<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>php 3 ex</title>
</head>
<body>
<?php
// strlen() return length of string
// str_word_count() return character count of string
// strrev() return reverse of string
// strpos() search text from a string, return position of char. if not found return false
// str_replace() replace character in string
echo strlen("toro tero"); // 9
echo str_word_count("toro tero mgi"); //3
echo strrev("gokil"); //likog
echo strpos("hello guys im a developer", "develop"); //16
echo str_replace ("here","over","hey you there please come here"); //hey you tover please come over
?>
</body>
</html>
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