in packages/fbjs/src/unicode/UnicodeUtilsExtra.js [81:97]
function phpEscape(s) {
var result = '"';
for (let cp of UnicodeUtils.getCodePoints(s)) {
let special = specialEscape[cp];
if (special !== undefined) {
result += special;
} else if (cp >= 0x20 && cp <= 0x7e) {
result += String.fromCodePoint(cp);
} else if (cp <= 0xFFFF) {
result += '\\u{' + zeroPaddedHex(cp, 4) + '}';
} else {
result += '\\u{' + zeroPaddedHex(cp, 6) + '}';
}
}
result += '"';
return result;
}