Руководство по PHP
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# ctype_graph

(PHP 4 >= 4.0.4, PHP 5)

ctype_graph -- Check for any printable character(s) except space

## Description

bool ctype_graph ( string text )

Returns `TRUE` if every character in text is printable and actually creates visible output (no white space), `FALSE` otherwise.

Пример 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"; } } ?>`
Результат выполнения данного примера:
    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.

See also ctype_alnum(), ctype_print(), and ctype_punct().

Пред. | Начало | След.
ctype_digit | Уровень выше | ctype_lower