函数原型
is_email( string $email, bool $deprecated = false ): string|false
函数描述
Verifies that an email is valid.
是否弃用
未弃用
函数参数
-
$email
string
Required - Email address to verify.
-
$deprecated
bool
Optional - Deprecated.
Default:
false
函数返回值
string|false Valid email address on success, false on failure.
函数位置
File: wp-includes/formatting.php.
函数源码
if ( ! preg_match('/^[a-z0-9-]+$/i', $sub ) ) {
/** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'is_email', false, $email, 'sub_invalid_chars' );
}源码链接
变更日志
| Version | Description |
|---|---|
| 0.71 | Introduced. |
