ctype函数
PHP ctype_punct()函数 (PHP ctype_punct() function)
ctype_punct() function is a character type (CType) function in PHP, it is used to check whether a given string contains all punctuation characters (can be considered as special characters) or not.
ctype_punct()函数是PHP中的字符类型(CType)函数，用于检查给定的字符串是否包含所有标点字符(可以视为特殊字符)。
It returns true, if all characters of the given strings are punctuation characters, else it returns false.
它返回true，如果给定字符串的所有字符是标点字符，否则返回FALSE。
Syntax:
句法：
ctype_punct(string) : bool Example:
例：
Input: "@!~#" Output: true Input: "@! #~" Output: false Input: "[email protected]!" Output: false PHP code:
PHP代码：
<?php $str = "@!~#"; if(ctype_punct($str)) echo ("$str contains all punctuation characters.\n"); else echo ("$str does not contain all punctuation characters.\n"); $str = "@! #~"; //space is there if(ctype_punct($str)) echo ("$str contains all punctuation characters.\n"); else echo ("$str does not contain all punctuation characters.\n"); $str = "[email protected]!"; //alphabets are there if(ctype_punct($str)) echo ("$str contains all punctuation characters.\n"); else echo ("$str does not contain all punctuation characters.\n"); $str = "@!123"; //digits are there if(ctype_punct($str)) echo ("$str contains all punctuation characters.\n"); else echo ("$str does not contain all punctuation characters.\n"); ?> Output
输出量
@!~# contains all punctuation characters. @! #~ does not contain all punctuation characters. [email protected]! does not contain all punctuation characters. @!123 does not contain all punctuation characters. 翻译自: https://www.includehelp.com/php/ctype_punct-function-with-example.aspx
ctype函数
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