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);
Create directory if not exists. function createDir( $dir ) { if ( !is_dir( $dir ) ) { mkdir( $dir, 0777 ); return true; } return false; }...
The best way to determine the character count of a UTF8 string. function strlen_utf8( $str ) { return mb_strlen( $str, 'UTF-8' ); } //or... function strlen_utf8( $str ) { $c = 0;...
File size calculator function return file size format into kb, mb or gb. function file_size($size, $out = 'kb', $precision = 2) { switch ($out) { case 'kb': return round($...
This function check if an url is valid or not. function is_valid_url($url) { return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url); }...
