What are some best practices for handling whitespace and HTML formatting when working with PHP?

When working with PHP, it's important to handle whitespace and HTML formatting properly to ensure clean and readable code. One common issue is unintentional whitespace being output to the browser, which can cause formatting problems. To solve this, you can use PHP's output buffering functions to capture output and then manipulate it before sending it to the browser. 

<?php
ob_start(); // Start output buffering

// Your PHP code here

ob_end_clean(); // Clean (delete) the output buffer

Keywords

whitespace HTML formatting PHP strip_tags trim

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