ctype_punct

(PHP 4 >= 4.0.4, PHP 5)

ctype_punct — Check for any printable character which is not whitespace or an alphanumeric character

说明

bool ctype_punct ( string $text )

Checks if all of the characters in the provided string, text , are punctuation character.

参数

text: The tested string.

返回值

Returns TRUE if every character in text is printable, but neither letter, digit or blank, FALSE otherwise.

范例

Example#1 A ctype_punct() example


<?php
$strings = array('ABasdk!@!$#', '!@ # $', '*&$()');
foreach ($strings as $testcase) {
    if (ctype_punct($testcase)) {
        echo "The string $testcase consists of all punctuation.\n";
    } else {
        echo "The string $testcase does not consist of all punctuation.\n";
    }
}
?>

上例将输出：

The string ABasdk!@!$# does not consist of all punctuation.
The string !@ # $ does not consist of all punctuation.
The string *&$() consists of all punctuation.


	PHP5中文手册 ctype_print ctype_space ctype PHP Manual ctype_punct (PHP 4 >= 4.0.4, PHP 5) ctype_punct — Check for any printable character which is not whitespace or an alphanumeric character 说明 bool ctype_punct ( string `$text` ) Checks if all of the characters in the provided string, `text` , are punctuation character. 参数 `text` The tested string. 返回值 Returns `TRUE` if every character in `text` is printable, but neither letter, digit or blank, `FALSE` otherwise. 范例 Example#1 A ctype_punct() example `<?php $strings = array('ABasdk!@!$#', '!@ # $', '&$()'); foreach ($strings as $testcase) { if (ctype_punct($testcase)) { echo "The string $testcase consists of all punctuation.\n"; } else { echo "The string $testcase does not consist of all punctuation.\n"; } } ?>` 上例将输出： The string ABasdk!@!$# does not consist of all punctuation. The string !@ # $ does not consist of all punctuation. The string &$() consists of all punctuation. 参见 ctype_cntrl() ctype_graph() ctype_print ctype_space ctype PHP Manual

ctype_punct

说明

参数

返回值

范例

参见