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<?php |
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namespace Webfactory\ShortcodeBundle\Handler; |
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use Thunder\Shortcode\Event\ReplaceShortcodesEvent; |
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use Thunder\Shortcode\Shortcode\ReplacedShortcode; |
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/** |
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* Removes <p>...</p> tags if they directly wrap a short code. |
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* |
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* @see https://github.com/thunderer/Shortcode/issues/40 |
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*/ |
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final class RemoveWrappingParagraphElementsEventHandler |
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{ |
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/** |
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* @param ReplaceShortcodesEvent $event |
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*/ |
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public function __invoke(ReplaceShortcodesEvent $event) |
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{ |
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/* The text still containing shortcodes */ |
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$text = $event->getText(); |
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/* The generated ReplacedShortcode instances. Each ReplacedShortcode contains the Shortcode string in the |
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original form, it's offset and it's replacement string. */ |
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$replacements = $event->getReplacements(); |
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if (!$replacements) { |
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return; |
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} |
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/* Do the replacements from end to back to front, so the offsets remain valid. */ |
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$replacements_reversed = array_reverse($replacements); |
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$result = array_reduce( |
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$replacements_reversed, |
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function ($state, ReplacedShortcode $r) { |
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$offset = $r->getOffset(); |
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$lengthOfShortcode = mb_strlen($r->getText(), 'utf-8'); |
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$sourceTextBeforeShortcode = mb_substr($state, 0, $offset, 'utf-8'); |
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$sourceTextAfterShortcode = mb_substr($state, $offset + $lengthOfShortcode, null, 'utf-8'); |
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40
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if ( |
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preg_match('~(\s*<p>\s*)$~', $sourceTextBeforeShortcode, $prefixMatch) |
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&& preg_match('~(^\s*</p>\s*)~', $sourceTextAfterShortcode, $postfixMatch) |
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) { |
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$sourceTextBeforeShortcode = mb_substr($state, 0, $offset - mb_strlen($prefixMatch[0], 'utf-8'), 'utf-8'); |
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$sourceTextAfterShortcode = mb_substr( |
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$state, |
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$offset + $lengthOfShortcode + mb_strlen($postfixMatch[0], 'utf-8'), |
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null, |
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'utf-8' |
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); |
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} |
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return $sourceTextBeforeShortcode.$r->getReplacement().$sourceTextAfterShortcode; |
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}, |
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$text |
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); |
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$event->setResult($result); |
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} |
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} |
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webfactory /
WebfactoryShortcodeBundle
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.