array_map() takes two arguments. The first argument is the function to perform on the second argument (which is an array). Returns a new array.
$original = array('<p>Paragraph</p>', '<strong>Bold</strong>');
$new = array_map('strip_tags', $original);
// $new is now array('Paragraph', 'Bold');
<?php
$json ='{"id":1,"name":"foo","interest":["wordpress","php"]} ';
$obj=json_decode($json);
echo $obj->interest[1]; //prints php
?>
function pagination($item_count, $limit, $cur_page, $link)
{
$page_count = ceil($item_count/$limit);
$current_range = array(($cur_page-2 < 1 ? 1 : $cur_page-2), ($cur_page+2 > $page_count ? $page_count : $cur_page+2));
// First and Last pages
$first_page = $cur_page > 3 ? '<a href="'.sprintf($link, '1').'">1</a>'.($cur_page < 5 ? ', ' : ' ... ') : null;
$last_page = $cur_page < $page_count-2 ? ($cur_page > $page_count-4 ? ', ' : ' ... ').'<a href="'.sprintf($link, $page_count).'">'.$page_count.'</a>' : null;
// Previous and next page
$previous_page = $cur_page > 1 ? '<a href="'.sprintf($link, ($cur_page-1)).'">Previous</a> | ' : null;
$next_page = $cur_page < $page_count ? ' | <a href="'.sprintf($link, ($cur_page+1)).'">Next</a>' : null;
// Display pages that are in range
for ($x=$current_range[0];$x <= $current_range[1]; ++$x)
$pages[] = '<a href="'.sprintf($link, $x).'">'.($x == $cur_page ? '<strong>'.$x.'</strong>' : $x).'</a>';
if ($page_count > 1)
return '<p class="pagination"><strong>Pages:</strong> '.$previous_page.$first_page.implode(', ', $pages).$last_page.$next_page.'</p>';
}pagination(
total amount of item/rows/whatever,
limit of items per page,
current page number,
url
);pagination(45, 20, 1, 'http://example.com/userlist/%d.html');<p class="pagination">
<strong>Pages:</strong>
<a href="http://example.com/userlist/1.html"><strong>1</strong></a>,
<a href="http://example.com/userlist/2.html">2</a>,
<a href="http://example.com/userlist/3.html">3</a>
| <a href="http://example.com/userlist/2.html">Next</a>
</p>
<?php
// Start buffering
ob_start();
// Output stuff (probably not this simple, might be custom CMS functions...
echo 'Print to the screen!!!';
// Get value of buffering so far
$getContent = ob_get_contents();
// Stop buffering
ob_end_clean();
// Do stuff to $getContent as needed
// Use it
echo 'Now: ' . $getContent;
?>
function myTruncate($string, $limit, $break=".", $pad="...") {
if(strlen($string) <= $limit) return $string;
if(false !== ($breakpoint = strpos($string, $break, $limit))) {
if($breakpoint < strlen($string) - 1) {
$string = substr($string, 0, $breakpoint) . $pad; }
} return $string;
}function ellipsis($text, $max=100, $append='…') {
if (strlen($text) <= $max) return $text;
$out = substr($text,0,$max);
if (strpos($text,' ') === FALSE) return $out.$append;
return preg_replace('/\w+$/','',$out).$append;
}Usage:
<?php
$text = "Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo.";
echo ellipsis($text,100);
?>Options to use PHP's php_tidy to fix up broken HTML, or to strip HTML entirely.
function summarise( $input, $break = " ", $end_text = "...", $limit = 255, $tidy_html = 1, $strip_html = 0 ) {
if ( strlen( $input ) >= $limit ) {
$breakpoint = strpos( $input, $break, $limit );
$input = substr( $input, 0, $breakpoint ) . $end_text;
}
if ( $tidy_html == 1 ) {
ob_start( );
$tidy = new tidy;
$config = array( 'indent' => true, 'output-xhtml' => true, 'wrap' => 200, 'clean' => true, 'show-body-only' => true );
$tidy->parseString( $input, $config, 'utf8' );
$tidy->cleanRepair( );
$input = $tidy;
}
if ( $strip_html == 1 ) {
$input = strip_tags( $input );
}
return $input;
}<?php
$long_text = "Lorem ipsum dolor sit amet, consectetur adipiscing elit.";
$max_length = 40; // we want to show only 40 characters.
