How can PHP be used to insert a space after every 20 characters in a string?

To insert a space after every 20 characters in a string using PHP, you can use the `chunk_split()` function to split the string into chunks of 20 characters and then concatenate them back together with a space added after each chunk. 

<?php
$string = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.";
$chunks = str_split($string, 20);
$newString = implode(' ', $chunks);
echo $newString;
?>

Keywords

PHP string manipulation substr strlen loop

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