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PHP str_pad() Function

PHP String Reference Complete PHP String Reference

Definition and Usage

The str_pad() function pads a string to a new length.

Syntax

str_pad(string,length,pad_string,pad_type)

Parameter Description
string Required. Specifies the string to pad
length Required. Specifies the new string length. If this value is less than the original length of the string, nothing will be done
pad_string Optional. Specifies the string to use for padding. Default is whitespace
pad_type Optional. Specifies what side to pad the string.

Possible values:

  • STR_PAD_BOTH - Pad to both sides of the string. If not an even number, the right side gets the extra padding
  • STR_PAD_LEFT - Pad to the left side of the string
  • STR_PAD_RIGHT - Pad to the right side of the string. This is default

 

Example 1

<?php
$str = "Hello World";
echo str_pad($str,20,".");
?>

The output of the code above will be:

Hello World.........

Example 2

<?php
$str = "Hello World";
echo str_pad($str,20,".",STR_PAD_LEFT);
?>

The output of the code above will be:

.........Hello World

Example 3

<?php
$str = "Hello World";
echo str_pad($str,20,".:",STR_PAD_BOTH);
?>

The output of the code above will be:

.:.:Hello World.:.:.

PHP String Reference Complete PHP String Reference
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