本文整理汇总了PHP中is_ascii函数的典型用法代码示例。如果您正苦于以下问题：PHP is_ascii函数的具体用法？PHP is_ascii怎么用？PHP is_ascii使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了is_ascii函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: in_array_nocase
/**
* Similar function as in_array() but case-insensitive with multibyte support.
*
* @param string $needle Needle value
* @param array $heystack Array to search in
*
* @return boolean True if found, False if not
*/
function in_array_nocase($needle, $haystack)
{
// use much faster method for ascii
if (is_ascii($needle)) {
foreach ((array) $haystack as $value) {
if (strcasecmp($value, $needle) === 0) {
return true;
}
}
} else {
$needle = mb_strtolower($needle);
foreach ((array) $haystack as $value) {
if ($needle === mb_strtolower($value)) {
return true;
}
}
}
return false;
}示例2: expression_recherche
function expression_recherche($recherche, $options)
{
// ne calculer qu'une seule fois l'expression par hit
// (meme si utilisee dans plusieurs boucles)
static $expression = array();
$key = serialize(array($recherche, $options['preg_flags']));
if (isset($expression[$key])) {
return $expression[$key];
}
$u = $GLOBALS['meta']['pcre_u'];
if ($u and strpos($options['preg_flags'], $u) === false) {
$options['preg_flags'] .= $u;
}
include_spip('inc/charsets');
$recherche = trim($recherche);
$is_preg = false;
if (substr($recherche, 0, 1) == '/' and substr($recherche, -1, 1) == '/') {
// c'est une preg
$recherche_trans = translitteration($recherche);
$preg = $recherche_trans . $options['preg_flags'];
$is_preg = true;
} else {
// s'il y a plusieurs mots il faut les chercher tous : oblige REGEXP,
// sauf ceux de moins de 4 lettres (on supprime ainsi 'le', 'les', 'un',
// 'une', 'des' ...)
// attention : plusieurs mots entre guillemets sont a rechercher tels quels
$recherche_trans = $recherche_mod = $recherche;
// les expressions entre " " sont un mot a chercher tel quel
// -> on remplace les espaces par un \x1 et on enleve les guillemets
if (preg_match(',["][^"]+["],Uims', $recherche_mod, $matches)) {
foreach ($matches as $match) {
$word = preg_replace(",\\s+,Uims", "", $match);
$word = trim($word, '"');
$recherche_mod = str_replace($match, $word, $recherche_mod);
}
}
if (preg_match(",\\s+," . $u, $recherche_mod)) {
$is_preg = true;
$recherche_inter = '|';
$recherche_mots = explode(' ', $recherche_mod);
$min_long = defined('_RECHERCHE_MIN_CAR') ? _RECHERCHE_MIN_CAR : 4;
foreach ($recherche_mots as $mot) {
if (strlen($mot) >= $min_long) {
// echapper les caracteres de regexp qui sont eventuellement dans la recherche
$recherche_inter .= preg_quote($mot) . ' ';
}
}
$recherche_inter = str_replace("", '\\s', $recherche_inter);
// mais on cherche quand même l'expression complète, même si elle
// comporte des mots de moins de quatre lettres
$recherche = rtrim(preg_quote($recherche) . preg_replace(',\\s+,' . $u, '|', $recherche_inter), '|');
$recherche_trans = translitteration($recherche);
}
$preg = '/' . str_replace('/', '\\/', $recherche_trans) . '/' . $options['preg_flags'];
}
// Si la chaine est inactive, on va utiliser LIKE pour aller plus vite
// ou si l'expression reguliere est invalide
if (!$is_preg or @preg_match($preg, '') === FALSE) {
$methode = 'LIKE';
$u = $GLOBALS['meta']['pcre_u'];
// echapper les % et _
$q = str_replace(array('%', '_'), array('\\%', '\\_'), trim($recherche));
// eviter les parentheses et autres caractères qui interferent avec pcre par la suite (dans le preg_match_all) s'il y a des reponses
$recherche = preg_quote($recherche);
$recherche_trans = translitteration($recherche);
$recherche_mod = $recherche_trans;
// les expressions entre " " sont un mot a chercher tel quel
// -> on remplace les espaces par un _ et on enleve les guillemets
// corriger le like dans le $q
