diff --git a/__tests__/features.test.ts b/__tests__/features.test.ts
index b900b95e..7a029296 100644
--- a/__tests__/features.test.ts
+++ b/__tests__/features.test.ts
@@ -22,11 +22,9 @@ describe('Features tests', () => {
     );
     win32 = await features.addExtension('xdebug, pcov', '7.4', 'win32');
     expect(win32).toContain(
-      'Install-PhpExtension xdebug -MinimumStability alpha'
-    );
-    expect(win32).toContain(
-      'Install-PhpExtension pcov -MinimumStability alpha'
+      'Install-PhpExtension xdebug -Version 2.8 -MinimumStability beta'
     );
+    expect(win32).toContain('Install-PhpExtension pcov -MinimumStability beta');
 
     win32 = await features.addExtension('does_not_exist', '7.2', 'win32');
     expect(win32).toContain('Could not find does_not_exist for PHP7.2 on PECL');
@@ -61,9 +59,18 @@ describe('Features tests', () => {
     expect(darwin).toContain('sudo pecl install xdebug');
     expect(darwin).toContain('sudo pecl install pcov');
 
+    darwin = await features.addExtension('pcov', '5.6', 'darwin');
+    expect(darwin).toContain('sudo pecl install pcov');
+
+    darwin = await features.addExtension('pcov', '7.2', 'darwin');
+    expect(darwin).toContain('sudo pecl install pcov');
+
     darwin = await features.addExtension('xdebug', '5.6', 'darwin');
     expect(darwin).toContain('sudo pecl install xdebug-2.5.5');
 
+    darwin = await features.addExtension('xdebug', '7.2', 'darwin');
+    expect(darwin).toContain('sudo pecl install xdebug');
+
     darwin = await features.addExtension('does_not_exist', '7.2', 'darwin');
     expect(darwin).toContain(
       'Could not find does_not_exist for PHP7.2 on PECL'
@@ -130,7 +137,7 @@ describe('Features tests', () => {
   it('checking addCoverage on windows', async () => {
     let win32: string = await features.addCoverage('xdebug', '7.4', 'win32');
     expect(win32).toContain(
-      'Install-PhpExtension xdebug -MinimumStability alpha'
+      'Install-PhpExtension xdebug -Version 2.8 -MinimumStability beta'
     );
 
     win32 = await features.addCoverage('xdebug', '7.3', 'win32');
@@ -139,9 +146,7 @@ describe('Features tests', () => {
     );
 
     win32 = await features.addCoverage('pcov', '7.4', 'win32');
-    expect(win32).toContain(
-      'Install-PhpExtension pcov -MinimumStability alpha'
-    );
+    expect(win32).toContain('Install-PhpExtension pcov -MinimumStability beta');
     expect(win32).toContain(
       'if(php -m | findstr -i xdebug) { Disable-PhpExtension xdebug C:\\tools\\php'
     );
diff --git a/__tests__/utils.test.ts b/__tests__/utils.test.ts
index e74c3bea..c7a14471 100644
--- a/__tests__/utils.test.ts
+++ b/__tests__/utils.test.ts
@@ -129,6 +129,16 @@ describe('Utils tests', () => {
     expect(success_log).toEqual('echo -e "\\033[32;1m' + message + '\\033[0m"');
   });
 
