What is the purpose of using "ob_start();" at the beginning of a PHP script, and how does it help resolve header modification errors?

When working with PHP scripts, it's essential to use ob_start(); at the beginning of the script to buffer the output. This function helps to prevent header modification errors by capturing the output before any headers are sent to the browser. By buffering the output, you can modify headers or perform other operations without encountering errors related to header modifications. 

<?php
ob_start();

// Your PHP script code here

Keywords

ob_start PHP script header modification errors output buffering resolve

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