 3) : version + '.0';
+        const version = await utils.parseVersion(await utils.getInput('php-version', true));
         if (version == '8.1') {
             core.setFailed('PHP 8.1 is not supported on setup-php v1.\nPlease upgrade to v2 - https://github.com/shivammathur/setup-php/wiki/Switch-to-v2');
             return;
         }
-        // check the os version and run the respective script
-        let script_path = '';
-        switch (os_version) {
-            case 'darwin':
-            case 'linux':
-                script_path = await build(os_version + '.sh', version, os_version);
-                await exec_1.exec('bash ' + script_path + ' ' + version + ' ' + __dirname);
-                break;
-            case 'win32':
-                script_path = await build('win32.ps1', version, os_version);
-                await exec_1.exec('pwsh ' + script_path + ' ' + version + ' ' + __dirname);
-                break;
+        if (version) {
+            const os_version = process.platform;
+            // check the os version and run the respective script
+            let script_path = '';
+            switch (os_version) {
+                case 'darwin':
+                case 'linux':
+                    script_path = await build(os_version + '.sh', version, os_version);
+                    await exec_1.exec('bash ' + script_path + ' ' + version + ' ' + __dirname);
+                    break;
+                case 'win32':
+                    script_path = await build('win32.ps1', version, os_version);
+                    await exec_1.exec('pwsh ' + script_path + ' ' + version + ' ' + __dirname);
+                    break;
+            }
+        }
+        else {
+            core.setFailed('Unable to get the PHP version');
         }
     }
     catch (error) {
diff --git a/src/configs/php-versions.json b/src/configs/php-versions.json
new file mode 100644
index 00000000..1096a264
--- /dev/null
+++ b/src/configs/php-versions.json
@@ -0,0 +1,6 @@
+{
+  "latest": "8.0",
+  "5.x": "5.6",
+  "7.x": "7.4",
+  "8.x": "8.0"
+}
\ No newline at end of file
diff --git a/src/install.ts b/src/install.ts
index bf1185b1..a4229ee1 100644
--- a/src/install.ts
+++ b/src/install.ts
@@ -58,27 +58,32 @@ export async function run(): Promise<void> {
     core.warning(
       'setup-php v1 is deprecated.\nPlease upgrade to v2 - https://github.com/shivammathur/setup-php/wiki/Switch-to-v2'
     );
-    const os_version: string = process.platform;
-    let version: string = await utils.getInput('php-version', true);
-    version = version.length > 1 ? version.slice(0, 3) : version + '.0';
+    const version: string = await utils.parseVersion(
+      await utils.getInput('php-version', true)
+    );
     if (version == '8.1') {
       core.setFailed(
         'PHP 8.1 is not supported on setup-php v1.\nPlease upgrade to v2 - https://github.com/shivammathur/setup-php/wiki/Switch-to-v2'
       );
       return;
     }
-    // check the os version and run the respective script
-    let script_path = '';
-    switch (os_version) {
-      case 'darwin':
-      case 'linux':
-        script_path = await build(os_version + '.sh', version, os_version);
-        await exec('bash ' + script_path + ' ' + version + ' ' + __dirname);
-        break;
-      case 'win32':
-        script_path = await build('win32.ps1', version, os_version);
-        await exec('pwsh ' + script_path + ' ' + version + ' ' + __dirname);
-        break;
+    if (version) {
+      const os_version: string = process.platform;
+      // check the os version and run the respective script
+      let script_path = '';
+      switch (os_version) {
+        case 'darwin':
+        case 'linux':
+          script_path = await build(os_version + '.sh', version, os_version);
+          await exec('bash ' + script_path + ' ' + version + ' ' + __dirname);
+          break;
+        case 'win32':
+          script_path = await build('win32.ps1', version, os_version);
+          await exec('pwsh ' + script_path + ' ' + version + ' ' + __dirname);
+          break;
+      }
+    } else {
+      core.setFailed('Unable to get the PHP version');
     }
   } catch (error) {
     core.setFailed(error.message);
diff --git a/src/utils.ts b/src/utils.ts
index e2ec8a54..c88f339b 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,4 +1,6 @@
+import {IncomingMessage} from 'http';
 import * as fs from 'fs';
+import * as https from 'https';
 import * as path from 'path';
 import * as core from '@actions/core';
 
@@ -41,6 +43,45 @@ export async function getInput(
   }
 }
 
+/**
+ * Function to fetch an URL
+ *
+ * @param url
+ */
+export async function fetch(url: string): Promise<string> {
+  const fetch_promise: Promise<string> = new Promise(resolve => {
+    const req = https.get(url, (res: IncomingMessage) => {
+      res.setEncoding('utf8');
+      let body = '';
+      res.on('data', chunk => (body += chunk));
+      res.on('end', () => resolve(body));
+    });
+    req.end();
+  });
+  return await fetch_promise;
+}
+
+/**
+ * Function to parse PHP version.
+ *
+ * @param version
+ */
+export async function parseVersion(version: string): Promise<string> {
+  const manifest =
+    'https://raw.githubusercontent.com/shivammathur/setup-php/develop/src/configs/php-versions.json';
+  switch (true) {
+    case /^(latest|\d+\.x)$/.test(version):
+      return JSON.parse(await fetch(manifest))[version];
+    default:
+      switch (true) {
+        case version.length > 1:
+          return version.slice(0, 3);
+        default:
+          return version + '.0';
+      }
+  }
+}
+
 /**
  * Async foreach loop
  *