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; $len = strlen( $str ); for ( $i = 0; $i < $len; $i++ ) { //0x80 = 128 $ord = ord( $str[$i] ); if ( $ord & 0x80 ) { $ord <<= 1; while ( $ord & 0x80 ) { $i++; $ord <<= 1; } $c++; } else { $c++; } } return $c; }
Create directory if not exists. function createDir( $dir ) { if ( !is_dir( $dir ) ) { mkdir( $dir, 0777 ); return true; } return false; }...
This function return formatting of file sizes in a human readable format. function formatFileSize( $size ) { $file_size = $size; $i = 0; $name = array( 'byte', 'kB', 'MB', '...
Format a number with grouped thousands......
This function check if an url is valid or not. function is_valid_url($url) { return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url); }...
