Remove Arabic Diacritic

Try this code, it's works fine:

<?php    
$str = 'الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَ';

$unicode = [
            "~[\x{0600}-\x{061F}]~u",   
            "~[\x{063B}-\x{063F}]~u",   
            "~[\x{064B}-\x{065E}]~u",   
            "~[\x{066A}-\x{06FF}]~u",   
        ];

$str = preg_replace($unicode, "", $str);
echo $str;
?>

See: Arabic unicode

Thank's for: Hosein Shahrestani

The vowel diacritics in Arabic are combining characters, meaning that a simple search for these should suffice. There's no need to have a replace rule for every possible consonant with every possible vowel, which is a little tedious.

Here's a working example that outputs what you need:

header('Content-Type: text/html; charset=utf-8', true);
$string = 'الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَ';

$remove = array('ِ', 'ُ', 'ٓ', 'ٰ', 'ْ', 'ٌ', 'ٍ', 'ً', 'ّ', 'َ');
$string = str_replace($remove, '', $string);

echo $string; // outputs الحمد لله رب العالمين

What's important here is the $remove array. It looks weird because there's a combining character between the ' quotes, so it modifies one of those single quotes. This might need saving in the same character encoding as your text is.

try this:

$string = 'الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَ';
$string = preg_replace("~[\x{064B}-\x{065B}]~u", "", $string);
echo $string; // outputs الحمد لله رب العالمين