PHP Output Buffering Processing the buffer via a callback
Example
You can apply any kind of additional processing to the output by passing a callable to ob_start().
<?php
function clearAllWhiteSpace($buffer) {
return str_replace(array("\n", "\t", ' '), '', $buffer);
}
ob_start('clearAllWhiteSpace');
?>
<h1>Lorem Ipsum</h1>
<p><strong>Pellentesque habitant morbi tristique</strong> senectus et netus et malesuada fames ac turpis egestas. <a href="/?originalUrl=https%3A%2F%2Friptutorial.com%2F%26quot%3B%23%26quot%3B%26gt%3BDonec%2520non%2520enim%26lt%3B%2Fa%26gt%3B%2520in%2520turpis%2520pulvinar%2520facilisis.%26lt%3B%2Fp%26gt%3B%26lt%3Bh2%26gt%3BHeader%2520Level%25202%26lt%3B%2Fh2%26gt%3B%26lt%3Bol%26gt%3B%2520%2520%2520%26lt%3Bli%26gt%3BLorem%2520ipsum%2520dolor%2520sit%2520amet%2C%2520consectetuer%2520adipiscing%2520elit.%26lt%3B%2Fli%26gt%3B%2520%2520%2520%26lt%3Bli%26gt%3BAliquam%2520tincidunt%2520mauris%2520eu%2520risus.%26lt%3B%2Fli%26gt%3B%26lt%3B%2Fol%26gt%3B%26lt%3B%3Fphp%2F*%2520Output%2520will%2520be%2520flushed%2520and%2520processed%2520when%2520script%2520ends%2520or%2520call%2520%2520%2520%2520%2520ob_end_flush()%3B*%2F%253C%2Fcode">Output:
<h1>LoremIpsum</h1><p><strong>Pellentesquehabitantmorbitristique</strong>senectusetnetusetmalesuadafamesacturpisegestas.<ahref="/?originalUrl=https%3A%2F%2Friptutorial.com%2F%26quot%3B%23%26quot%3B%26gt%3BDonecnonenim%26lt%3B%2Fa%26gt%3Binturpispulvinarfacilisis.%26lt%3B%2Fp%26gt%3B%26lt%3Bh2%26gt%3BHeaderLevel2%26lt%3B%2Fh2%26gt%3B%26lt%3Bol%26gt%3B%26lt%3Bli%26gt%3BLoremipsumdolorsitamet%2Cconsectetueradipiscingelit.%26lt%3B%2Fli%26gt%3B%26lt%3Bli%26gt%3BAliquamtinciduntmauriseurisus.%26lt%3B%2Fli%26gt%3B%26lt%3B%2Fol%26gt%3B%253C%2Fcode">
