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Code Issues Projects Releases Wiki Activity

Feature #272 - Cleaning of the file text.lib.php. Making the function date_to_str_ago() more conveniet for use.

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skala
Ivan Tcholakov 15 years ago
parent 0efe38e650
commit a25bbccd42
1 changed files with 142 additions and 205 deletions
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  1. 347
      main/inc/lib/text.lib.php

347
main/inc/lib/text.lib.php
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@ -1,19 +1,14 @@
<?php // $Id: text.lib.php 20709 2009-05-15 19:12:37Z ivantcholakov $
/* For licensing terms, see /dokeos_license.txt */
<?php
/* For licensing terms, see /license.txt */
/**
==============================================================================
* This is the text library for Dokeos.
* Include/require it in your code to use its functionality.
*
* @package dokeos.library
==============================================================================
*/
* This is the text library for Chamilo.
* Include/require it in your code to use its functionality.
*
* @package chamilo.library
*/
/*
==============================================================================
FUNCTIONS
==============================================================================
*/
/* FUNCTIONS */
/**
* function make_clickable($string)
@ -39,95 +34,57 @@
* have it require something like xxxx@yyyy.zzzz or such. We'll see.
*/
function make_clickable($string)
{
if(!stristr($string,' src=') && !stristr($string,' href='))
{
$string=eregi_replace("(https?|ftp)://([a-z0-9#?/&=._+:~%-]+)","<a href=\"\\1://\\2\" target=\"_blank\">\\1://\\2</a>",$string);
$string=eregi_replace("([a-z0-9_.-]+@[a-z0-9.-]+)","<a href=\"mailto:\\1\">\\1</a>",$string);
function make_clickable($string) {
// TODO: eregi_replace() is deprecated as of PHP 5.3
if (!stristr($string, ' src=') && !stristr($string, ' href=')) {
$string = eregi_replace("(https?|ftp)://([a-z0-9#?/&=._+:~%-]+)", "<a href=\"\\1://\\2\" target=\"_blank\">\\1://\\2</a>", $string);
$string = eregi_replace("([a-z0-9_.-]+@[a-z0-9.-]+)", "<a href=\"mailto:\\1\">\\1</a>", $string);
}
return $string;
}
/**
* formats the date according to the locale settings
* Formats the date according to the locale settings
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @author Christophe Gesch<EFBFBD> <gesche@ipm.ucl.ac.be>
* @author Christophe Gesché <gesche@ipm.ucl.ac.be>
* originally inspired from from PhpMyAdmin
* @param string $date_format date pattern
* @param integer $time_stamp, default is NOW.
* @return the formatted date
*/
function format_locale_date($date_format, $time_stamp = -1, $language = null)
{
/*
static $initialized = false;
static $days_short, $days_long, $months_short, $months_long;
if (!$initialized)
{
// Defining the shorts for the days
$days_short = array (get_lang("SundayShort"), get_lang("MondayShort"), get_lang("TuesdayShort"), get_lang("WednesdayShort"), get_lang("ThursdayShort"), get_lang("FridayShort"), get_lang("SaturdayShort"));
// Defining the days of the week to allow translation of the days
$days_long = array (get_lang("SundayLong"), get_lang("MondayLong"), get_lang("TuesdayLong"), get_lang("WednesdayLong"), get_lang("ThursdayLong"), get_lang("FridayLong"), get_lang("SaturdayLong"));
// Defining the shorts for the months
$months_short = array (get_lang("JanuaryShort"), get_lang("FebruaryShort"), get_lang("MarchShort"), get_lang("AprilShort"), get_lang("MayShort"), get_lang("JuneShort"), get_lang("JulyShort"), get_lang("AugustShort"), get_lang("SeptemberShort"), get_lang("OctoberShort"), get_lang("NovemberShort"), get_lang("DecemberShort"));
// Defining the months of the year to allow translation of the months
$months_long = array (get_lang("JanuaryLong"), get_lang("FebruaryLong"), get_lang("MarchLong"), get_lang("AprilLong"), get_lang("MayLong"), get_lang("JuneLong"), get_lang("JulyLong"), get_lang("AugustLong"), get_lang("SeptemberLong"), get_lang("OctoberLong"), get_lang("NovemberLong"), get_lang("DecemberLong"));
$initialized = true;
}
if ($time_stamp == -1) $time_stamp = time();
// with the ereg we replace %aAbB of date format
//(they can be done by the system when locale date aren't aivailable
$date = ereg_replace('%[A]', $days_long[(int)strftime('%w', $time_stamp)], $date_format);
$date = ereg_replace('%[a]', $days_short[(int)strftime('%w', $time_stamp)], $date);
$date = ereg_replace('%[B]', $months_long[(int)strftime('%m', $time_stamp)-1], $date);
$date = ereg_replace('%[b]', $months_short[(int)strftime('%m', $time_stamp)-1], $date);
return strftime($date, $time_stamp);
*/
function format_locale_date($date_format, $time_stamp = -1, $language = null) {
return api_format_date($date_format, $time_stamp, $language);
} // end function format_locale_date
}
/**
* @desc this function does some parsing on the text that gets inputted. This parsing can be of any kind
* LaTeX notation, Word Censoring, Glossary Terminology (extension will available soon), Musical Notations, ...