+  it('checking getExtensionPrefix', async () => {
+    expect(await utils.getExtensionPrefix('extensionDoesNotExist')).toEqual(
+      'extension'
+    );
+    expect(await utils.getExtensionPrefix('xsl')).toEqual('extension');
+    expect(await utils.getExtensionPrefix('xdebug')).toEqual('zend_extension');
+    expect(await utils.getExtensionPrefix('opcache')).toEqual('zend_extension');
+  });
+});
+describe('pecl tests', () => {
   it('checking checkPECLExtension', async () => {
     expect(await pecl.checkPECLExtension('extensionDoesNotExist')).toBe(false);
     expect(await pecl.checkPECLExtension('xdebug')).toBe(true);
diff --git a/lib/features.js b/lib/features.js
index 2e39b4b3..e9dfed76 100644
--- a/lib/features.js
+++ b/lib/features.js
@@ -57,7 +57,7 @@ function enableExtensionWindows(extension) {
         return (`try {  
   $exist = Test-Path -Path $ext_dir\\php_${extension}.dll
   if(!(php -m | findstr -i ${extension}) -and $exist) {
-    Add-Content C:\\tools\\php\\php.ini "extension=php_${extension}.dll"\n` +
+    Add-Content C:\\tools\\php\\php.ini "${yield utils.getExtensionPrefix(extension)}=php_${extension}.dll"\n` +
             (yield utils.log('Enabled ' + extension, 'win32', 'success')) +
             ` } elseif(php -m | findstr -i ${extension}) {\n` +
             (yield utils.log('Extension ' + extension + ' was already enabled', 'win32', 'success')) +
@@ -76,8 +76,8 @@ exports.enableExtensionWindows = enableExtensionWindows;
  */
 function enableExtensionUnix(extension, os_version) {
     return __awaiter(this, void 0, void 0, function* () {
-        return (`if [ ! "$(php -m | grep -i ${extension})" ] && [ -e "$ext_dir/${extension}.so" ]; then
-  echo "extension=${extension}.so" >> 'php -i | grep "Loaded Configuration" | sed -e "s|.*=>\s*||"'\n` +
+        return (`if [ ! "$(php -m | grep -i ${extension})" ] && [ -e "$ext_dir/php_${extension}.so" ]; then
+  echo "${yield utils.getExtensionPrefix(extension)}=php_${extension}.so" >> 'php -i | grep "Loaded Configuration" | sed -e "s|.*=>\s*||"'\n` +
             (yield utils.log('Enabled ' + extension, os_version, 'success')) +
             `;\n elif [ "$(php -m | grep -i ${extension})" ]; then \n` +
             (yield utils.log('Extension ' + extension + ' was already enabled', os_version, 'success')) +
@@ -102,15 +102,25 @@ function addExtensionDarwin(extension_csv, version) {
                 script += yield enableExtensionUnix(extension, 'darwin');
                 switch (yield pecl.checkPECLExtension(extension)) {
                     case true:
-                        let extension_version = version === '5.6' && extension === 'xdebug'
-                            ? 'xdebug-2.5.5'
-                            : extension;
+                        let extension_version = extension;
+                        switch (version + extension) {
+                            case '5.6xdebug':
+                                extension_version = 'xdebug-2.5.5';
+                                break;
+                            case '7.4xdebug':
+                                extension_version = 'xdebug-2.8.0beta2';
+                                break;
+                            case '7.2xdebug':
+                            default:
+                                extension_version = extension;
+                                break;
+                        }
                         script +=
                             'if [ ! "$(php -m | grep -i ' +
                                 extension +
                                 ')" ]; then sudo pecl install ' +
                                 extension_version +
-                                ' >/dev/null 2>&1 && ' +
+                                '  >/dev/null 2>&1 && ' +
                                 (yield utils.log('Installed and enabled ' + extension, 'darwin', 'success')) +
                                 ' || ' +
                                 (yield utils.log('Could not install ' + extension + ' on PHP' + version, 'darwin', 'error')) +
@@ -147,26 +157,36 @@ function addExtensionWindows(extension_csv, version) {
                 extension = extension.toLowerCase();
                 // add script to enable extension is already installed along with php
                 script += yield enableExtensionWindows(extension);
-                let extension_version = '';
+                let extension_stability = '';
                 switch (version) {
                     case '7.4':
-                        extension_version = 'alpha';
+                        extension_stability = 'beta';
                         break;
                     case '7.2':
                     default:
-                        extension_version = 'stable';
+                        extension_stability = 'stable';
                         break;
                 }
                 switch (yield pecl.checkPECLExtension(extension)) {
                     case true:
+                        let extension_version = extension;
+                        switch (version + extension) {
+                            case '7.4xdebug':
+                                extension_version = 'xdebug -Version 2.8';
+                                break;
+                            case '7.2xdebug':
+                            default:
+                                extension_version = extension;
+                                break;
+                        }
                         script +=
