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', $url); }
This function check if an url is valid or not.
function is_valid_url($url) { return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url); }
Chek if a phone numbers is valid, according to its syntax (should be: "+390523599314"). True if it's valid, False otherwise function is_valid_phone( $phone ) { if ( $phone[0] != "+" ) { ...
Detect leap year for gregorian and shamsi date. function gLeapYear($year) { if (($year % 4 == 0) and (($year % 100 != 0) or ($year % 400 == 0))) return true; else return ...
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;...