{
$propertiesKey = ['property', 'name', 'itemprop'];
$properties = implode('|', $propertiesKey);
+ // We need a OR here to accept either 'property=og:noquote' or 'property="og:unrelated og:my-tag"'
+ $orCondition = '["\']?(?:og:)?'. $tag .'["\']?|["\'][^\'"]*?(?:og:)?' . $tag . '[^\'"]*?[\'"]';
// Try to retrieve OpenGraph image.
- $ogRegex = '#<meta[^>]+(?:'. $properties .')=["\']?(?:og:)?'. $tag .'["\'\s][^>]*content=["\']?(.*?)["\'/>]#';
+ $ogRegex = '#<meta[^>]+(?:'. $properties .')=(?:'. $orCondition .')[^>]*content=["\'](.*?)["\'].*?>#';
// If the attributes are not in the order property => content (e.g. Github)
// New regex to keep this readable... more or less.
- $ogRegexReverse = '#<meta[^>]+content=["\']([^"\']+)[^>]+(?:'. $properties .')=["\']?(?:og)?:'. $tag .'["\'\s/>]#';
+ $ogRegexReverse = '#<meta[^>]+content=["\'](.*?)["\'][^>]+(?:'. $properties .')=(?:'. $orCondition .').*?>#';
if (preg_match($ogRegex, $html, $matches) > 0
|| preg_match($ogRegexReverse, $html, $matches) > 0
public function testHtmlExtractExistentNameTag()
{
$description = 'Bob and Alice share cookies.';
+
+ // Simple one line
$html = '<html><meta>stuff2</meta><meta name="description" content="' . $description . '"/></html>';
$this->assertEquals($description, html_extract_tag('description', $html));
+
+ // Simple OpenGraph
+ $html = '<meta property="og:description" content="' . $description . '">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // Simple reversed OpenGraph
+ $html = '<meta content="' . $description . '" property="og:description">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // ItemProp OpenGraph
+ $html = '<meta itemprop="og:description" content="' . $description . '">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph without quotes
+ $html = '<meta property=og:description content="' . $description . '">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph reversed without quotes
+ $html = '<meta content="' . $description . '" property=og:description>';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph with noise
+ $html = '<meta tag1="content1" property="og:description" tag2="content2" content="' .
+ $description . '" tag3="content3">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph reversed with noise
+ $html = '<meta tag1="content1" content="' . $description . '" ' .
+ 'tag3="content3" tag2="content2" property="og:description">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph multiple properties start
+ $html = '<meta property="unrelated og:description" content="' . $description . '">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph multiple properties end
+ $html = '<meta property="og:description unrelated" content="' . $description . '">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph multiple properties both end
+ $html = '<meta property="og:unrelated1 og:description og:unrelated2" content="' . $description . '">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph multiple properties both end with noise
+ $html = '<meta tag1="content1" property="og:unrelated1 og:description og:unrelated2" '.
+ 'tag2="content2" content="' . $description . '" tag3="content3">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph reversed multiple properties start
+ $html = '<meta content="' . $description . '" property="unrelated og:description">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph reversed multiple properties end
+ $html = '<meta content="' . $description . '" property="og:description unrelated">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph reversed multiple properties both end
+ $html = '<meta content="' . $description . '" property="og:unrelated1 og:description og:unrelated2">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // OpenGraph reversed multiple properties both end with noise
+ $html = '<meta tag1="content1" content="' . $description . '" tag2="content2" '.
+ 'property="og:unrelated1 og:description og:unrelated2" tag3="content3">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
+
+ // Suggestion from #1375
+ $html = '<meta property="og:description" name="description" content="' . $description . '">';
+ $this->assertEquals($description, html_extract_tag('description', $html));
}
/**
{
$html = '<html><meta>stuff2</meta><meta name="image" content="img"/></html>';
$this->assertFalse(html_extract_tag('description', $html));
+
+ // Partial meta tag
+ $html = '<meta content="Brief description">';
+ $this->assertFalse(html_extract_tag('description', $html));
+
+ $html = '<meta property="og:description">';
+ $this->assertFalse(html_extract_tag('description', $html));
+
+ $html = '<meta tag1="content1" property="og:description">';
+ $this->assertFalse(html_extract_tag('description', $html));
+
+ $html = '<meta property="og:description" tag1="content1">';
+ $this->assertFalse(html_extract_tag('description', $html));
+
+ $html = '<meta tag1="content1" content="Brief description">';
+ $this->assertFalse(html_extract_tag('description', $html));
+
+ $html = '<meta content="Brief description" tag1="content1">';
+ $this->assertFalse(html_extract_tag('description', $html));
}
/**