ctype_punct
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
ctype_punct — Check for any printable character which is not whitespace or an alphanumeric character
설명
bool ctype_punct
( string
$text
)
Checks if all of the characters in the provided string,
text, are punctuation character.
인수
-
text -
The tested string.
반환값
Returns TRUE if every character in text
is printable, but neither letter, digit or blank, FALSE otherwise.
예제
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 $testcase does not consist of all punctuation.\n";
}
}
?>
위 예제의 출력:
The string ABasdk!@!$# does not consist of all punctuation. The string !@ # $ does not consist of all punctuation. The string *&$() consists of all punctuation.
주의
Note:
-128이상 255이하의 integer를 지정할 경우, 한 문자의 ASCII 값으로 해석합니다. (음수는 256이 더해져 확장 ASCII 영역의 문자가 됩니다) 그 외의 정수는 그 정수를 표현하는 10진 문자열로 해석합니다.
참고
- ctype_cntrl() - Check for control character(s)
- ctype_graph() - Check for any printable character(s) except space
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