if (strlen($long_text) > $max_length)
{
$short_text = (substr($long_text,0,$max_length-1)); // make it $max_length chars long
$short_text .= "..."; // add an ellipses ... at the end
$short_text .= "<a href='http://example.com/page.html'>Read more</a>"; // add a link
echo $short_text;
}
else
{
// string is already less than $max_length, so display the string as is
echo $long_text;
}
?>
<?php
define('MSR_VERSION', '1.0.0');
define('__SEP__', "/*sep*/" );
define('MSR_STRING', 0);
define('MSR_FILE', 1);
set_time_limit( 600 );
class MySQL_Restore {
var $server = 'localhost';
var $port = 3306;
var $username = 'root';
var $password = '';
var $database = '';
var $link_id = -1;
var $connected = false;
var $queries = array();
var $error = '';
var $debug = false;
var $log_folder = "";
var $log_file_name = "";
function MySQL_Restore() {
$this->log_file_name = "restore_" . date( "Ymd_his" ) . ".log";
}
function Execute( $param, $mode = MSR_STRING, $is_compressed = false, $split_only = false ) {
if ( $this->debug ) {
$this->saveLog( "[start reading file]" );
}
if ( $mode == MSR_FILE ) {
if (!($sql = $this->_ReadFromFile($param, $is_compressed))) {
$this->error = 'Can\'t read backup file.';
return false;
}
} else {
$sql = ($is_compressed ? gzuncompress($param) : $param);
}
if ( $this->debug ) {
$this->saveLog( "[file readed]" );
}
return $this->_Restore( $sql, $split_only );
}
function _Connect() {
$value = false;
if ( !$this->connected ) {
$host = $this->server . ':' . $this->port;
$this->link_id = mysql_pconnect( $host, $this->username, $this->password );
}
if ( $this->link_id ) {
if ( empty( $this->database ) ) {
$value = true;
} elseif ( $this->link_id !== -1 ) {
$value = mysql_select_db($this->database, $this->link_id);
} else {
$value = mysql_select_db($this->database);
}
}
if (!$value) {
$this->error = mysql_error();
}
return $value;
}
function _Disconnect() {
if ( $this->link_id ) {
mysql_close( $this->link_id );
}
}
function _Query( $sql ) {
if ( $this->link_id !== -1 ) {
$result = mysql_query( $sql, $this->link_id );
} else {
$result = mysql_query( $sql );
}
if ( !$result ) {
$this->error = mysql_error();
}
return $result;
}
// The logic from phpMyAdmin source
function _Decompose( &$ret, $sql ) {
$sql = rtrim( $sql, "\n\r" );
$sql_len = strlen( $sql );
$char = '';
$string_start = '';
$in_string = false;
$nothing = true;
$time0 = time();
for ( $i = 0; $i < $sql_len; ++$i ) {
$char = $sql[$i];
if ( $in_string ) {
for (;;) {
$i = strpos( $sql, $string_start, $i );
if ( !$i ) {
$ret[] = $sql;
return true;
} elseif ( $string_start == '`' || $sql[$i - 1] != '\\' ) {
$string_start = '';
$in_string = false;
break;
} else {
$j = 2;
$escaped_backslash = false;
while ( $i - $j > 0 && $sql[$i - $j] == '\\' ) {
$escaped_backslash = !$escaped_backslash;
$j++;
}
if ( $escaped_backslash ) {
$string_start = '';
$in_string = false;
break;
} else {
$i++;
}
}
}
} else if ( ($char == '-' && $sql_len > $i + 2 && $sql[$i + 1] == '-' && $sql[$i + 2] <= ' ') || $char == '#' || ($char == '/' && $sql_len > $i + 1 && $sql[$i + 1] == '*') ) {
$comm_end = ($char == '/' ? '*/' : "\n");
$i = strpos($sql, $comm_end, $i);
if ( $i === false ) {
break;
}
if ($char == '/') {
$i++;
}
} else if ($char == ';') {
$ret[] = array( 'query' => substr( $sql, 0, $i ), 'empty' => $nothing );
$nothing = true;
$sql = ltrim(substr($sql, min($i + 1, $sql_len)));