if (preg_match(',["][^"]+["],Uims', $q, $matches)) {
foreach ($matches as $match) {
$word = preg_replace(",\\s+,Uims", "_", $match);
$word = trim($word, '"');
$q = str_replace($match, $word, $q);
}
}
// corriger la regexp
if (preg_match(',["][^"]+["],Uims', $recherche_mod, $matches)) {
foreach ($matches as $match) {
$word = preg_replace(",\\s+,Uims", "[\\s]", $match);
$word = trim($word, '"');
$recherche_mod = str_replace($match, $word, $recherche_mod);
}
}
$q = sql_quote("%" . preg_replace(",\\s+," . $u, "%", $q) . "%");
$preg = '/' . preg_replace(",\\s+," . $u, ".+", trim($recherche_mod)) . '/' . $options['preg_flags'];
} else {
$methode = 'REGEXP';
$q = sql_quote(trim($recherche, '/'));
}
// tous les caracteres transliterables de $q sont remplaces par un joker
// permet de matcher en SQL meme si on est sensible aux accents (SQLite)
$q_t = $q;
for ($i = 0; $i < spip_strlen($q); $i++) {
$char = spip_substr($q, $i, 1);
if (!is_ascii($char) and $char_t = translitteration($char) and $char_t !== $char) {
$q_t = str_replace($char, $is_preg ? "." : "_", $q_t);
}
}
$q = $q_t;
//.........这里部分代码省略.........
示例3: search_index
/**
* protected search method
*
* @param string $folder Folder name
* @param string $criteria Search criteria
* @param string $charset Charset
* @param string $sort_field Sorting field
*
* @return rcube_result_index|rcube_result_thread Search results (UIDs)
* @see rcube_imap::search()
*/
protected function search_index($folder, $criteria = 'ALL', $charset = NULL, $sort_field = NULL)
{
if (!$this->check_connection()) {
if ($this->threading) {
return new rcube_result_thread();
} else {
return new rcube_result_index();
}
}
if ($this->options['skip_deleted'] && !preg_match('/UNDELETED/', $criteria)) {
$criteria = 'UNDELETED ' . $criteria;
}
// unset CHARSET if criteria string is ASCII, this way
// SEARCH won't be re-sent after "unsupported charset" response
if ($charset && $charset != 'US-ASCII' && is_ascii($criteria)) {
$charset = 'US-ASCII';
}
if ($this->threading) {
$threads = $this->conn->thread($folder, $this->threading, $criteria, true, $charset);
// Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8,
// but I've seen that Courier doesn't support UTF-8)
if ($threads->is_error() && $charset && $charset != 'US-ASCII') {
$threads = $this->conn->thread($folder, $this->threading, self::convert_criteria($criteria, $charset), true, 'US-ASCII');
}
return $threads;
}
if ($sort_field && $this->get_capability('SORT')) {
$charset = $charset ? $charset : $this->default_charset;
$messages = $this->conn->sort($folder, $sort_field, $criteria, true, $charset);
// Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8,
// but I've seen Courier with disabled UTF-8 support)
if ($messages->is_error() && $charset && $charset != 'US-ASCII') {
$messages = $this->conn->sort($folder, $sort_field, self::convert_criteria($criteria, $charset), true, 'US-ASCII');
}
if (!$messages->is_error()) {
$this->search_sorted = true;
return $messages;
}
}
$messages = $this->conn->search($folder, ($charset && $charset != 'US-ASCII' ? "CHARSET {$charset} " : '') . $criteria, true);
// Error, try with US-ASCII (some servers may support only US-ASCII)
if ($messages->is_error() && $charset && $charset != 'US-ASCII') {
$messages = $this->conn->search($folder, self::convert_criteria($criteria, $charset), true);
}
$this->search_sorted = false;
return $messages;
}示例4: encode
function encode($string, $to = 'UTF-8', $from = 'UTF-8')
{
if ($to == 'UTF-8' and is_ascii($string)) {
return $string;
}
return @iconv($from, $to . '//TRANSLIT//IGNORE', $string);
}示例5: make_record
function make_record($zone, $input)
{
global $defaults;
$name = isset($input['name']) ? $input['name'] : '';
if ('' == $name) {
$name = $zone['name'];
