<?php
$content = "ALorem ipsum dolor sit amet nunc venenatis in, accumsan eget, accumsan orci. Nunc eleifend in, accumsan eget, porta auctor. Maecenas eget sapien massa dui a nunc. Maecenas eleifend eget, tincidunt dictum sed, pretium convallis. Integer a blandit sed, congue dolor. Donec sodales neque ultrices fringilla. In nec tellus. Integer auctor neque. Vestibulum enim. Aliquam interdum at, vulputate faucibus. Nulla dignissim porttitor, lacus euismod orci ac dolor. Integer hendrerit sed, ornare nisl, tristique commodo. Curabitur magna felis adipiscing elit. Mauris eget luctus nisl. Etiam ut nibh porta sapien massa in sollicitudin dignissim, sapien dui nulla, egestas vitae, lacinia lacus. In nec cursus vitae, mauris. Lorem ipsum scelerisque lorem urna sem rutrum pede sit amet neque gravida feugiat lectus felis, feugiat dui, eu fermentum wisi, eget quam sagittis venenatis. Sed faucibus, tortor lacus malesuada fames ac turpis velit, rhoncus eget, sagittis malesuada. Donec libero nec magna. Praesent volutpat quis, interdum eu, semper lobortis. Maecenas sapien magna fringilla orci. Cum sociis natoque penatibus et ultrices mi. Aenean mollis ac, fringilla eget, tortor. Sed et commodo et, elementum eu, sem. Sed mattis. Aliquam dolor leo semper risus. Suspendisse vitae arcu sed libero dui, ultrices condimentum et, accumsan faucibus. Maecenas vehicula, fringilla neque, blandit lectus. Praesent a nisl. Nam eu convallis non, fringilla sollicitudin, odio vitae ante. Proin justo. Donec in faucibus vestibulum. Pellentesque habitant morbi tristique bibendum a, fermentum odio. Donec vitae turpis. Pellentesque habitant morbi tristique luctus a, diam. Duis ac erat. Nulla consectetuer, tellus sit amet, consectetuer adipiscing elit. Aenean sed libero. Curabitur eget elit. Sed nonummy dui lectus, pellentesque at, molestie tincidunt. Nulla hendrerit purus lacinia porta. Sed ut lorem. Sed. Lorem ipsum dolor sit amet nunc venenatis in, accumsan eget, accumsan orci. Nunc eleifend in, accumsan eget, porta auctor. Maecenas eget sapien massa dui a nunc. Maecenas eleifend eget, tincidunt dictum sed, pretium convallis. Integer a blandit sed, congue dolor. Donec sodales neque ultrices fringilla. In nec tellus. Integer auctor neque. Vestibulum enim. Aliquam interdum at, vulputate faucibus. Nulla dignissim porttitor, lacus euismod orci ac dolor. Integer hendrerit sed, ornare nisl, tristique commodo. Curabitur magna felis adipiscing elit. Mauris eget luctus nisl. Etiam ut nibh porta sapien massa in sollicitudin dignissim, sapien dui nulla, egestas vitae, lacinia lacus. In nec cursus vitae, mauris. Lorem ipsum scelerisque lorem urna sem rutrum pede sit amet neque gravida feugiat lectus felis, feugiat dui, eu fermentum wisi, eget quam sagittis venenatis. Sed faucibus, tortor lacus malesuada fames ac turpis velit, rhoncus eget, sagittis malesuada. Donec libero nec magna. Praesent volutpat quis, interdum eu, semper lobortis. Maecenas sapien magna fringilla orci. Cum sociis natoque penatibus et ultrices mi. Aenean mollis ac, fringilla eget, tortor. Sed et commodo et, elementum eu, sem. Sed mattis. Aliquam dolor leo semper risus. Suspendisse vitae arcu sed libero dui, ultrices condimentum et, accumsan faucibus. Maecenas vehicula, fringilla neque, blandit lectus. Praesent a nisl. Nam eu convallis non, fringilla sollicitudin, odio vitae ante. Proin justo. Donec in faucibus vestibulum. Pellentesque habitant morbi tristique bibendum a, fermentum odio. Donec vitae turpis. Pellentesque habitant morbi tristique luctus a, diam. Duis ac erat. Nulla consectetuer, tellus sit amet, consectetuer adipa";
$size=strlen($content);
$z=0;
$temp = Array();
function cutString($string,$begin,$len) {
 
if(strlen($string)>$len){
$string=preg_replace('/s+?(S+)?$/','',substr($string,$begin,$len));
 
}
return $string;
}
for($i = (int) 0; $i<$size; $i++)
{
 
$temp[]=cutString($content,$z, 900);
 
$z+=900;
 
 
}
 
$temp=array_filter($temp);
var_dump($temp);

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