$sql_len = strlen($sql);
if ( $sql_len ) {
$i = -1;
} else {
return true;
}
} else if (($char == '"') || ($char == '\'') || ($char == '`')) {
$in_string = true;
$nothing = false;
$string_start = $char;
} elseif ($nothing) {
$nothing = false;
}
$time1 = time();
if ($time1 >= $time0 + 30) {
$time0 = $time1;
@header('X-pmaPing: Pong');
}
}
if (!empty($sql) && preg_match('@[^[:space:]]+@', $sql)) {
$ret[] = array('query' => $sql, 'empty' => $nothing);
}
return true;
}
function _Restore($sql, $split_only) {
if ( $this->debug ) {
$this->saveLog( "[start restoring]" );
}
if ( $this->debug ) {
$this->saveLog( "[connecting to DB...]" );
}
if (!$this->_Connect()) {
return false;
}
if ( $this->debug ) {
$this->saveLog( "[connected to DB]" );
}
if ( $this->debug ) {
$this->saveLog( "[decomposing...]" );
}
$queries = array();
$errors = '';
// check if is this our backup
if ( strpos( $sql, __SEP__ ) !== false ) {
if ( $this->debug ) {
$this->saveLog( "[founding our backup file]" );
}
$queries = explode( __SEP__, $sql );
if ( count( $queries ) ) {
if ( $this->debug ) {
$this->saveLog( "[decomposed]" );
}
if (!$split_only) {
foreach ($queries as $query) {
$query = trim( $query );
if ( !empty( $query ) ) {
if (!$this->_Query( $query ) ) {
$errors .= $this->error . '<br />';
}
if ( $this->debug ) {
$this->saveLog( $query );
}
}
}
}
}
} else {
if ( $this->debug ) {
$this->saveLog( "[common sql file founded]" );
}
if (!$this->_Decompose( $queries, $sql ) ) {
return false;
}
if ( $this->debug ) {
$this->saveLog( "[decomposed]" );
}
foreach ($queries as $query) {
if (!$split_only) {
if (!$this->_Query( trim( $query['query'] ) ) ) {
$errors .= $this->error . '<br /><br />';
}
}
if ( $this->debug ) {
$this->saveLog( $query['query'] );
}
}
}
if ( $this->debug ) {
$this->saveLog( "[finished restoring]" );
}
$this->_Disconnect();
if ( !empty( $errors ) ) {
$this->error = $errors;
return false;
}
return true;
}
function _ReadFromFile($fname, $is_compressed) {
if ($is_compressed) {
$sql = gzfile($fname);
} else {
$sql = file($fname);
}
if ($sql === false) {
return false;
}
return implode('', $sql);
}
function saveLog( $str ) {
$f = @fopen( $this->log_folder . $this->log_file_name, "a" );
@fwrite( $f, "[" . date( "H:i:s" ). "] " . $str . "\n" );
@fclose( $f );
}
}
?>
<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
class dbAccess {
var $db_connect_id;
var $query_result;
var $row = array();
var $rowset = array();
var $num_queries = 0;
//
// Constructor
//
function dbAccess($sqlserver, $sqluser, $sqlpassword, $database, $persistency = true) {
$this->persistency = $persistency;
$this->user = $sqluser;
$this->password = $sqlpassword;
$this->server = $sqlserver;
$this->dbname = $database;
if($this->persistency) {
$this->db_connect_id = @mysql_pconnect($this->server, $this->user, $this->password);
} else {
$this->db_connect_id = @mysql_connect($this->server, $this->user, $this->password);
}
if($this->db_connect_id) {
if($database != "") {
$this->dbname = $database;
$dbselect = @mysql_select_db($this->dbname);
if(!$dbselect) {
@mysql_close($this->db_connect_id);
$this->db_connect_id = $dbselect;
}
}
return $this->db_connect_id;
} else {
return false;
}
}
//
// Other base methods
//
function destroy() {
if($this->db_connect_id) {
if($this->query_result) {
@mysql_free_result($this->query_result);
}
