Problem to send emoji to Push Notification about php-emoji HOT 13 CLOSED

Oh, iPhones (since iOS) now use unified emoji, so you really want:

"\xF0\x9F\x98\x84 Vei na..."

Which is codepoint U+1F604

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It's as simple as using double quotes:

$body['aps'] = array('alert' => "\xf0\x9f\x98\x84", 'sound' => 'default');

After calling json_encode() on that, you'll get:

{"aps":{"alert":"\ud83d\ude04","sound":"default"}}

...which is correct JavaScript unicode escaping.

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That's not how you escape UTF-8 in PHP. Try this:

"\xEE\x90\x95 Vei na..."

You can find the UTF-8 bytes for a codepoint using this: http://unicodey.com/?cp=e415

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Cal, can you explain it with more details, please?

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1. How are you sending the message to APN? Using what language and what code?
2. iOS no longer uses \ue415 - you should be using \u1f604

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We try to send emoji from php webservice.
We using this Lib to send on php
https://github.com/duccio/ApnsPHP

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It looks like ApnsPHP does some special handling for Unicode. Try this:

$message->setText("Emoji: \\uD83D\\uDE04");

Apns expects 4-nibble \u escapes with a literal slash. To encode an emoji like U+1f604 you need to split it into two surrogate pair codepoints. I used the calculator here: http://www.russellcottrell.com/greek/utilities/SurrogatePairCalculator.htm

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I am trying to send push notifications with emoji using php. For sending push notifications, I started with this tutorial and have got the push notifications working.
For sending emoji in push notifications from my php server, I tried with following code snippets, but all I keep getting in the notification is the Unicode characters as it is.

Here are some code snippets I tried...

$body['aps'] = array('alert' => '\xe2\x98\x81 Check', 'sound' => 'default');
$body['aps'] = array('alert' => emoji_unified_to_softbank('\xe2\x98\x81 Check'), 'sound' => 'default');
$body['aps'] = array('alert' => emoji_softbank_to_unified('\xe2\x98\x81 Check'), 'sound' => 'default');

What I should be getting here is a cloud emoji followed by the string 'Check'. But what I get is simply the string, \xe2\x98\x81 Check. I saw that the message looks like this in the payload (I am using json_encode to convert the payload that is a php array, to json encoded format):

\\xe2\\x98\\x81 Check

The reason could be that the payload has to be converted from php array to json-encoded format.
$payload = json_encode($body);

What am I doing wrong here? Can somebody help me out with this?

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Hi dudu I try a lot of tutoriais, but the only step which works is change mysql encoding: Try this:
http://mathiasbynens.be/notes/mysql-utf8mb4

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Hi alex, I did not make use of mysql anywhere. The emoji code is hard-coded into the payload in php code.

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vikkun: it all depends on the library doing the push notifications. Apple wants to recieve JSON looking like this:

"body" : "\u2601"

so try the following PHP:

$body['aps'] = array('alert' => '\\u2601');

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iamcal: After referring your earlier comment, I am trying to use the unified emoji codes. But \\u2601 did not work either.
Here is my gist of what I am trying to do. It seems that since I am json encoding my payload, escaping the slash does not work.

// Create the payload body - emoji for smiling face with open mouth and smiling eyes
$body['aps'] = array('alert' => '\xf0\x9f\x98\x84', 'sound' => 'default');

// THIS IS WHAT SEEMS TO BE CAUSING THE EMOJI CODE TO APPEAR AS IT IS ON iPhone
$payload = json_encode($body);

Is there some workaround to this situation?

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Does emoji works with APNS Java code? If yes, could you please share code snippet ?

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