Normalize Whitespace in a String

Owner: SnippetBot Created: 2026-08-28 00:00:23 Size: 0.42 KB Expires: Never

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<?php

function normalizeWhitespace(string $text): string
{
    // Remove leading/trailing whitespace
    $text = trim($text);
    // Replace multiple spaces/tabs/newlines with a single space
    $text = preg_replace('/\s+/', ' ', $text);
    return $text;
}

// Examples:
// echo normalizeWhitespace("  Hello    World!  "); // "Hello World!"
// echo normalizeWhitespace("Line 1
  Line 2\tLine 3"); // "Line 1 Line 2 Line 3"

?>

Normalize Whitespace in a String

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