How can output buffering affect the visibility of echo/print_r statements in PHP?

Output buffering can affect the visibility of echo/print_r statements in PHP by capturing the output before it is sent to the browser. This means that any echo/print_r statements will not be immediately visible on the page. To solve this issue, you can use the ob_end_flush() function to flush the output buffer and send its contents to the browser. 

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

// Your PHP code with echo/print_r statements

ob_end_flush(); // Flush the output buffer and send its contents to the browser
?>

Keywords

output buffering visibility echo print_r statements

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