In PHP programming, the str_pad function is a very useful function. It can be used to pad specified characters on the left, right or both sides of a string to meet the string length requirements. This article will introduce the usage of str_pad function in detail and provide corresponding source code examples.
The syntax of str_pad function is as follows:
str_pad(string $input, int $pad_length, string $pad_string = " ", int $pad_type = STR_PAD_RIGHT