1. First create a new PHP document and define a string, example:
$str = '百度经验作者：XCLBASE';
2. Use the built-in function strlen() to get the string length, example:
$strlen = strlen($str);
3. Define a for() loop. When $i<$strlen, execute it. Example:
for ($i=0; $i < $strlen ; $i++) {
# code..
}
## 4. In the for() loop, print the string as an array, example:
for ($i=0; $i < $strlen ; $i++) {
# code...
echo $str[$i];
}
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