Detailed explanation of PHP implementation of explore() function_PHP tutorial

copy code code below:

/**
* Detailed explanation of PHP implementation of explore() function
*/
$str = ',1,2,3,4,321321,aaa,bbb';
function myExplode($seg,$str,$limit=0){
   $_ret = array(0=>'') ;
   $len = strlen($str);
   $slen = strlen($seg);
   $_limit = 0;
   for($i=0; $i<$len; $ i++){
      if(substr($str,$i,$slen) == $seg ){
          $_limit++;
          $i += $slen-1;
          continue;
      }else{
          $_ret[$_limit] .= $str[$i];
      }
   }
   if($limit < 0 )
      $_ret = array_slice($_ret, 0 , $limit );
   else{
      $_ret = $limit > ;= count($_right) ? $_ret :  array_merge(array_slice($_ret, 0 , $limit-1 ), array(implode( $seg , array_slice($_ret,$limit-1))));
   }
   return $_ret;
}
var_dump(myExplode("4",$str));
echo "
";
var_dump(explode("4",$str));
echo "
";
?>

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http://www.bkjia.com/PHPjc/327728.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/327728.htmlTechArticle copy code code below: ?php /*** Detailed explanation of PHP's implementation of explore() function*/ $str = ',1,2, 3,4,321321,yyyy,yyyy'; function myExplode($seg,$str,$limit=0){ $_ret = array(0=''); $len = s...