Email Address Checker
This function check if an e-mail address is valid or not.
function valid_email($email) { return preg_match('/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/', $email); } echo valid_email('test@test.com');
This function check if an e-mail address is valid or not.
function valid_email($email) { return preg_match('/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/', $email); } echo valid_email('test@test.com');
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] != "+" ) { ...
This way useful for create mixed arguments function. function foo() { $args = func_get_args(); print_r($args); } foo(1, 1256, 6, 17); //mixed ... -------------------Out-...
Quick extract numbers from a unicode string......
Encrypt function return different value with each execute but decrypt function return input value. for example: first execute: encrypt('hello') => 'axxdfg34', decrypt('axxdfg34') return 'hello'...