                             'if(!(php -m | findstr -i ' +
                                 extension +
                                 ')) { ' +
                                 'try { Install-PhpExtension ' +
-                                extension +
-                                ' -MinimumStability ' +
                                 extension_version +
+                                ' -MinimumStability ' +
+                                extension_stability +
                                 '\n' +
                                 (yield utils.log('Installed and enabled ' + extension, 'win32', 'success')) +
                                 ' } catch [Exception] { ' +
@@ -211,10 +231,18 @@ function addExtensionLinux(extension_csv, version) {
                         version +
                         '-' +
                         extension +
+                        ' >/dev/null 2>&1 || sudo DEBIAN_FRONTEND=noninteractive apt install -y php-' +
+                        extension +
                         ' >/dev/null 2>&1 && ' +
                         (yield utils.log('Installed and enabled ' + extension, 'linux', 'success')) +
                         ' || ' +
-                        (yield utils.log('Could not find php' + version + '-' + extension + ' on APT repository', 'linux', 'error')) +
+                        (yield utils.log('Could not find php-' +
+                            extension +
+                            ' or php' +
+                            version +
+                            '-' +
+                            extension +
+                            ' on APT repository', 'linux', 'error')) +
                         '; fi\n';
             });
         });
diff --git a/lib/utils.js b/lib/utils.js
index 001b79bd..e8ec6a85 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -141,3 +141,17 @@ function log(message, os_version, log_type) {
     });
 }
 exports.log = log;
+function getExtensionPrefix(extension) {
+    return __awaiter(this, void 0, void 0, function* () {
+        let zend = ['xdebug', 'opcache'];
+        switch (zend.indexOf(extension)) {
+            case 0:
+            case 1:
+                return 'zend_extension';
+            case -1:
+            default:
+                return 'extension';
+        }
+    });
+}
+exports.getExtensionPrefix = getExtensionPrefix;
diff --git a/src/features.ts b/src/features.ts
index 104869cb..e720ccd4 100644
--- a/src/features.ts
+++ b/src/features.ts
@@ -48,7 +48,9 @@ export async function enableExtensionWindows(extension: string) {
     `try {  
   $exist = Test-Path -Path $ext_dir\\php_${extension}.dll
   if(!(php -m | findstr -i ${extension}) -and $exist) {
-    Add-Content C:\\tools\\php\\php.ini "extension=php_${extension}.dll"\n` +
+    Add-Content C:\\tools\\php\\php.ini "${await utils.getExtensionPrefix(
+      extension
+    )}=php_${extension}.dll"\n` +
     (await utils.log('Enabled ' + extension, 'win32', 'success')) +
     ` } elseif(php -m | findstr -i ${extension}) {\n` +
     (await utils.log(
@@ -74,8 +76,10 @@ export async function enableExtensionUnix(
   os_version: string
 ) {
   return (
-    `if [ ! "$(php -m | grep -i ${extension})" ] && [ -e "$ext_dir/${extension}.so" ]; then
-  echo "extension=${extension}.so" >> 'php -i | grep "Loaded Configuration" | sed -e "s|.*=>\s*||"'\n` +
+    `if [ ! "$(php -m | grep -i ${extension})" ] && [ -e "$ext_dir/php_${extension}.so" ]; then
+  echo "${await utils.getExtensionPrefix(
+    extension
+  )}=php_${extension}.so" >> 'php -i | grep "Loaded Configuration" | sed -e "s|.*=>\s*||"'\n` +
     (await utils.log('Enabled ' + extension, os_version, 'success')) +
     `;\n elif [ "$(php -m | grep -i ${extension})" ]; then \n` +
     (await utils.log(
@@ -105,16 +109,25 @@ export async function addExtensionDarwin(
     script += await enableExtensionUnix(extension, 'darwin');
     switch (await pecl.checkPECLExtension(extension)) {
       case true:
-        let extension_version: string =
-          version === '5.6' && extension === 'xdebug'
-            ? 'xdebug-2.5.5'
-            : extension;
+        let extension_version: string = extension;
+        switch (version + extension) {
+          case '5.6xdebug':
+            extension_version = 'xdebug-2.5.5';
+            break;
+          case '7.4xdebug':
+            extension_version = 'xdebug-2.8.0beta2';
+            break;
+          case '7.2xdebug':
+          default:
+            extension_version = extension;
+            break;
+        }
         script +=
           'if [ ! "$(php -m | grep -i ' +
           extension +
           ')" ]; then sudo pecl install ' +
           extension_version +
-          ' >/dev/null 2>&1 && ' +
+          '  >/dev/null 2>&1 && ' +
           (await utils.log(
             'Installed and enabled ' + extension,
             'darwin',
@@ -162,27 +175,37 @@ export async function addExtensionWindows(
     extension = extension.toLowerCase();
     // add script to enable extension is already installed along with php
     script += await enableExtensionWindows(extension);
-    let extension_version: string = '';
+    let extension_stability: string = '';
     switch (version) {
       case '7.4':
-        extension_version = 'alpha';
+        extension_stability = 'beta';
         break;
       case '7.2':
       default:
-        extension_version = 'stable';
+        extension_stability = 'stable';
         break;
     }
 
