Convert Eastern-Arabic, Bengali, Devanagari, Myanmar, Persian numerals to Western-Arabic (ASCII)

convert-numerals.php

<?php
function normalizeNumerals($string) {
	$numerals_ascii = range(0, 9); // Western Arabic
	$numerals_arabic = ['٠', '١', '٢', '٣', '٤', '٥', '٦', '٧', '٨', '٩']; // Eastern Arabic
	$numerals_bengali = ['০', '১', '২', '৩', '৪', '৫', '৬', '৭', '৮', '৯']; // Bengali
	$numerals_devanagari = ['०', '१', '२', '३', '४', '५', '६', '७', '८', '९']; // Devanagari (Nagari)
	$numerals_myanmar = ['၀', '၁', '၂', '၃', '၄', '၅', '၆', '၇', '၈', '၉']; // Myanmar (Burmese)
	$numerals_persian = ['۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹']; // Persian

	$string = str_replace($numerals_arabic, $numerals_ascii, $string);
	$string = str_replace($numerals_bengali, $numerals_ascii, $string);
	$string = str_replace($numerals_devanagari, $numerals_ascii, $string);
	$string = str_replace($numerals_myanmar, $numerals_ascii, $string);
	$string = str_replace($numerals_persian, $numerals_ascii, $string);

	return $string;
}

Nginx version:

location ~ '(?:\xD9[\xA0-\xA9]|\xDB[\xB0-\xB9]|\xE0\xA5[\xA6-\xAF]|\xE0\xA7[\xA6-\xAF]|\xE1\x81[\x80-\x89])' {
	rewrite '^(.*)(?:\xD9\xA0|\xDB\xB0|\xE0\xA5\xA6|\xE0\xA7\xA6|\xE1\x81\x80)(.*)$' $10$2;
	rewrite '^(.*)(?:\xD9\xA1|\xDB\xB1|\xE0\xA5\xA7|\xE0\xA7\xA7|\xE1\x81\x81)(.*)$' $11$2;
	rewrite '^(.*)(?:\xD9\xA2|\xDB\xB2|\xE0\xA5\xA8|\xE0\xA7\xA8|\xE1\x81\x82)(.*)$' $12$2;
	rewrite '^(.*)(?:\xD9\xA3|\xDB\xB3|\xE0\xA5\xA9|\xE0\xA7\xA9|\xE1\x81\x83)(.*)$' $13$2;
	rewrite '^(.*)(?:\xD9\xA4|\xDB\xB4|\xE0\xA5\xAA|\xE0\xA7\xAA|\xE1\x81\x84)(.*)$' $14$2;
	rewrite '^(.*)(?:\xD9\xA5|\xDB\xB5|\xE0\xA5\xAB|\xE0\xA7\xAB|\xE1\x81\x85)(.*)$' $15$2;
	rewrite '^(.*)(?:\xD9\xA6|\xDB\xB6|\xE0\xA5\xAC|\xE0\xA7\xAC|\xE1\x81\x86)(.*)$' $16$2;
	rewrite '^(.*)(?:\xD9\xA7|\xDB\xB7|\xE0\xA5\xAD|\xE0\xA7\xAD|\xE1\x81\x87)(.*)$' $17$2;
	rewrite '^(.*)(?:\xD9\xA8|\xDB\xB8|\xE0\xA5\xAE|\xE0\xA7\xAE|\xE1\x81\x88)(.*)$' $18$2;
	rewrite '^(.*)(?:\xD9\xA9|\xDB\xB9|\xE0\xA5\xAF|\xE0\xA7\xAF|\xE1\x81\x89)(.*)$' $19$2;
	rewrite ^ $uri redirect;
}