w3schools
编辑器
运行结果尺寸:
625 x 591
<!DOCTYPE html> <html> <body> <?php print_r(str_word_count("Hello world!",1)); ?> </body> </html>
x
<!DOCTYPE html>
<html>
<body>
<?php
print_r(str_word_count("Hello world!",1));
?>
</body>
</html>
Array ( [0] => Hello [1] => world )