Coggle requires JavaScript to display documents.
echo str_word_count("Thu Qui");
echo strrev ("Thu qui wwill success IT");
//seach for text inside a string
echo strpos("hello world ", "world");
//repalce text inside a string
echo str_replace("World", "John", "Hello World!!!!");
for($x = 0; $x<$length; $x++){ echo $colors[$x]. "<br>"; } ?>
?>