What role does the ob_start() function play in PHP output buffering and how can it be used effectively in this scenario?

The ob_start() function in PHP is used to turn on output buffering. This means that instead of sending output directly to the browser, it is stored in a buffer until the script finishes executing. This can be useful for manipulating or modifying output before it is sent to the browser. 

<?php
ob_start();

// Your PHP code here

// Output buffering is active, so any output will be stored in the buffer

ob_end_flush(); // Send the buffer contents to the browser
?>

Keywords

ob_start PHP output buffering function scenario

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