$result = @mysql_close($this->db_connect_id);
return $result;
} else {
return false;
}
}
//
// Base query method
//
function query($query = "", $transaction = FALSE) {
// Remove any pre-existing queries
unset($this->query_result);
if($query != "") {
$this->num_queries++;
$this->query_result = @mysql_query($query, $this->db_connect_id);
}
if($this->query_result) {
unset($this->row[$this->query_result]);
unset($this->rowset[$this->query_result]);
return $this->query_result;
} else {
return ( $transaction == END_TRANSACTION ) ? true : false;
}
}
//
// Other query methods
//
function numrows($query_id = 0) {
if(!$query_id) {
$query_id = $this->query_result;
}
if($query_id) {
$result = @mysql_num_rows($query_id);
return $result;
} else {
return false;
}
}
function affectedrows() {
if($this->db_connect_id) {
$result = @mysql_affected_rows($this->db_connect_id);
return $result;
} else {
return false;
}
}
function numfields($query_id = 0) {
if(!$query_id) {
$query_id = $this->query_result;
}
if($query_id) {
$result = @mysql_num_fields($query_id);
return $result;
} else {
return false;
}
}
function fieldname($offset, $query_id = 0) {
if(!$query_id) {
$query_id = $this->query_result;
}
if($query_id) {
$result = @mysql_field_name($query_id, $offset);
return $result;
} else {
return false;
}
}
function fieldtype($offset, $query_id = 0) {
if(!$query_id) {
$query_id = $this->query_result;
}
if($query_id) {
$result = @mysql_field_type($query_id, $offset);
return $result;
} else {
return false;
}
}
function fetchrow($query_id = 0) {
if(!$query_id) {
$query_id = $this->query_result;
}
if($query_id) {
$this->row[$query_id] = @mysql_fetch_array($query_id);
return $this->row[$query_id];
} else {
return false;
}
}
function fetchrowset($query_id = 0) {
if(!$query_id) {
$query_id = $this->query_result;
}
if($query_id) {
$result = array();
unset($this->rowset[$query_id]);
unset($this->row[$query_id]);
while($this->rowset[$query_id] = @mysql_fetch_array($query_id)) {
$result[] = $this->rowset[$query_id];
}
return $result;
} else {
return false;
}
}
function fetchfield($field, $rownum = -1, $query_id = 0) {
if(!$query_id) {
$query_id = $this->query_result;
}
if($query_id) {
if($rownum > -1) {
$result = @mysql_result($query_id, $rownum, $field);
} else {
if(empty($this->row[$query_id]) && empty($this->rowset[$query_id])) {
if($this->fetchrow()) {
$result = $this->row[$query_id][$field];
}
} else {
if($this->rowset[$query_id]) {
$result = $this->rowset[$query_id][$field];
} else if($this->row[$query_id]) {
$result = $this->row[$query_id][$field];
}
}
}
return $result;
} else {
return false;
}
}
function rowseek($rownum, $query_id = 0){
if(!$query_id) {
$query_id = $this->query_result;
}
if($query_id) {
$result = @mysql_data_seek($query_id, $rownum);
return $result;
} else {
return false;
}
}
function nextid(){
if($this->db_connect_id) {
$result = @mysql_insert_id($this->db_connect_id);
return $result;
} else {
return false;
}
}
function freeresult($query_id = 0){
if(!$query_id) {
$query_id = $this->query_result;
}
if ( $query_id ) {
unset($this->row[$query_id]);
unset($this->rowset[$query_id]);
@mysql_free_result($query_id);
return true;
} else {
return false;
}
}
function error($query_id = 0) {
$result["message"] = @mysql_error($this->db_connect_id);
$result["code"] = @mysql_errno($this->db_connect_id);
return $result;
}
}
?>