} elseif (string_ends_with($name, '.')) {
# "absolute" name, shouldn't append zone[name] - but check.
$name = substr($name, 0, -1);
if (!string_ends_with($name, $zone['name'])) {
jtable_respond(null, 'error', "Name {$name} not in zone " . $zone['name']);
}
} else {
if (!string_ends_with($name, $zone['name'])) {
$name = $name . '.' . $zone['name'];
}
}
$ttl = (int) (isset($input['ttl']) && $input['ttl'] ? $input['ttl'] : $defaults['ttl']);
$type = isset($input['type']) ? $input['type'] : '';
$disabled = (bool) (isset($input['disabled']) && $input['disabled']);
$content = isset($input['content']) ? $input['content'] : '';
if ($type === 'TXT') {
# empty TXT records are ok, otherwise require surrounding quotes: "..."
if (strlen($content) == 1 || substr($content, 0, 1) !== '"' || substr($content, -1) !== '"') {
# fix quoting: first escape all \, then all ", then surround with quotes.
$content = '"' . str_replace('"', '\\"', str_replace('\\', '\\\\', $content)) . '"';
}
}
if (!_valid_label($name)) {
jtable_respond(null, 'error', "Please only use [a-z0-9_/.-]");
}
if (!$type) {
jtable_respond(null, 'error', "Require a type");
}
if (!is_ascii($content)) {
jtable_respond(null, 'error', "Please only use ASCII-characters in your fields");
}
return array('disabled' => $disabled, 'type' => $type, 'name' => $name, 'ttl' => $ttl, 'content' => $content);
}示例6: encode
/**
* Convert a string from one encoding to another encoding
* and remove invalid bytes sequences.
*
* @param string $string to convert
* @param string $to encoding you want the string in
* @param string $from encoding that string is in
* @return string
*/
function encode($string, $to = 'UTF-8', $from = 'UTF-8')
{
// ASCII is already valid UTF-8
if ($to == 'UTF-8' and is_ascii($string)) {
return $string;
}
// Convert the string
return @iconv($from, $to . '//TRANSLIT//IGNORE', $string);
}示例7: check_get_args
require_once "../inc/user.inc";
check_get_args(array());
$auth = post_str("auth", true);
$email_addr = strtolower(post_str("email_addr", true));
$old_passwd = post_str("old_passwd", true);
$passwd = post_str("passwd");
$passwd2 = post_str("passwd2");
if ($passwd != $passwd2) {
error_page(tra("New passwords are different"));
}
$config = get_config();
$min_passwd_length = parse_config($config, "<min_passwd_length>");
if (!$min_passwd_length) {
$min_passwd_length = 6;
}
if (!is_ascii($passwd)) {
error_page(tra("Passwords may only include ASCII characters."));
}
if (strlen($passwd) < $min_passwd_length) {
error_page(tra("New password is too short: minimum password length is %1 characters.", $min_passwd_length));
}
if ($auth) {
$user = lookup_user_auth($auth);
if (!$user) {
error_page(tra("Invalid account key"));
}
} else {
$user = lookup_user_email_addr($email_addr);
if (!$user) {
error_page(tra("No account with that email address was found"));
}示例8: search_index
/**
* Copy of rcube_imap::search_index()
*/
protected function search_index()
{
$criteria = $this->search;
$charset = $this->charset;
$imap = $this->worker->get_imap();
if (!$imap->connected()) {
trigger_error("No IMAP connection for {$this->folder}", E_USER_WARNING);
if ($this->threading) {
return new rcube_result_thread($this->folder);
} else {
return new rcube_result_index($this->folder);
}
}
if ($this->worker->options['skip_deleted'] && !preg_match('/UNDELETED/', $criteria)) {
$criteria = 'UNDELETED ' . $criteria;
}
// unset CHARSET if criteria string is ASCII, this way
// SEARCH won't be re-sent after "unsupported charset" response
if ($charset && $charset != 'US-ASCII' && is_ascii($criteria)) {
$charset = 'US-ASCII';
}
if ($this->threading) {
$threads = $imap->thread($this->folder, $this->threading, $criteria, true, $charset);
// Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8,
