[英]Capitalize first letter in <em>
$item = 'some <html> goes <div class="here"> and </div> can be placed <em> some words</em>, and then more </html> can exist';
如何仅将<em>...</em>
第一个单词的首字母大写?
You can use a regular expression , like this: 您可以使用正则表达式 ,如下所示:
function replaceStuff($matches){
return $matches[1].strtoupper($matches[2]);
}
$item=preg_replace_callback("/(<em[^>]*>[^\\w]*)(\\w)/i","replaceStuff",$item);
↪ Read more about using preg_replace_callback . ↪ 阅读有关使用preg_replace_callback的更多信息 。
Note: you can also do this using CSS; 注意:您也可以使用CSS进行此操作; to do this, you can use this code:
为此,您可以使用以下代码:
em:first-letter {
text-transform:capitalize;
}
↪ Read more about the text-transform property . ↪ 了解有关text-transform属性的更多信息 。
this? 这个?
function ucfirstword($str) {
$estr = explode(" ",$str);
$estr[0] = ucfirst($estr[0]);
return implode(" ",$estr);
}
...
echo "<em> ".ucfirstword("some words")."</em>";
if you need only this string, you can do like this 如果只需要这个字符串,可以这样
$item = 'some <html> goes <div class="here"> and </div> can be placed <em> ';
$item .= ucfirst("some words");
$item .= '</em>, and then more </html> can exist';
echo $item;
Try this: 尝试这个:
$item = 'some <html> goes <div class="here"> and </div> can be placed <em style="text-transform: uppercase">some</em>, and then more </html> can exist';
Maybe this helps you. 也许这对您有帮助。
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