* The inspiration for this filter function came from Moodle an phpBB who both use a similar approach
* @param $input string. some text
* @return $output string. some text that contains the parsed elements.
* @example [tex]\sqrt(2)[/tex]
* @author Patrick Cool <patrick.cool@UGent.be>
* @version March 2OO6
*/
function text_filter($input, $filter=true)
{
* @desc This function does some parsing on the text that gets inputted. This parsing can be of any kind
* LaTeX notation, Word Censoring, Glossary Terminology (extension will available soon), Musical Notations, ...
* The inspiration for this filter function came from Moodle an phpBB who both use a similar approach
* @param $input string. some text
* @return $output string. some text that contains the parsed elements.
* @example [tex]\sqrt(2)[/tex]
* @author Patrick Cool <patrick.cool@UGent.be>
* @version March 2OO6
*/
function text_filter($input, $filter = true) {
//$input=stripslashes($input);
//$input = stripslashes($input);
if ($filter==true)
{
if ($filter) {
// *** parse [tex]...[/tex] tags *** //
// which will return techexplorer or image html depending on the capabilities of the
// browser of the user (using some javascript that checks if the browser has the TechExplorer plugin installed or not)
$input=_text_parse_tex($input);
$input = _text_parse_tex($input);
// *** parse [teximage]...[/teximage] tags *** //
// these force the gif rendering of LaTeX using the mimetex gif renderer
//$input=_text_parse_tex_image($input);
// *** parse [texexplorer]...[/texexplorer] tags *** //
// these force the texeplorer LaTeX notation
$input=_text_parse_texexplorer($input);
$input = _text_parse_texexplorer($input);
// *** Censor Words *** //
// censor words. This function removes certain words by [censored]
@ -135,8 +92,8 @@ function text_filter($input, $filter=true)
// $input=text_censor_words($input);
// *** parse [?]...[/?] tags *** //
// for the glossary tool (see http://www.dokeos.com/extensions)
$input=_text_parse_glossary($input);
// for the glossary tool
$input = _text_parse_glossary($input);
// parse [wiki]...[/wiki] tags
// this is for the coolwiki plugin.
@ -156,9 +113,8 @@ function text_filter($input, $filter=true)
return $input;
}
/**
* Apply parsing to content to parse tex commandos that are seperated by [tex]
* Applies parsing for tex commandos that are seperated by [tex]
* [/tex] to make it readable for techexplorer plugin.
