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Detailed explanation of usage examples of str_pad() function in php

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Release: 2023-03-12 15:26:01
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This article mainly introduces the usage of str_pad() function in php. It analyzes the function, parameter meaning and specific usage of str_pad() function in php in more detail. Friends in need can refer to the

example of this article describing the usage of the str_pad() function in php. Share it with everyone for your reference, the details are as follows:

str_pad() Function fills the string with the new length .

Syntax:

##str_pad(string<a href="//m.sbmmt.com/wiki/57.html" target="_blank">,ength,pad_string,pad_type);</a>

parameter list:

Parameters Description
string Required. Specifies the string to be filled.
length Required. Specifies the new string length. If the value is less than the original length of the string, no operation is performed.
pad_string Optional. Specifies the string used for padding. The default is blank.
pad_type Optional. Specifies which side of the string to fill. Possible values: STR_PAD_BOTH - Pad both sides of the string. If it's not an even number, the right side gets extra padding. STR_PAD_LEFT - pad the left side of the string. STR_PAD_RIGHT - Pad the right side of the string. default.

For example:

class test{
 private $var;
 public function construct($var){
 $this->var=$var;
 }
 public function test(){
 $result=str_pad($this->var,30,"*");
 return $result;
 }
}
$T=new test("hello");
$result=$T->test();
echo $result;
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output:

hello*************************
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