Splitting up 4 numbers

[master82]

In a form I have, a user inputs a 4 numerical value into a text box.

how would I go about splitting this into 4 variables?

[u]eg[/u]

[b]9172 [/b] entered

var1 = [b]9[/b]
var2 = [b]1[/b]
var3 = [b]7[/b]
var4 = [b]2[/b]

Can this be done - and if so, how?

Thanks in advance...

[ober]

Use substr(). http://www.php.net/manual/en/function.substr.php

[AndyB]

.. and on the page Ober cites, the example #1 code shows exactly how you could do what you ask.

[ober]

Yeah... you could use the curly brace method as well.

[obsidian]

...or, you could just treat the string as an array:
[code]
<?php
$string = "Test String";
for ($i = 0; $i < strlen($string); $i++) echo "{$string[$i]}<br />\n";
?>
[/code]

so, for your example, i'd do something like this:
[code]
<?php
$string = "9172";
for ($i = 1; $i <= strlen($string); $i++) {
eval("\$var$i = \$string[\$i - 1];");
}
?>
[/code]

good luck

[master82]

Sorry, I've tried to follow those examples but i still cant seem to split up the the variable $value into the four I need.

Any chance of putting an example on here using $value as the 4 digit value of 2468?

Sorry to ask - still trying to learn

[obsidian]

try my edited post above... that produces $var1, $var2, etc... containing the 4 digits

[master82]

It works! Thank you so much to everyone who helped!!!!!!

[obsidian]

one other note... some people on here would frown upon using eval() for something like this, so you could also do it like this:
[code]
<?php
$string = "9172";
for ($i = 1; $i <= strlen($string); $i++) {
${"var$i"} = $string[$i - 1];
}
?>
[/code]