PHP code example of barnabywalters / mf-cleaner

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

barnabywalters / mf-cleaner example snippets

ias the namespace to ”Mf2” for convenience
use BarnabyWalters\Mf2;

// Check if an array structure is a microformat

$hCard = [
	'type' => ['h-card'],
	'properties' => [
		'name' => ['Example McExampleface'],
		'photo' => [['value' => 'https://example.org/photo.png', 'alt' => 'a photo of an example']],
		'logo' => ['https://example.org/logo.png']
	]
];

Mf2\isMicroformat($hCard); // true
Mf2\isMicroformat([1, 2, 3, 4, 'key' => 'value']); // false

Mf2\hasProp($hCard, 'name'); // true

Mf2\getPlaintext($hCard, 'name'); // 'Example McExampleface'

Mf2\getPlaintext($hCard, 'photo'); // 'https://example.org/photo.png'
Mf2\getImgAlt($hCard, 'photo'); // ['value' => 'https://example.org/photo.png', 'alt' => 'a photo of an example']

Mf2\getImgAlt($hCard, 'logo'); // ['value' => 'https://example.org/logo.png', 'alt' => '']

$hEntry = [
	'type' => ['h-entry'],
	'properties' => [
		'published' => ['2013-06-12 12:00:00'],
		'author' => [$hCard],
		'summary' => ['A plaintext summary with <>&" HTML special characters :o'],
		'content' => [['value' => 'Hi!', 'html' => '<p><em>Hi!</em></p>']]
	]
];

Mf2\flattenMicroformats($hEntry); // returns array with $hEntry followed by $hCard
Mf2\getAuthor($hEntry); // returns $hCard. Is an incomplete but still useful implementation of https://indieweb.org/authorship-spec which doesn’t follow links.

// Get the published datetime, fall back to updated if that’s present check that
// it can be parsed by \DateTime, return null if it can’t be found or is invalid
Mf2\getPublished($hEntry, true, null); // '2013-06-12 12:00:00'

Mf2\getHtml($hEntry, 'content'); // '<p><em>Hi!</em></p>'
Mf2\getHtml($hEntry, 'summary'); // "A plaintext summary with &lt;&gt;&amp;&quot; HTML special characters :o"

$microformats = [
	'items' => [$hEntry, $hCard]
];

Mf2\isMicroformatCollection($microformats); // true

Mf2\findMicroformatsByType($microformats, 'h-card'); // [$hCard]

Mf2\findMicroformatsByProperty($microformats, 'published'); // [$hEntry]

Mf2\findMicroformatsByCallable($microformats, function ($mf) {
	return Mf2\hasProp($mf, 'published') and Mf2\hasProp($mf, 'author');
}); // [$hEntry]