(PHP 7)
IntlChar::isgraph — Check if code point is a graphic character
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).
codepoint
The int codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")
Returns true if codepoint is a "graphic" character, false if not.
Example #1 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"));
?> The above example will output:
bool(true) bool(true) bool(true) bool(false)
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https://www.php.net/manual/en/intlchar.isgraph.php