note 55610 added to function.str-split
| From: | Jason | Date: | Mon, 08 Aug 2005 20:24:56 +0000 |
| Subject: | note 55610 added to function.str-split | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-93272@lists.php.net to get a copy of this message | ||
My version of str_split() for PHP < 5:
<?php
if ( !function_exists('str_split') )
{
function str_split($string, $split_length = 1)
{
$array = array();
$strlen = strlen($string);
// Original function returns FALSE if $split_length is < 1
if ( $split_length < 1 )
{
return false;
}
// If the split length will let the string fit in one array key, don't even bother
if ( $split_length >= $strlen )
{
return array($string);
}
for ( $i = 0, $key = 0, $count = 0; $i < $strlen; $i++, $count++ )
{
// Count keeps track of when we've reached the split length
if ( $count >= $split_length )
{
$count = 0;
// When the split length is reached, use the next key
$key++;
}
// Protection against E_NOTICE undefined offset
// isset() is faster than array_key_exists()
if ( isset($array[$key]) )
{
$array[$key] .= $string{$i};
}
else
{
$array[$key] = $string{$i};
}
}
return $array;
}
}
?>
----
Manual Page -- http://www.php.net/manual/en/function.str-split.php
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