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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Translate Characters Using Replacement Pairs in PHP</title> </head> <body> <?php // Sample string $str = "hi all, I said hello"; // Defining replacement pairs $replace_array = array("h" => "x", "hi" => "hello", "hello" => "hi"); // Performing replacement echo strtr($str, $replace_array); ?> </body> </html>