* This function should not be accessed directly but should be accesse through the text_filter function
* @param string $text The text to parse
@ -166,21 +122,17 @@ function text_filter($input, $filter=true)
* @author Patrick Cool <patrick.cool@UGent.be>
* @version June 2004
*/
function _text_parse_tex($textext)
{
function _text_parse_tex($textext) {
//$textext = str_replace(array ("[tex]", "[/tex]"), array ('[*****]', '[/*****]'), $textext);
//$textext=stripslashes($texttext);
$input_array=preg_split("/(\[tex]|\[\/tex])/",$textext,-1, PREG_SPLIT_DELIM_CAPTURE);
$input_array = preg_split("/(\[tex]|\[\/tex])/", $textext, -1, PREG_SPLIT_DELIM_CAPTURE);
foreach ($input_array as $key=>$value)
{
if ($key>0 && $input_array[$key-1]=='[tex]' AND $input_array[$key+1]=='[/tex]')
{
$input_array[$key]=latex_gif_renderer($value);
unset($input_array[$key-1]);
unset($input_array[$key+1]);
foreach ($input_array as $key => $value) {
if ($key > 0 && $input_array[$key - 1] == '[tex]' AND $input_array[$key + 1] == '[/tex]') {
$input_array[$key] = latex_gif_renderer($value);
unset($input_array[$key - 1]);
unset($input_array[$key + 1]);
//echo 'LaTeX: <embed type="application/x-techexplorer" texdata="'.stripslashes($value).'" autosize="true" pluginspage="http://www.integretechpub.com/techexplorer/"><br />';
}
}
@ -188,8 +140,9 @@ function _text_parse_tex($textext)
$output=implode('',$input_array);
return $output;
}
/**
* Apply parsing to content to parse tex commandos that are seperated by [tex]
* Applies parsing for tex commandos that are seperated by [tex]
* [/tex] to make it readable for techexplorer plugin.
* This function should not be accessed directly but should be accesse through the text_filter function
* @param string $text The text to parse
@ -197,25 +150,21 @@ function _text_parse_tex($textext)
* @author Patrick Cool <patrick.cool@UGent.be>
* @version June 2004
*/
function _text_parse_texexplorer($textext)
{
if (strstr($_SERVER['HTTP_USER_AGENT'], 'MSIE'))
{
$textext = str_replace(array ("[texexplorer]", "[/texexplorer]"), array ("<object classid=\"clsid:5AFAB315-AD87-11D3-98BB-002035EFB1A4\"><param name=\"autosize\" value=\"true\" /><param name=\"DataType\" value=\"0\" /><param name=\"Data\" value=\"", "\" /></object>"), $textext);
}
else
{
$textext = str_replace(array ("[texexplorer]", "[/texexplorer]"), array ("<embed type=\"application/x-techexplorer\" texdata=\"", "\" autosize=\"true\" pluginspage=\"http://www.integretechpub.com/techexplorer/\">"), $textext);
function _text_parse_texexplorer($textext) {
if (strstr($_SERVER['HTTP_USER_AGENT'], 'MSIE')) {
$textext = str_replace(array("[texexplorer]", "[/texexplorer]"), array("<object classid=\"clsid:5AFAB315-AD87-11D3-98BB-002035EFB1A4\"><param name=\"autosize\" value=\"true\" /><param name=\"DataType\" value=\"0\" /><param name=\"Data\" value=\"", "\" /></object>"), $textext);
} else {
$textext = str_replace(array("[texexplorer]", "[/texexplorer]"), array("<embed type=\"application/x-techexplorer\" texdata=\"", "\" autosize=\"true\" pluginspage=\"http://www.integretechpub.com/techexplorer/\">"), $textext);
}
return $textext;
}
/**
* This function should not be accessed directly but should be accesse through the text_filter function
