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--TEST--
Test preg_replace_callback() function : error
--FILE--
<?php
/*
* Function is implemented in ext/pcre/php_pcre.c
*/
/*
* Testing how preg_replace_callback reacts to being passed the wrong type of regex argument
*/
$regex_array = [
'abcdef', //Regex without delimiters
'/[a-zA-Z]', //Regex without closing delimiter
'[a-zA-Z]/', //Regex without opening delimiter
'/[a-zA-Z]/F',
[
'[a-z]', //Array of Regexes
'[A-Z]',
'[0-9]',
],
'/[0-9]/', //Regex string
];
$replacement = [
'zero',
'one',
'two',
'three',
'four',
'five',
'six',
'seven',
'eight',
'nine',
];
function integer_word($matches) {
global $replacement;
return $replacement[$matches[0]];
}
$subject = 'number 1.';
foreach ($regex_array as $regex_value) {
var_dump(preg_replace_callback($regex_value, 'integer_word', $subject));
}
?>
--EXPECTF--
Warning: preg_replace_callback(): Delimiter must not be alphanumeric, backslash, or NUL byte in %s on line %d
NULL
Warning: preg_replace_callback(): No ending delimiter '/' found in %s on line %d
NULL
Warning: preg_replace_callback(): Unknown modifier '/' in %s on line %d
NULL
Warning: preg_replace_callback(): Unknown modifier 'F' in %s on line %d
NULL
string(9) "number 1."
string(11) "number one."
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