ctype_graph
(PHP 4 >= 4.0.4, PHP 5)
ctype_graph -- Check for any printable character(s) except space
Descrição
bool
ctype_graph ( string text )
Checks if all of the characters in the provided string,
text, creates visible output.
Valores de retornado
Returns TRUE if every character in text is
printable and actually creates visible output (no white space), FALSE
otherwise.
Exemplos
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"; } } ?>
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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. |
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