ctype_print
(PHP 4 >= 4.0.4, PHP 5)
ctype_print -- Check for printable character(s)
Descrição
bool
ctype_print ( string text )
Checks if all of the characters in the provided string,
text, are printable.
Valores de retornado
Returns TRUE if every character in text
will actually create output (including blanks). Returns FALSE if
text contains control characters or characters
that do not have any output or control function at all.
Exemplos
Exemplo 1. A ctype_print() example
<?php $strings = array('string1' => "asdf\n\r\t", 'string2' => 'arf12', 'string3' => 'LKA#@%.54'); foreach ($strings as $name => $testcase) { if (ctype_print($testcase)) { echo "The string '$name' consists of all printable characters.\n"; } else { echo "The string '$name' does not consist of all printable characters.\n"; } } ?>
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O exemplo acima irá imprimir: The string 'string1' does not consist of all printable characters.
The string 'string2' consists of all printable characters.
The string 'string3' consists of all printable characters. |
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