library/smarty/libs/plugins/modifier.regex_replace.php
author Markus Broeker<broeker.markus@googlemail.com>
Sun, 14 Feb 2016 22:24:29 +0100
changeset 45 a56e7f9a0463
parent 0 4869aea77e21
permissions -rw-r--r--
Umstellung auf Composer
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     1
<?php
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     2
/**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     3
 * Smarty plugin
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     4
 *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     5
 * @package    Smarty
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     6
 * @subpackage PluginsModifier
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     7
 */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     8
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
     9
/**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    10
 * Smarty regex_replace modifier plugin
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    11
 * Type:     modifier<br>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    12
 * Name:     regex_replace<br>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    13
 * Purpose:  regular expression search/replace
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    14
 *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    15
 * @link    http://smarty.php.net/manual/en/language.modifier.regex.replace.php
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    16
 *          regex_replace (Smarty online manual)
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    17
 * @author  Monte Ohrt <monte at ohrt dot com>
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    18
 *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    19
 * @param string $string input string
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    20
 * @param string|array $search regular expression(s) to search for
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    21
 * @param string|array $replace string(s) that should be replaced
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    22
 *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    23
 * @return string
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    24
 */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    25
function smarty_modifier_regex_replace($string, $search, $replace) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    26
    if (is_array($search)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    27
        foreach ($search as $idx => $s) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    28
            $search[$idx] = _smarty_regex_replace_check($s);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    29
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    30
    } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    31
        $search = _smarty_regex_replace_check($search);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    32
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    33
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    34
    return preg_replace($search, $replace, $string);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    35
}
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    36
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    37
/**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    38
 * @param  string $search string(s) that should be replaced
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    39
 *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    40
 * @return string
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    41
 * @ignore
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    42
 */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    43
function _smarty_regex_replace_check($search) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    44
    // null-byte injection detection
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    45
    // anything behind the first null-byte is ignored
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    46
    if (($pos = strpos($search, "\0")) !== false) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    47
        $search = substr($search, 0, $pos);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    48
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    49
    // remove eval-modifier from $search
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    50
    if (preg_match('!([a-zA-Z\s]+)$!s', $search, $match) && (strpos($match[1], 'e') !== false)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    51
        $search = substr($search, 0, -strlen($match[1])) . preg_replace('![e\s]+!', '', $match[1]);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    52
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    53
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    54
    return $search;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
    55
}