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Words limit
function words_limit( $str, $num, $append_str='' ){
$words = preg_split( '/[\s]+/', $str, -1, PREG_SPLIT_OFFSET_CAPTURE );
if( isset($words[$num][1]) ){
$str = substr( $str, 0, $words[$num][1] ).$append_str;
unset( $words, $num );
return trim( $str );
echo words_limit($yourString, 50,'...');
// or
echo words_limit($yourString, 50);
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