// but I've seen that Courier doesn't support UTF-8)
if ($threads->is_error() && $charset && $charset != 'US-ASCII') {
$threads = $imap->thread($this->folder, $this->threading, rcube_imap::convert_criteria($criteria, $charset), true, 'US-ASCII');
}
return $threads;
}
if ($this->sort_field) {
$messages = $imap->sort($this->folder, $this->sort_field, $criteria, true, $charset);
// Error, try with US-ASCII (RFC5256: SORT/THREAD must support US-ASCII and UTF-8,
// but I've seen Courier with disabled UTF-8 support)
if ($messages->is_error() && $charset && $charset != 'US-ASCII') {
$messages = $imap->sort($this->folder, $this->sort_field, rcube_imap::convert_criteria($criteria, $charset), true, 'US-ASCII');
}
}
if (!$messages || $messages->is_error()) {
$messages = $imap->search($this->folder, ($charset && $charset != 'US-ASCII' ? "CHARSET {$charset} " : '') . $criteria, true);
// Error, try with US-ASCII (some servers may support only US-ASCII)
if ($messages->is_error() && $charset && $charset != 'US-ASCII') {
$messages = $imap->search($this->folder, rcube_imap::convert_criteria($criteria, $charset), true);
}
}
return $messages;
}示例9: convert_table_utf8
function convert_table_utf8($f, $table, $champ)
{
echo "<br /><b>$table</b> ";
$s = spip_query("SELECT * FROM $table WHERE $champ LIKE '<CONVERT %'");
// recuperer 'id_article' (encore un truc a faire dans table_objet)
preg_match(',^spip_(.*?)s?$,', $table, $r);
$id_champ = 'id_'.$r[1];
if ($table == 'spip_petitions') $id_champ = 'id_article';
if ($table == 'spip_groupes_mots') $id_champ = 'id_groupe';
// lire les donnees dans un array
while ($t = sql_fetch($s)) {
$query = array();
$query_no_convert = '';
$query_extra = '';
$charset_source='AUTO';
foreach ($t as $c => $v) {
if ($c == $champ) {
preg_match(',^<CONVERT (.*?)>,', $v, $reg);
$v = substr($v, strlen($reg[0]));
$charset_source = $reg[1];
$query[] = "$c=" . sql_quote($v);
} else {
if (!is_numeric($v)
AND !is_ascii($v)) {
// traitement special car donnees serializees
if ($c == 'extra') {
$query_no_convert .= ", $c=".sql_quote($v);
$query_extra = convert_extra($v, $charset_source);
} else
$query[] = "$c=" . sql_quote($v);
} else
# pour le backup
$query_no_convert .= ", $c=".sql_quote($v);
}
}
$set = join(', ', $query);
$where = "$id_champ = ".$t[$id_champ];
// On l'enregistre telle quelle sur le fichier de sauvegarde
if ($f) fwrite($f,
"UPDATE $table SET $set$query_no_convert"
." WHERE $where;\n"
);
// Mais on la transcode
// en evitant une double conversion
if ($charset_source != 'utf-8') {
$query = "UPDATE $table SET "
. unicode_to_utf_8(charset2unicode($set, $charset_source))
. $query_extra
. " WHERE $where AND $champ LIKE '<CONVERT %'";
#echo $query;
spip_query($query);
echo '. '; flush();
}
}
sql_free($s);
}示例10: foreach
case "19":
// TBD
$scanResultsStrCopy .= "";
break;
case "20":
// TBD
$scanResultsStrCopy .= "";
break;
case "21":
// File Read Results
if ($dataEntry['status'] == 1 && sizeof($dataEntry['value']) > 0) {
foreach ($dataEntry['value'] as $localFilePath) {
if (preg_match("#\\(same file\\)#", $localFilePath)) {
$localFile = explode(" ", $localFilePath)[0];
if (file_exists($localFile) && is_readable($localFile)) {
if (is_ascii($localFile)) {
echo "\n[*] File Content for: " . htmlentities($options_to_enable['rFile'], ENT_QUOTES, 'UTF-8') . " \n";
$scanResultsStrCopy .= "\n[*] File Content for: " . $options_to_enable['rFile'] . " \n";
$fh = fopen($localFile, "rb");
while (!feof($fh)) {
$line = fgets($fh);
echo htmlentities($line, ENT_QUOTES, 'UTF-8');
$scanResultsStrCopy .= $line;
}
fclose($fh);
echo "\n";
$scanResultsStrCopy .= "\n";
} else {
echo "\n[*] Non-ASCII File Content for: " . htmlentities($options_to_enable['rFile'], ENT_QUOTES, 'UTF-8') . " \n";