* @author Patrick Cool <patrick.cool@UGent.be>
*/
function _text_parse_glossary($input)
{
function _text_parse_glossary($input) {
return $input;
}
@ -224,46 +173,37 @@ function _text_parse_glossary($input)
* This function should not be accessed directly but should be accesse through the text_filter function
* @author Patrick Cool <patrick.cool@UGent.be>
*/
function _text_parse_tool($input)
{
function _text_parse_tool($input) {
// an array with all the valid tools
$tools[]=array(TOOL_ANNOUNCEMENT, 'announcements/announcements.php');
$tools[]=array(TOOL_CALENDAR_EVENT, 'calendar/agenda.php');
$tools[] = array(TOOL_ANNOUNCEMENT, 'announcements/announcements.php');
$tools[] = array(TOOL_CALENDAR_EVENT, 'calendar/agenda.php');
// check if the name between the [tool] [/tool] tags is a valid one
}
/**
* render LaTeX code into a gif or retrieve a cached version of the gif
* @author Patrick Cool <patrick.cool@UGent.be> Ghent University
*/
function latex_gif_renderer($latex_code)
{
function latex_gif_renderer($latex_code) {
global $_course;
// setting the paths and filenames
$mimetex_path=api_get_path(LIBRARY_PATH).'mimetex/';
$temp_path=api_get_path(SYS_COURSE_PATH).$_course['path'].'/temp/';
$latex_filename=md5($latex_code).'.gif';
if(!file_exists($temp_path.$latex_filename) OR isset($_GET['render']))
{
if ((PHP_OS == "WINNT") || (PHP_OS == "WIN32") || (PHP_OS == "Windows"))
{
$mimetex_command=$mimetex_path.'mimetex.exe -e "'.$temp_path.md5($latex_code).'.gif" '.escapeshellarg($latex_code).'';
}
else
{
$mimetex_command=$mimetex_path.'mimetex.linux -e "'.$temp_path.md5($latex_code).'.gif" '.escapeshellarg($latex_code);
$mimetex_path = api_get_path(LIBRARY_PATH).'mimetex/';
$temp_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/temp/';
$latex_filename = md5($latex_code).'.gif';
if (!file_exists($temp_path.$latex_filename) OR isset($_GET['render'])) {
if ((PHP_OS == "WINNT") || (PHP_OS == "WIN32") || (PHP_OS == "Windows")) {
$mimetex_command = $mimetex_path.'mimetex.exe -e "'.$temp_path.md5($latex_code).'.gif" '.escapeshellarg($latex_code).'';
} else {
$mimetex_command = $mimetex_path.'mimetex.linux -e "'.$temp_path.md5($latex_code).'.gif" '.escapeshellarg($latex_code);
}
exec($mimetex_command);
//echo 'volgende shell commando werd uitgevoerd:<br /><pre>'.$mimetex_command.'</pre><hr>';
}
$return = "<a href=\"\" onclick=\"newWindow=window.open('".api_get_path(WEB_CODE_PATH)."inc/latex.php?code=".urlencode($latex_code)."&amp;filename=$latex_filename','latexCode','toolbar=no,location=no,scrollbars=yes,resizable=yes,status=yes,width=375,height=250,left=200,top=100');\">";
$return = "<a href=\"\" onclick=\"javascript: newWindow=window.open('".api_get_path(WEB_CODE_PATH)."inc/latex.php?code=".urlencode($latex_code)."&amp;filename=$latex_filename','latexCode','toolbar=no,location=no,scrollbars=yes,resizable=yes,status=yes,width=375,height=250,left=200,top=100');\">";
$return .= '<img src="'.api_get_path(WEB_COURSE_PATH).$_course['path'].'/temp/'.$latex_filename.'" alt="'.$latex_code.'" border="0" /></a>';
return $return;
}
@ -279,8 +219,8 @@ function latex_gif_renderer($latex_code)
* @author Julio Montoya
*/
function date_to_str_ago($date)
{
