PHP: how to split a string with a delimiter -

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I have this string that I would like to divide. I should start with this string 1060 and retain the string when I use preg_split (), it removes the string.

My code is: 

  $ array = preg_split ("/ 1060 [\ s] * *" / $, $ str);   
   
   
   
 Positive style:  
  $ array = preg_split ("/ (? = 1060 \ s) /", $ str) div class = "post-text" itemprop = "text"> 
;  
 
  (? = 1060 \ s)  is a positive form - it claims to have regex ( 1060 \ s ) in it Can be matched, but it does not match. Therefore, it will match an empty string before the match and will correctly divide the text.

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