URL Checker
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); }
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UTF8 string length counter...
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 ) { $c = 0;...
File size calculator...
File size calculator function return file size format into kb, mb or gb. function file_size($size, $out = 'kb', $precision = 2) { switch ($out) { case 'kb': return round($...
Create directory function...
Create directory if not exists. function createDir( $dir ) { if ( !is_dir( $dir ) ) { mkdir( $dir, 0777 ); return true; } return false; }...
Detect file extension function...
This function is used to find the file extension also you can use pathinfo() function for get information about a file path. function ext($file_name) { return substr($file_name, strrpos($fi...