function date_to_str_ago($date) {
static $initialized = false;
static $today, $yesterday;
static $min_decade, $min_year, $min_month, $min_week, $min_day, $min_hour, $min_minute;
@ -291,105 +231,106 @@ function date_to_str_ago($date)
$today = api_ucfirst(get_lang('Today'));
$yesterday = api_ucfirst(get_lang('Yesterday'));
$min_decade=get_lang('MinDecade');
$min_year=get_lang('MinYear');
$min_month=get_lang('MinMonth');
$min_week=get_lang('MinWeek');
$min_day=get_lang('MinDay');
$min_hour=get_lang('MinHour');
$min_minute=get_lang('MinMinute');
$min_decades=get_lang('MinDecades');
$min_years=get_lang('MinYears');
$min_months=get_lang('MinMonths');
$min_weeks=get_lang('MinWeeks');
$min_days=get_lang('MinDays');
$min_hours=get_lang('MinHours');
$min_minutes=get_lang('MinMinutes');
$min_decade = get_lang('MinDecade');
$min_year = get_lang('MinYear');
$min_month = get_lang('MinMonth');
$min_week = get_lang('MinWeek');
$min_day = get_lang('MinDay');
$min_hour = get_lang('MinHour');
$min_minute = get_lang('MinMinute');
$min_decades = get_lang('MinDecades');
$min_years = get_lang('MinYears');
$min_months = get_lang('MinMonths');
$min_weeks = get_lang('MinWeeks');
$min_days = get_lang('MinDays');
$min_hours = get_lang('MinHours');
$min_minutes = get_lang('MinMinutes');
// original 1
//$sec_time=array("century"=>3.1556926*pow(10,9),"decade"=>315569260,"year"=>31556926,"month"=>2629743.83,"week"=>604800,"day"=>86400,"hour"=>3600,"minute"=>60,"second"=>1);
//$sec_time=array(get_lang('MinDecade')=>315569260,get_lang('MinYear')=>31556926,get_lang('MinMonth')=>2629743.83,get_lang('MinWeek')=>604800,get_lang('MinDay')=>86400,get_lang('MinHour')=>3600,get_lang('MinMinute')=>60);
$sec_time_time=array(315569260,31556926,2629743.83,604800,86400,3600,60);
$sec_time_sing=array($min_decade,$min_year,$min_month,$min_week,$min_day,$min_hour,$min_minute);
$sec_time_plu =array($min_decades,$min_years,$min_months,$min_weeks,$min_days,$min_hours,$min_minutes);
$sec_time_time = array(315569260, 31556926, 2629743.83, 604800, 86400, 3600, 60);
$sec_time_sing = array($min_decade, $min_year, $min_month, $min_week, $min_day, $min_hour, $min_minute);
$sec_time_plu = array($min_decades, $min_years, $min_months, $min_weeks, $min_days, $min_hours, $min_minutes);
$initialized = true;
}
$dst_date=strtotime($date);
//for not call date several times
$date_array=date("s/i/G/j/n/Y",$dst_date);
$date_split=explode("/",$date_array);
$dst_date = is_string($date) ? strtotime($date) : $date;
// For avoiding calling date() several times
$date_array = date('s/i/G/j/n/Y', $dst_date);
$date_split = explode('/', $date_array);
$dst_s=$date_split[0];
$dst_m=$date_split[1];
$dst_h=$date_split[2];
$dst_day=$date_split[3];
$dst_mth=$date_split[4];
$dst_yr=$date_split[5];
$dst_s = $date_split[0];
$dst_m = $date_split[1];
$dst_h = $date_split[2];
$dst_day = $date_split[3];
$dst_mth = $date_split[4];
$dst_yr = $date_split[5];
$dst_date = mktime($dst_h,$dst_m,$dst_s,$dst_mth,$dst_day,$dst_yr);
$time=$offset = time()-$dst_date; //seconds between current days and today
$dst_date = mktime($dst_h, $dst_m, $dst_s, $dst_mth, $dst_day, $dst_yr);
$time = $offset = time() - $dst_date; // Seconds between current days and today.
