PHP number_format() Function

PHP number_format() Function

The number_format() function in PHP formats a number with grouped thousands. This function accepts one, two, or four parameters (not three):

Syntax


number_format ( float $number [, int $decimals ] )

number_format ( float $number [, int $decimals ] )


number_format ( float $number , int $decimals  , string $dec_point, string$thousands_sep )

number_format ( float $number , int $decimals , string $dec_point, string$thousands_sep )

Parameter

number(required)- This parameter represents the number to be formatted. If no parameters are set, the number will be formatted without decimals and with comma (,) as the thousands separator.

decimals(optional)- This parameter specifies how many decimals. If this parameter is set, the number will be formatted with a dot (.) as decimal point.

decimalpoint(optional)- This parameter specifies what string to use for decimal point.

separator (optional)- This parameter specifies what string to use for thousands separator. Only the first character of separator is used.

Returns

This function returns a formatted version of number.

Example 1


<?php
// formating a number with grouped thousands.
echo number_format("2000000")."\n";
// formats a number with grouped thousands with 2.
echo number_format("2000000",2)."\n";
// the number will be formatted with a dot (.) as decimal point.
echo number_format("2000000",2,",",".");
?>

<?php

// formating a number with grouped thousands.

echo number_format("2000000")."\n";

// formats a number with grouped thousands with 2.

echo number_format("2000000",2)."\n";

// the number will be formatted with a dot (.) as decimal point.

echo number_format("2000000",2,",",".");

Output


2,000,000
2,000,000.00
2.000.000,00

2,000,000

2,000,000.00

2.000.000,00

Example 2


<?php 
// initializing the number
$number=8919.9;  
// printing the number
echo "Your number:".$number; 
//formats a number with grouped thousands. 
echo "\n"."After using 'number_format()' function :\nFormatted number: ".number_format($number);  
?>

<?php

// initializing the number

$number=8919.9;

// printing the number

echo "Your number:".$number;

//formats a number with grouped thousands.

echo "\n"."After using 'number_format()' function :\nFormatted number: ".number_format($number);

Output


Your number:8919.9
After using 'number_format()' function :
Formatted number: 8,920

Your number:8919.9

After using 'number_format()' function :

Formatted number: 8,920

Example 3


<?php  
//initializing the number
$n=100000000;  
echo "The number:".$n;  
echo "\n"."The formated number :".number_format($n,4);  // will pass 4 zeros after the decimal point
?>

<?php

//initializing the number

$n=100000000;

echo "The number:".$n;

echo "\n"."The formated number :".number_format($n,4); // will pass 4 zeros after the decimal point

Output


The number:100000000
The formated number :100,000,000.0000

The number:100000000

The formated number :100,000,000.0000

Example 4


<?php  
 //initializing the number
 $n=100000000;  
 echo "The number:".$n;  
 // will return 100#000#000.0000   
 echo "\n"."The formated number :".number_format($n,4,".","#");
 ?>

<?php

//initializing the number

$n=100000000;

echo "The number:".$n;

// will return 100#000#000.0000

echo "\n"."The formated number :".number_format($n,4,".","#");

Output


The number:100000000
The formated number :100#000#000.0000

The number:100000000

The formated number :100#000#000.0000

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