When php trim cannot handle Chinese half-width rounded corners and other spaces, trim enabler ltrim php php trim removes spaces.

Some Chinese half-width, rounded spaces or paragraph breaks are displayed as blank. Can be processed with regular expressions

<code>preg_replace("/(<span>\s</span>|<span>\&</span>nbsp<span>\;</span>|　|<span>\xc</span>2<span>\xa</span>0)/","",<span>$content);</span></code>

').addClass('pre-numbering').hide(); $(this).addClass('has-numbering').parent().append($numbering); for (i = 1; i ').text(i)); }; $numbering.fadeIn(1700); }); });

The above introduces the content of trim and php when php trim cannot handle Chinese half-width rounded corners and other spaces. I hope it will be helpful to friends who are interested in PHP tutorials.