r - Text alignment in label right put specify position left - Stack Overflow
PHP Strings. Outline o String Variables In PHP o The Most Used Functions In PHP o Arrays Functions o Transforming String o Comparing Strings o Searching. - ppt download
str_pad will result in a new line · Issue #544 · mike42/escpos-php · GitHub
String pad to the column in R - DataScience Made Simple
Cara menggunakan php str_pad leading zeros
r - Pad with leading zeros to common width - Stack Overflow
Add Space to the column in R - DataScience Made Simple