Phpstr_pad () fills the string into a string of the specified length

Str_pad () is used to populate a string with a specified length. /**
* Filling a string with a specified length (multi-byte security)
* @ Param string $ str specifies the string to be filled in.
* @ Param int $ len specifies the length of the string to be filled. if the value is negative or smaller than the length of the string, it is not filled.
* @ Param string $ pad_str string to be filled
* @ Param int $ pad_type specifies the padding direction STR_PAD_RIGHT, STR_PAD_LEFT, or STR_PAD_BOTH.
* @ Return string
*/

// String str_pad (string $ str, int $ len, string $ pad_str, string $ pad_type );

Echo str_pad ($ result2 [0], 6, "0", STR_PAD_LEFT );
The code is as follows:
$ Input = "Alien ";
Echo str_pad ($ input, 10); // produces "Alien"
Echo str_pad ($ input, 10, "-=", STR_PAD_LEFT); // produces "-=-Alien"
Echo str_pad ($ input, 10, "_", STR_PAD_BOTH); // produces "_ Alien ___"
Echo str_pad ($ input, 6, "___"); // produces "Alien _"
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