Posts Tagged ‘substr’

Javascript:How to convert string to ASCII number sequence in JavaScript

Monday, June 30th, 2008

<script type=”text/javascript”>
var str = “Hello World!”
var res = “”
for (i=0;i < str.length; i++) {
res += str.charCodeAt(i) + ‘,’;
}
res = res.substr(0, res.length - 1);
//Result: 72,101,108,108,111,32,87,111,114,108,100,33
document.write(res);
</script>

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PHP:get/retrieve file basename,extension,path,dirname

Monday, June 30th, 2008

$file = ‘/dir/some.gif’;
var_dump( pathinfo( $file ) );
Result:
array(3) {
["dirname"]=>
string(4) “/dir”
["basename"]=>
string(8) “some.gif”
["extension"]=>
string(3) “gif”
}
// or
$file_ext = substr($file, strrpos($file,”.”)+1);

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