title: oracle instant client sdk header files not found linux
body: <p>Today I tried to install oci8 using &quot;pecl install /tmp/oci8-2.2.0.tgz&quot; and it throws error like
  <strong>oracle instant client sdk header files not found linux</strong></p>
  <p>I set ORACLE_HOME path but still, I am getting this error. Please help</p>
  <pre><code>      checking if we're on a 64-bit platform... yes
        checking Oracle Instant Client directory... /usr/lib/oracle/19.11/client64/lib
        checking Oracle Instant Client SDK header directory... configure: error: Oracle Instant 
        Client SDK header files not found
        ERROR: `/var/tmp/oci8/configure --with-php-config=/usr/bin/php-config --with- 
        oci8='instantclient,/usr/lib/oracle/19.11/client64/lib'' failed
  </code></pre>
  <p>What to do here?</p>