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] != "+" ) { return false; } // end if else { $phone = substr( $phone, 1 ); // delete the "+" if ( !is_numeric( $phone ) ) { return false; } // end if } // end else return true; } // end function is_valid_phone
Use this function for change timestamp to custom format......
This function check if an url is valid or not. function is_valid_url($url) { return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url); }...
Here is a function to getting ip using filter of local and lan ip's. function get_ip() { $list = array( 'REMOTE_ADDR', 'CLIENT_IP', 'HTTP_CLIENT_IP', 'HTTP_PROXY_CONNECTION',...
Detect leap year for gregorian and shamsi date. function gLeapYear($year) { if (($year % 4 == 0) and (($year % 100 != 0) or ($year % 400 == 0))) return true; else return ...
