No cache version.
Caching disabled. Default setting for this page:enabled (code LNG204)If the display is too slow, you can disable the user mode to view the cached version.
ctype_graph
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
ctype_graph — Check for any printable character(s) except space
Description
ctype_graph
( string
$text
) : bool
Checks if all of the characters in the provided string,
text
, creates visible output.
Return Values
Returns TRUE
if every character in text
is
printable and actually creates visible output (no white space), FALSE
otherwise.
Examples
Example #1 A ctype_graph() example
<?php
$strings = array('string1' => "asdf\n\r\t", 'string2' => 'arf12', 'string3' => 'LKA#@%.54');
foreach ($strings as $name => $testcase) {
if (ctype_graph($testcase)) {
echo "The string '$name' consists of all (visibly) printable characters.\n";
} else {
echo "The string '$name' does not consist of all (visibly) printable characters.\n";
}
}
?>
The above example will output:
The string 'string1' does not consist of all (visibly) printable characters. The string 'string2' consists of all (visibly) printable characters. The string 'string3' consists of all (visibly) printable characters.
Notes
Note:
If an integer between -128 and 255 inclusive is provided, it is interpreted as the ASCII value of a single character (negative values have 256 added in order to allow characters in the Extended ASCII range). Any other integer is interpreted as a string containing the decimal digits of the integer.
See Also
- ctype_alnum() - Check for alphanumeric character(s)
- ctype_print() - Check for printable character(s)
- ctype_punct() - Check for any printable character which is not whitespace or an alphanumeric character
Can not display this page of the Infobrol website
Type of error (18-01)
Unknown format specifier "&"Please try again in a few minutes…
Steph