//------------ Here start the functions sec_to_str
$act_day=date('d');
$act_mth=date('n');
// Here start the functions sec_to_str()
$act_day = date('d');
$act_mth = date('n');
$act_yr = date('Y');
if ($dst_day==$act_day && $dst_mth==$act_mth && $dst_yr == $act_yr ) {
if ($dst_day == $act_day && $dst_mth == $act_mth && $dst_yr == $act_yr) {
return $today;
}
if ($dst_day==$act_day-1 && $dst_mth==$act_mth && $dst_yr == $act_yr ) {
if ($dst_day == $act_day - 1 && $dst_mth == $act_mth && $dst_yr == $act_yr) {
return $yesterday;
}
$str_result=array();
$time_result=array();
$key_result=array();
$str_result = array();
$time_result = array();
$key_result = array();
$str='';
$i=0;
for ($i=0;$i<count($sec_time_time);$i++) {
$seconds=$sec_time_time[$i];
if($seconds > $time) {
$str = '';
$i = 0;
for ($i = 0; $i < count($sec_time_time); $i++) {
$seconds = $sec_time_time[$i];
if ($seconds > $time) {
continue;
}
$current_value=intval($time/$seconds);
$current_value = intval($time/$seconds);
if ($current_value != 1) {
$date_str= $sec_time_plu[$i];
$date_str = $sec_time_plu[$i];
} else {
$date_str= $sec_time_sing[$i];
$date_str = $sec_time_sing[$i];
}
$key_result[]=$sec_time_sing[$i];
$key_result[] = $sec_time_sing[$i];
$str_result[]=$current_value.' '.$date_str;
$time_result[]= $current_value;
$str.=$current_value.$date_str;
$time%=$seconds;
$str_result[] = $current_value.' '.$date_str;
$time_result[] = $current_value;
$str .= $current_value.$date_str;
$time %= $seconds;
}
if ($key_result[0]== $min_day && $key_result[1]== $min_minute) {
$key_result[1]=' 0 '.$min_hours;
$str_result[0]=$time_result[0].' '.$key_result[0];
$str_result[1]=$key_result[1];
if ($key_result[0] == $min_day && $key_result[1]== $min_minute) {
$key_result[1] = ' 0 '.$min_hours;
$str_result[0] = $time_result[0].' '.$key_result[0];
$str_result[1] = $key_result[1];
}
if ($key_result[0]== $min_year && ($key_result[1]== $min_day || $key_result[1]== $min_week)) {
$key_result[1]=' 0 '.$min_months;
$str_result[0]=$time_result[0].' '.$key_result[0];
$str_result[1]=$key_result[1];
if ($key_result[0] == $min_year && ($key_result[1] == $min_day || $key_result[1] == $min_week)) {
$key_result[1] = ' 0 '.$min_months;
$str_result[0] = $time_result[0].' '.$key_result[0];
$str_result[1] = $key_result[1];
}
if (!empty($str_result[1])) {
$str=$str_result[0].', '.$str_result[1];
$str = $str_result[0].', '.$str_result[1];
} else {
$str=$str_result[0];
$str = $str_result[0];
}
return $str;
}
/**
* This functions cuts a paragraph
* i.e cut('Merry Xmas from Lima',13) = "Merry Xmas fr..."
@ -398,17 +339,16 @@ function date_to_str_ago($date)
* @param bool Whether to embed in a <span title="...">...</span>
* @return string
* */
function cut($text,$maxchar,$embed=false)
{
function cut($text, $maxchar, $embed = false) {
if (api_strlen($text) > $maxchar) {
if ($embed==true) {
if ($embed) {
return '<span title="'.$text.'">'.api_substr($text, 0, $maxchar).'...</span>';
}
return api_substr($text, 0, $maxchar).'...' ;
} else {
return $text;
}
return $text;
}
/**
* Show a number as only integers if no decimals, but will show 2 decimals if exist.
*
@ -416,8 +356,7 @@ function cut($text,$maxchar,$embed=false)
* @param int decimal points 0=never, 1=if needed, 2=always
* @return mixed an integer or a float depends on the parameter
*/
function float_format($number, $flag = 1)
{
function float_format($number, $flag = 1) {
if (is_numeric($number)) { // a number
if (!$number) { // zero
$result = ($flag == 2 ? '0.00' : '0'); // output zero
@ -434,23 +373,21 @@ function float_format($number, $flag = 1)
/**
* Function to obtain last week timestamps
* @return array times for every day inside week
* @return array times for every day inside week
*/
function get_last_week() {
$week = date('W');
$year = date('Y');
$lastweek=$week-1;
if ($lastweek==0){
$lastweek = $week - 1;
if ($lastweek == 0) {
$week = 52;
$year--;
}
$lastweek=sprintf("%02d", $lastweek);
for ($i=1;$i<=7;$i++){
$arrdays[] = strtotime("$year". "W$lastweek"."$i");
$lastweek = sprintf("%02d", $lastweek);
for ($i=1; $i<=7; $i++) {
$arrdays[] = strtotime("$year"."W$lastweek"."$i");
}
return $arrdays;
}
?>

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