PHP/String/sprintf

integer displayed as a dollar amount set to two decimal places

   <source lang="html4strict">

<?php

   $thenumber = 9.99 * 1.07; 
   echo "$" . $thenumber . "
"; 
   echo "$" . sprintf ("%.2f", $thenumber); 

?>

 </source>
   
  

Integral that the value be displayed as a dollar amount set to two decimal places:

   <source lang="html4strict">

<?php

 $thenumber = 9.99 * 1.07;
 echo "$" . $thenumber . "
"; 
 echo "$" . sprintf ("%.2f", $thenumber); 

?>

 </source>
   
  

sprintf print values to a string

   <source lang="html4strict">

<?php $cost = sprintf("$%01.2f", 43.2); echo $cost; ?>

 </source>
   
  

sprintf()"s built-in hex-to-decimal conversion with the %x format character

   <source lang="html4strict">

function build_color($red, $green, $blue) {

   return sprintf("#%02x%02x%02x", $red, $green, $blue);

}

 </source>
   
  

Storing a Formatted String

   <source lang="html4strict">

<?php $dosh = sprintf("%.2f", 2.334454); print "$dosh dollars"; ?>

 </source>
   
  

Using a sprintf()-style message catalog

   <source lang="html4strict">

<?php $LANG = "es_US"; print sprintf(msg("I am X years old."),12); ?>

 </source>
   
  

Using sprintf() to ensure that one digit hex numbers (like 0) get padded with a leading 0.

   <source lang="html4strict">

function build_color($red, $green, $blue) {

   $redhex   = dechex($red);
   $greenhex = dechex($green);
   $bluehex  = dechex($blue);
   return sprintf("#%02s%02s%02s", $redhex, $greenhex, $bluehex);

}

 </source>
   
  

Using sprintf with a variable

   <source lang="html4strict">

<?php $total = sprintf("Please pay $%.2f. ", 42.4242 ); echo $total; ?>

 </source>
   
  

Wrap these in a couple of functions and surround the joined array elements with parentheses

   <source lang="html4strict">

<?php function array_values_string($arr) {

   return sprintf("(%s)", implode(", ", array_values($arr))); 

} function array_keys_string($arr){

   return sprintf("(%s)", implode(", ", array_key($arr))); 

} $countries_languages = array("Germany" => "German", "France" => "French", "Spain" => "Spanish"); print "Countries: "; print array_keys_string($countries_languages); print "
Languages: "; print array_values_string($countries_languages); ?>

 </source>