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Add methods for converting emojis from unicode to named and back. #2

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merged 1 commit into from May 21, 2016
Merged

Add methods for converting emojis from unicode to named and back. #2

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22 changes: 22 additions & 0 deletions src/Emoji.php
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Expand Up @@ -68,6 +68,28 @@ public function replaceEmojiWithImages($string)
return $string;
}

public function replaceNamedWithUnicode($string)
{
$index = $this->getIndex();

return preg_replace_callback($index->getEmojiNameRegex(), function ($matches) use ($index) {
$emoji = $index->findByName($matches[1]);

return $index->convertUnicodeToString($emoji['unicode']);
}, $string);
}

public function replaceUnicodeWithNamed($string)
{
$index = $this->getIndex();

return preg_replace_callback($index->getEmojiUnicodeRegex(), function ($matches) use ($index) {
$emoji = $index->findByUnicode($matches[0]);

return ':'.$emoji['name'].':';
}, $string);
}

public function countEmoji($string)
{
$index = $this->getIndex();
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2 changes: 1 addition & 1 deletion src/EmojiIndex.php
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Expand Up @@ -113,7 +113,7 @@ public function getEmojiNameRegex()
return $this->emojiNameRegex;
}

private function convertUnicodeToString($cp)
public function convertUnicodeToString($cp)
{
$cp = hexdec($cp);

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20 changes: 17 additions & 3 deletions tests/EmojiTest.php
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Expand Up @@ -15,18 +15,32 @@ public function setUp()
public function testEmojiReplacesUnicodeEmojiWithImage()
{
$replacedString = $this->emoji->replaceEmojiWithImages('I ❤ Emoji');
$this->assertEquals('I <img alt=":heart:" class="emoji" src="http://twemoji.maxcdn.com/36x36/2764.png"> Emoji', $replacedString);
$this->assertSame('I <img alt=":heart:" class="emoji" src="http://twemoji.maxcdn.com/36x36/2764.png"> Emoji', $replacedString);
}

public function testEmojiReplacesNamedEmojiWithImage()
{
$replacedString = $this->emoji->replaceEmojiWithImages('Merry Christmas :santa:');
$this->assertEquals('Merry Christmas <img alt=":santa:" class="emoji" src="http://twemoji.maxcdn.com/36x36/1f385.png">', $replacedString);
$this->assertSame('Merry Christmas <img alt=":santa:" class="emoji" src="http://twemoji.maxcdn.com/36x36/1f385.png">', $replacedString);
}

public function testReplaceNamedWithUnicode()
{
$replacedString = $this->emoji->replaceNamedWithUnicode('I :heart: Emoji');

$this->assertSame('I ❤ Emoji', $replacedString);
}

public function testReplaceUnicodeWithNamed()
{
$replacedString = $this->emoji->replaceUnicodeWithNamed('I ❤ Emoji');

$this->assertSame('I :heart: Emoji', $replacedString);
}

public function testCountEmojiWithoutAnyEmoji()
{
$this->assertEquals(0, $this->emoji->countEmoji('This does not contain any emoji'));
$this->assertSame(0, $this->emoji->countEmoji('This does not contain any emoji'));
}

public function testCountEmojiWithEmoji()
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