Format a number with grouped thousands(please visit number_format in php):
function numberformat($str, $sep=',') { $result = ''; $str = $str.''; $c = 0; $num = strlen($str); for($i=$num-1; $i>=0; $i--) { if($c==3) { $result = $sep.$result; $result = $str[$i].$result; $c = 0; } else { $result = $str[$i].$result; } $c++; } return $result; } //OUT = 1,333,555 echo numberformat(1333555);
If you have a list of items (for example)......
Encrypt function return different value with each execute but decrypt function return input value. for example: first execute: encrypt('hello') => 'axxdfg34', decrypt('axxdfg34') return 'hello'...
This function check if an e-mail address is valid or not. function valid_email($email) { return preg_match('/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/', $email);...
This function check if an url is valid or not. function is_valid_url($url) { return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url); }...
