Manual do 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.

Exemplo 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"; } } ?>`

O exemplo acima irá imprimir:

    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().

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