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Wrap special characters that should be super scripted with the <sup> tag.
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<?php | ||
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namespace Pbc\Bandolier\Type\Html; | ||
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use Pbc\Bandolier\Type\BaseType; | ||
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class SpecialCharacter extends BaseType | ||
{ | ||
/** | ||
* Superscript special characters | ||
* @see https://en.wikipedia.org/wiki/Registered_trademark_symbol#Related_symbols | ||
* @param $string string to modify | ||
* @param array $characters List of characters to find and apply superscript | ||
* @return string | ||
*/ | ||
public static function superscriptSpecialCharacters($string, array $characters = []) { | ||
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$defaults = [ | ||
'registered' => ['®', '®', '®', '®'], | ||
'trademark' => ['™', '™', '™'], | ||
'copyright' => ['©', '©', '©'], | ||
'service' => ['℠', '℠'], | ||
'phonogram' => ['℗', '℗'], | ||
'hechsher' => ['Ⓤ', 'Ⓤ'] | ||
]; | ||
$characters = array_merge($defaults, $characters); | ||
$specials = array(); | ||
array_walk_recursive($characters, function ($v) use (&$specials) { | ||
$specials[] = $v; | ||
}); | ||
// wrap all the special characters above with superscript tags | ||
for ($i = 0, $iCount = count($specials); $i < $iCount; $i++) { | ||
if (strpos($string, $specials[0]) !== false) { | ||
$string = str_replace($specials[$i], '<sup>' . $specials[$i] . '</sup>', $string); | ||
} | ||
} | ||
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return $string; | ||
} | ||
} |
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<?php | ||
/** | ||
* ${CLASS_NAME} | ||
* | ||
* Created 10/23/18 1:16 PM | ||
* Description of this file here.... | ||
* | ||
* @author Nate Nolting <naten@paulbunyan.net> | ||
* @package Pbc\Bandolier\Type\Html | ||
* @subpackage Subpackage | ||
*/ | ||
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namespace Pbc\Bandolier\Type\Html; | ||
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class SpecialCharacterTest extends \PHPUnit_Framework_TestCase | ||
{ | ||
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public function testSuperscriptSpecialCharacters() | ||
{ | ||
$string = "This® Thing™ is©"; | ||
$stringAfter = "This<sup>®</sup> Thing<sup>™</sup> is<sup>©</sup>"; | ||
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$this->assertSame($stringAfter, SpecialCharacter::superscriptSpecialCharacters($string)); | ||
} | ||
} |