plz read this code to me

[calmchess]

could sombody plz read this code to me i know what it does as a whole but each indvidual part is a mystry especilly .=

 

 

foreach ($_POST as $key => $value){      $postvals .= $key . " : " .$value .":";    } 

[o3d]

$_POST is an indexed and associative array (whichever way you want to use it).

 

The foreach command basically loops through all items (on the same level). In each iteration the associative name will be placed in $key and the value for $key will be placed in $value.

 

e.g. 'NAME'=>'John Doa'

$key = 'Name' and $value = 'John Doa'

 

Then for each iteration the 'variable' name and value will be appended with $postvals seperated by a colon.

 

Hope that helps?

[Matt79]

I believe the .= means that you are taking what is already in $postvals and adding $key to it.

Similar to setting a variable but adding to it instead of completely redoing it.

Example:

<?php
$postvals="Hello";
$key="world";

$postvals.=$key;

echo $postvals; // should output Helloworld
?>

[KevinM1]

. is the string concatenation operator.  .= is a shorthand operator.  The following statements are equivalent:

 

$var1 = $var1 . " and something added at the end.";
$var1 .= " and something added at the end.";

[calmchess]

thanks