$scanResultsStrCopy .= "\n[*] Non-ASCII File Content for: " . $options_to_enable['rFile'] . " \n";
echo "\n [*] Unable to display as a result...\n";示例11: transcoder_page
function transcoder_page($texte, $headers='') {
// Si tout est < 128 pas la peine d'aller plus loin
if (is_ascii($texte)) {
#spip_log('charset: ascii');
return $texte;
}
// Reconnaitre le BOM utf-8 (0xEFBBBF)
if (bom_utf8($texte)) {
$charset = 'utf-8';
$texte = substr($texte,3);
}
// charset precise par le contenu (xml)
else if (preg_match(
',<[?]xml[^>]*encoding[^>]*=[^>]*([-_a-z0-9]+?),UimsS', $texte, $regs))
$charset = trim(strtolower($regs[1]));
// charset precise par le contenu (html)
else if (preg_match(
',<(meta|html|body)[^>]*charset[^>]*=[^>]*([-_a-z0-9]+?),UimsS',
$texte, $regs)
# eviter #CHARSET des squelettes
AND (($tmp = trim(strtolower($regs[2]))) != 'charset'))
$charset = $tmp;
// charset de la reponse http
else if (preg_match(',charset=([-_a-z0-9]+),i', $headers, $regs))
$charset = trim(strtolower($regs[1]));
else $charset = '';
// normaliser les noms du shif-jis japonais
if (preg_match(',^(x|shift)[_-]s?jis$,i', $charset))
$charset = 'shift-jis';
if ($charset) {
spip_log("charset: $charset");
} else {
// valeur par defaut
if (is_utf8($texte))
$charset = 'utf-8';
else
$charset = 'iso-8859-1';
spip_log("charset probable: $charset");
}
return importer_charset($texte, $charset);
}示例12: encode
/**
* Convert a string from one encoding to another encoding
* and remove invalid bytes sequences.
*
* @param string $string to convert
* @param string $to encoding you want the string in
* @param string $from encoding that string is in
* @return string
*/
function encode($string, $to = 'UTF-8', $from = 'UTF-8')
{
return $to === 'UTF-8' && is_ascii($string) ? $string : @iconv($from, $to . '//TRANSLIT//IGNORE', $string);
}示例13: test_is_ascii
/**
* rcube_shared.inc: is_ascii()
*/
function test_is_ascii()
{
$result = is_ascii("0123456789");
$this->assertTrue($result, "Valid ASCII (numbers)");
$result = is_ascii("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
$this->assertTrue($result, "Valid ASCII (letters)");
$result = is_ascii(" !\"#\$%&'()*+,-./:;<=>?@[\\^_`{|}~");
$this->assertTrue($result, "Valid ASCII (special characters)");
$result = is_ascii("\t\n\v\f\r" . "");
$this->assertTrue($result, "Valid ASCII (control characters)");
$result = is_ascii("\n", false);
$this->assertFalse($result, "Valid ASCII (control characters)");
$result = is_ascii("ż");
$this->assertFalse($result, "Invalid ASCII (UTF-8 character)");
$result = is_ascii("ż", false);
$this->assertFalse($result, "Invalid ASCII (UTF-8 character [2])");
}示例14: encode
/**
* Convert a string from one encoding to another encoding (Defaults to UTF-8)
*
* @param string $string to convert
* @param string $to_encoding you want the string in
* @param string $from_encoding that string is in
* @return string
*/
function encode($string, $to_encoding = 'UTF-8', $from_encoding = 'UTF-8')
{
// ASCII-7 is valid UTF-8 already
if ($to_encoding === 'UTF-8' and is_ascii($string)) {
return $string;
}
if (function_exists('iconv')) {
// Disable notices
$ER = error_reporting(~E_NOTICE);
$string = iconv($from_encoding, $to_encoding . '//TRANSLIT', $string);
// Turn notices back on
error_reporting($ER);
return $string;
} else {
return mb_convert_encoding($string, $to_encoding, mb_detect_encoding($string, "auto", TRUE));
}
}示例15: strrev
/**
* Reverses a UTF-8 string.
* @see http://php.net/strrev
*
* @author Harry Fuecks <hfuecks@gmail.com>
*
* @param string string to be reversed
* @return string
*/
function strrev($str)
{
if (is_ascii($str)) {
return \strrev($str);
}
preg_match_all('/./us', $str, $matches);
return implode('', array_reverse($matches[0]));
}