IntlChar::isgraph()
版本:php7
(PHP 7)
Check if code point is a graphic character
说明
public static IntlChar::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)