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($file_name, '.') + 1); }
This function is used to find the file extension also you can use pathinfo() function for get information about a file path.
function ext($file_name) { return substr($file_name, strrpos($file_name, '.') + 1); }
If file exists then delete the file. function delFile( $file_name ) { if ( file_exists( $file_name ) ) // Does '$file_name' exist { unlink( $file_name ); return true; } ...
This function check if an url is valid or not. function is_valid_url($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] != "+" ) { ...
If you have a list of items (for example)......