PHP + HTML Free

SEO + Open Graph Block for PHP Layouts

A more complete meta head block for bespoke PHP layouts. Supports title, description, canonical, robots, OG and Twitter cards, while keeping page overrides easy via a simple $seo array.

1 min read 40 lines Intermediate Updated: March 2026

Use case

SEO rendering

Best for

Server-rendered PHP sites, programmatic pages, tool pages

Drop-in level

Drop in

Stack / dependencies

PHP 8+ Server-rendered HTML

Compatibility

Shared hosting Traditional PHP apps

Code snippet

Full version with formatting intact. Use “Copy stripped version” when you want a leaner base.

<?php
declare(strict_types=1);

$defaults = $defaults ?? [];
$seo      = $seo ?? [];

function esc(?string $value): string
{
    return htmlspecialchars((string)$value, ENT_QUOTES, 'UTF-8');
}

$title       = $seo['title'] ?? $defaults['title'] ?? 'Site title';
$description = $seo['description'] ?? $defaults['description'] ?? '';
$canonical   = $seo['canonical'] ?? $defaults['canonical'] ?? '';
$ogImage     = $seo['og_image'] ?? $defaults['og_image'] ?? '';
$robots      = $seo['robots'] ?? $defaults['robots'] ?? 'index,follow';
?>
<title><?= esc($title) ?></title>
<meta name="description" content="<?= esc($description) ?>">
<meta name="robots" content="<?= esc($robots) ?>">
<?php if ($canonical !== ''): ?>
<link rel="canonical" href="<?= esc($canonical) ?>">
<?php endif; ?>

<meta property="og:title" content="<?= esc($title) ?>">
<meta property="og:description" content="<?= esc($description) ?>">
<meta property="og:type" content="website">
<?php if ($canonical !== ''): ?>
<meta property="og:url" content="<?= esc($canonical) ?>">
<?php endif; ?>
<?php if ($ogImage !== ''): ?>
<meta property="og:image" content="<?= esc($ogImage) ?>">
<?php endif; ?>

<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="<?= esc($title) ?>">
<meta name="twitter:description" content="<?= esc($description) ?>">
<?php if ($ogImage !== ''): ?>
<meta name="twitter:image" content="<?= esc($ogImage) ?>">
<?php endif; ?>

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Tags

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