PHP str_pad() Function Usage and Example

　 　 PHP String Character String Functions Manual

　 　 The str_pad() function is used to pad a string to a specified length using another string.

Syntax

str_pad(string,length,pad_string,pad_type)

Definition and Usage

It is used to pad the string to a new length. The function returns the string after being padded from the left end, right end, or both ends to the specified length. If the optional pad_string parameter is not specified, the string will be filled with space characters, otherwise it will be filled with pad_string to the specified length.

Return Value

It returns the padded string

Parameter

Online Example

Try the following example, using str_pad to pad strings:

<?php
　　　
　　　//Use: to pad the string on the right side
　　　$input = "w3
　　　echo str_pad($input,18,":");　
　　　
　　　echo '<br>';
　　　　//Pad the string on the left side
　　　$str = "w3
　　　echo str_pad($str,20,"!",STR_PAD_LEFT);
　　　
　　　echo '<br>';
　　　　//Pad the string on both sides
　　　$str = "wwww.w3
　　　echo str_pad($str,20,"-",STR_PAD_BOTH);
?>

Output Result

w3codebox::::::::::::
!!!!!!!!!!!oldtoolbag.com
---wwww.oldtoolbag.com---

PHP String Character String Functions Manual