IntlChar::isgraph()

版本：php7

(PHP 7)

Check if code point is a graphic character

说明

publicstaticIntlChar::isgraph(mixed $codepoint): bool

Determines whether the specified code point is a "graphic" character(printable, excluding spaces).

TRUE for all characters except those with general categories "Cc"(control codes),"Cf"(format controls),"Cs"(surrogates),"Cn"(unassigned), and "Z"(separators).

参数

$codepoint

The integer codepoint value(e.g.0x2603forU+2603 SNOWMAN), or the character encoded as a UTF-8 string(e.g."u{2603}")

返回值

Returns TRUE if$codepointis a "graphic" character,FALSE if not.

范例

Testing different code points

<?php
var_dump(IntlChar::isgraph("A"));
var_dump(IntlChar::isgraph("1"));
var_dump(IntlChar::isgraph("\u{2603}"));
var_dump(IntlChar::isgraph("\n"));
?>

以上例程会输出：

bool(true)
bool(true)
bool(true)
bool(false)