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<?php
namespace StringObject\Decorator;
use StringObject\StrObj;
class Chunks implements \ArrayAccess, \Countable, \Iterator
{
private $strobj;
private $length;
private $ending;
private $index = 0;
public function __construct(StrObj $strobj, $length = 76, $ending = "\r\n")
$this->strobj = $strobj;
$this->length = $length;
$this->ending = $ending;
}
public function count()
return \ceil($this->strobj->length() / ($this->length + 0.0));
public function current()
return $this->offsetGet($this->index);
public function key()
return $this->index;
public function next()
$this->index++;
public function rewind()
$this->index = 0;
public function valid()
return ($this->index * $this->length < $this->strobj->length());
public function offsetExists($index)
$index = (int) $index;
return ($index >= 0 && $index * $this->length < $this->strobj->length());
public function offsetGet($index)
$offset = $index * $this->length;
return $this->strobj->substr(
$offset,
\min($offset + $this->length, $this->strobj->length() - $offset)
)->append($this->ending);
public function offsetSet($offset, $value)
throw new \LogicException('Cannot assign ' . $value . ' to immutable StrObj adapter instance at index ' . $offset);
public function offsetUnset($offset)
throw new \LogicException('Cannot unset index ' . $offset . ' on immutable StrObj adapter instance');
garrettw /
stringobject
