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Shorten texts in PHP

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git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@347 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana
2007-08-24 16:00:10 +00:00
parent 1e20ebefee
commit 02a851c71e
2 changed files with 30 additions and 15 deletions
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15
functions.inc.php
View File

@@ -277,6 +277,21 @@ function select($result) {
$result->free();
}
function shorten_utf8($string, $length) {
for ($i=0; $i < strlen($string); $i++) {
if (ord($string[$i]) >= 192) {
while (ord($string[$i+1]) >= 128 && ord($string[$i+1]) < 192) {
$i++;
}
}
$length--;
if ($length == 0) {
return nl2br(htmlspecialchars(substr($string, 0, $i+1))) . "<em>...</em>";
}
}
return nl2br(htmlspecialchars($string));
}
if (get_magic_quotes_gpc()) {
$process = array(&$_GET, &$_POST);
while (list($key, $val) = each($process)) {

30
select.inc.php
View File

@@ -3,9 +3,13 @@ page_header(lang('Select') . ": " . htmlspecialchars($_GET["select"]));
$fields = fields($_GET["select"]);
$rights = array();
$columns = array();
unset($text_length);
foreach ($fields as $key => $field) {
if (isset($field["privileges"]["select"])) {
$columns[] = $key;
if (preg_match('~text|blob~', $field["type"])) {
$text_length = (isset($_GET["text_length"]) ? $_GET["text_length"] : "100");
}
}
$rights += $field["privileges"];
}
@@ -107,16 +111,6 @@ function add_row(field) {
echo '<div><input name="limit" size="3" value="' . htmlspecialchars($limit) . '" /></div>';
echo "</fieldset>\n";
$select = array();
unset($text_length);
foreach ($columns as $column) {
if (preg_match('~text|blob~', $fields[$column]["type"])) {
$text_length = (isset($_GET["text_length"]) ? $_GET["text_length"] : "100");
$select[] = (intval($text_length) ? "CONCAT(LEFT(" . idf_escape($column) . ", " . intval($text_length) . "), IF(CHAR_LENGTH(" . idf_escape($column) . ") > " . intval($text_length) . ", '...', '')) AS " : "") . idf_escape($column);
} else {
$select[] = idf_escape($column);
}
}
if (isset($text_length)) {
echo "<fieldset><legend>" . lang('Text length') . "</legend>\n";
echo '<div><input name="text_length" size="3" value="' . htmlspecialchars($text_length) . '" /></div>';
@@ -127,7 +121,7 @@ function add_row(field) {
echo "</form>\n";
echo "<div style='clear: left;'>&nbsp;</div>\n";
$result = $mysql->query("SELECT SQL_CALC_FOUND_ROWS " . implode(", ", $select) . " FROM " . idf_escape($_GET["select"]) . ($where ? " WHERE " . implode(" AND ", $where) : "") . ($order ? " ORDER BY " . implode(", ", $order) : "") . (strlen($limit) ? " LIMIT " . intval($limit) . " OFFSET " . ($limit * $_GET["page"]) : ""));
$result = $mysql->query("SELECT SQL_CALC_FOUND_ROWS * FROM " . idf_escape($_GET["select"]) . ($where ? " WHERE " . implode(" AND ", $where) : "") . ($order ? " ORDER BY " . implode(", ", $order) : "") . (strlen($limit) ? " LIMIT " . intval($limit) . " OFFSET " . ($limit * $_GET["page"]) : ""));
if (!$result->num_rows) {
echo "<p class='message'>" . lang('No rows.') . "</p>\n";
} else {
@@ -153,13 +147,19 @@ function add_row(field) {
} elseif (preg_match('~blob|binary~', $fields[$key]["type"]) && preg_match('~[\\x80-\\xFF]~', $val)) {
$val = '<a href="' . htmlspecialchars($SELF) . 'download=' . urlencode($_GET["select"]) . '&amp;field=' . urlencode($key) . $unique_idf . '">' . lang('%d byte(s)', strlen($val)) . '</a>';
} else {
$val = (strlen(trim($val)) ? nl2br(htmlspecialchars($val)) : "&nbsp;");
if ($fields[$key]["type"] == "char") {
$val = "<code>$val</code>";
if (!strlen(trim($val))) {
$val = "&nbsp;";
} elseif (intval($text_length) > 0 && preg_match('~blob|text~', $fields[$key]["type"]) && strlen($val) > intval($text_length)) {
$val = (preg_match('~blob~', $fields[$key]["type"]) ? nl2br(htmlspecialchars(substr($val, 0, intval($text_length)))) . "<em>...</em>" : shorten_utf8($val, intval($text_length)));
} else {
$val = nl2br(htmlspecialchars($val));
if ($fields[$key]["type"] == "char") {
$val = "<code>$val</code>";
}
}
foreach ((array) $foreign_keys[$key] as $foreign_key) {
if (count($foreign_keys[$key]) == 1 || count($foreign_key["source"]) == 1) {
$val = '">' . "$val</a>";
$val = "\">$val</a>";
foreach ($foreign_key["source"] as $i => $source) {
$val = "&amp;where%5B$i%5D%5Bcol%5D=" . urlencode($foreign_key["target"][$i]) . "&amp;where%5B$i%5D%5Bop%5D=%3D&amp;where%5B$i%5D%5Bval%5D=" . urlencode($row[$source]) . $val;
}