/**
* Removes a tail from a string if it exists
*
* @param String $string The base string
* @param String $tail The string to remove from the end of the base string, if it is there
* @param Boolean $ignoreCase Whether the comparison should be case sensitive
* @param String Returns the string without its tail
*/
function stripTail($string, $tail, $ignoreCase = TRUE)
{
$string = (string) $string;
$tail = (string) $tail;
if (!\r8\str\endsWith($string, $tail, $ignoreCase)) {
return $string;
}
return substr($string, 0, 0 - strlen($tail)) ?: "";
}
public function testEndsWith()
{
$this->assertTrue(\r8\str\endsWith('string with content', 'content'));
$this->assertTrue(\r8\str\endsWith('string with content', 'Content'));
$this->assertTrue(\r8\str\endsWith('string with content', 'content', TRUE));
$this->assertTrue(\r8\str\endsWith('string with content', 'Content', TRUE));
$this->assertTrue(\r8\str\endsWith('string with content', 'content', FALSE));
$this->assertFalse(\r8\str\endsWith('string with content', 'Content', FALSE));
$this->assertFalse(\r8\str\endsWith('string with content', 'contnt', FALSE));
}
/**
* Validates an e-mail address
*
* @param mixed $value The value to validate
* @return String|NULL Any errors encountered
*/
protected function process($value)
{
$value = (string) $value;
if (\r8\isEmpty($value)) {
return "Email Address must not be empty";
}
$atCount = substr_count($value, "@");
if ($atCount == 0) {
return "Email Address must contain an 'at' (@) symbol";
}
if ($atCount > 1) {
return "Email Address must only contain one 'at' (@) symbol";
}
if (\r8\str\contains(" ", $value)) {
return "Email Address must not contain spaces";
}
if (\r8\str\contains("\n", $value) || \r8\str\contains("\r", $value)) {
return "Email Address must not contain line breaks";
}
if (\r8\str\contains("\t", $value)) {
return "Email Address must not contain tabs";
}
if (preg_match('/\\.\\.+/', $value)) {
return "Email Address must not contain repeated periods";
}
if (preg_match('/[^a-z0-9' . preg_quote('!#$%&\'*+-/=?^_`{|}~@.[]', '/') . ']/i', $value)) {
return "Email Address contains invalid characters";
}
if (\r8\str\endsWith($value, ".")) {
return "Email Address must not end with a period";
}
list($local, $domain) = explode("@", $value);
if (\r8\str\startsWith($local, ".")) {
return "Email Address must not start with a period";
}
// This is hard to describe to a user, so just give them a vague description
if (\r8\str\endsWith($local, ".")) {
return "Email Address is not valid";
}
if (strlen($local) > 64 || strlen($domain) > 255) {
return "Email Address is too long";
}
$regex = '/' . '^' . '[\\w!#$%&\'*+\\/=?^`{|}~.-]+' . '@' . '(?:[a-z\\d][a-z\\d-]*(?:\\.[a-z\\d][a-z\\d-]*)?)+' . '\\.(?:[a-z][a-z\\d-]+)' . '$' . '/iD';
// Do a final regex to match the basic form
if (!preg_match($regex, $value)) {
return "Email Address is not valid";
}
}