     switch (await pecl.checkPECLExtension(extension)) {
       case true:
+        let extension_version: string = extension;
+        switch (version + extension) {
+          case '7.4xdebug':
+            extension_version = 'xdebug -Version 2.8';
+            break;
+          case '7.2xdebug':
+          default:
+            extension_version = extension;
+            break;
+        }
         script +=
           'if(!(php -m | findstr -i ' +
           extension +
           ')) { ' +
           'try { Install-PhpExtension ' +
-          extension +
-          ' -MinimumStability ' +
           extension_version +
+          ' -MinimumStability ' +
+          extension_stability +
           '\n' +
           (await utils.log(
             'Installed and enabled ' + extension,
@@ -238,6 +261,8 @@ export async function addExtensionLinux(
       version +
       '-' +
       extension +
+      ' >/dev/null 2>&1 || sudo DEBIAN_FRONTEND=noninteractive apt install -y php-' +
+      extension +
       ' >/dev/null 2>&1 && ' +
       (await utils.log(
         'Installed and enabled ' + extension,
@@ -246,7 +271,13 @@ export async function addExtensionLinux(
       )) +
       ' || ' +
       (await utils.log(
-        'Could not find php' + version + '-' + extension + ' on APT repository',
+        'Could not find php-' +
+          extension +
+          ' or php' +
+          version +
+          '-' +
+          extension +
+          ' on APT repository',
         'linux',
         'error'
       )) +
diff --git a/src/linux.sh b/src/linux.sh
index a74f5575..e522aec5 100644
--- a/src/linux.sh
+++ b/src/linux.sh
@@ -28,7 +28,7 @@ fi
 
 composer global require hirak/prestissimo >/dev/null 2>&1
 ini_file=$(php --ini | grep "Loaded Configuration" | sed -e "s|.*:s*||" | sed "s/ //g")
-ext_dir=$(/usr/bin/php -i | grep "extension_dir => /usr" | sed -e "s|.*=> s*||")
+ext_dir=$(php -i | grep "extension_dir => /usr" | sed -e "s|.*=> s*||")
 sudo chmod 777 "$ini_file"
 sudo mkdir -p /run/php
 php -v
diff --git a/src/utils.ts b/src/utils.ts
index d576239a..bce0a3f6 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -146,3 +146,15 @@ export async function log(
       );
   }
 }
+
+export async function getExtensionPrefix(extension: string): Promise<string> {
+  let zend: Array<string> = ['xdebug', 'opcache'];
+  switch (zend.indexOf(extension)) {
+    case 0:
+    case 1:
+      return 'zend_extension';
+    case -1:
+    default:
+      return 'extension';
+  }
+}