我正在尝试将字符串...
php,mysql,css
转换为... #php #mysql #css
What I have so far...
$hashTagStr = "php,mysql,css";
$hashTags = explode(",", $hashTagStr);
foreach($hashTags as $k => $v){
$hashTagsStr = '';
$hashTagsStr .= '#'.$v.' ';
}
echo $hashTagsStr;
?>
Problem is it only prints #css
array_map
。$hashTags = array_map(function($a){return "#$a";}, $hashTags);
:-P - gen_Eric