Some common summary _php tutorials commonly used by PHP users when registering

PHP user registration is commonly used in a number of common summary, including detecting whether the user name format detection conforms to the user name format detection parameters whether the same detection parameters are Chinese and so on.

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/** * Check Detection class */ Class check{ /** * Isusername function: Check if user name format is met * $ARGV is the user name parameter to be detected * $REGEXP is the regular statement to be detected * Return value: Returns user name in accordance with user name format, not return False */ function Isusername ($ARGV) { $REGEXP =/^[a-za-z0-9_]{3,16}$/; consists of uppercase and lowercase letters with numbers and a length of 3-16 characters directly Return Preg_match ($REGEXP, $Argv)? $ARGV: false; } /** * Ismail function: Detect if the message format is correct * Return value: Is the correct message format to return the message, not return false */ function IsMail ($ARGV) { $REGEXP =/^[a-z0-9][a-z.0-9-_] @[a-z0-9_-] (?:. [ a-z]{0,3}. [A-z] {0,2}|. [A-z] {0,3}|. [A-z] {0,2}) $/i; Return Preg_match ($REGEXP, $Argv)? $ARGV: false; } /** * Issmae function: The value of the detection parameter is the same * Return value: Same return true, not same return false */ function Issame ($ArgvOne, $ArgvTwo, $Force =false) { Return $Force? $ArgvOne = = = $ArgvTwo: $ArgvOne = = $ArgvTwo; } /** * ISQQ function: Check whether the value of the parameter is in line with the QQ number format * Return value: Is the correct QQ number to return QQ number, not return false */ function isqq ($ARGV) { $REGEXP =/^[1-9][0-9]{5,11}$/; Return Preg_match ($REGEXP, $Argv)? $ARGV: false; } /** * IsMobile function: Check whether the value of the parameter is the correct Chinese mobile phone number format * Return value: Is the correct mobile number to return the phone number, not return false */ function IsMobile ($ARGV) { $RegExp =/^ (?: 13|15|18) [0-9]{9}$/; Return Preg_match ($REGEXP, $Argv)? $ARGV: false; } /** * Istel function: Check whether the value of the parameter is a positive fetch in China phone number format including area code * Return value: Is the correct phone number to return the phone number, not return false */ function Istel ($ARGV) { $REGEXP =/[0-9]{3,4}-[0-9]{7,8}$/; Return Preg_match ($REGEXP, $Argv)? $ARGV: false; } /** * Isnickname function: Detects whether the value of the parameter is the correct nickname format (Beta) * Return value: is the correct nickname format to return the nickname format, not return False */ function Isnickname ($ARGV) { $REGEXP = '/^s*$|^c:\con\con$| [%,* ' st<>& ' ()]|xa1xa1|xacxa3|^guest|^xd3xcexbfxcd|xb9x43xabxc8/is '; Copy from DZ Return Preg_match ($REGEXP, $Argv)? $ARGV: false; } /** * Ischinese function: Check whether the parameter is Chinese * Return value: Is the return parameter, not return False */ function Ischinese ($ARGV, $Encoding =utf8) { $REGEXP = $Encoding ==utf8?/^[x{4e00}-x{9fa5}] $/u:/^ ([x80-xff][x80-xff]) $/; Return Preg_match ($REGEXP, $Argv)? $ARGV: False; } } ?>

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