diff options
Diffstat (limited to 'system/helpers/date_helper.php')
-rw-r--r-- | system/helpers/date_helper.php | 343 |
1 files changed, 170 insertions, 173 deletions
diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php index f1ba364f5..c601dc9e5 100644 --- a/system/helpers/date_helper.php +++ b/system/helpers/date_helper.php @@ -37,20 +37,20 @@ // ------------------------------------------------------------------------ -/** - * Get "now" time - * - * Returns time() or its GMT equivalent based on the config file preference - * - * @return int - */ if ( ! function_exists('now')) { + /** + * Get "now" time + * + * Returns time() or its GMT equivalent based on the config file preference + * + * @return int + */ function now() { $CI =& get_instance(); - if (strtolower($CI->config->item('time_reference')) == 'gmt') + if (strtolower($CI->config->item('time_reference')) === 'gmt') { $now = time(); $system_time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now)); @@ -70,37 +70,37 @@ if ( ! function_exists('now')) // ------------------------------------------------------------------------ -/** - * Convert MySQL Style Datecodes - * - * This function is identical to PHPs date() function, - * except that it allows date codes to be formatted using - * the MySQL style, where each code letter is preceded - * with a percent sign: %Y %m %d etc... - * - * The benefit of doing dates this way is that you don't - * have to worry about escaping your text letters that - * match the date codes. - * - * @param string - * @param int - * @return int - */ if ( ! function_exists('mdate')) { + /** + * Convert MySQL Style Datecodes + * + * This function is identical to PHPs date() function, + * except that it allows date codes to be formatted using + * the MySQL style, where each code letter is preceded + * with a percent sign: %Y %m %d etc... + * + * The benefit of doing dates this way is that you don't + * have to worry about escaping your text letters that + * match the date codes. + * + * @param string + * @param int + * @return int + */ function mdate($datestr = '', $time = '') { - if ($datestr == '') + if ($datestr === '') { return ''; } - $time = ($time == '') ? now() : $time; + $time = ($time === '') ? now() : $time; $datestr = str_replace( '%\\', '', - preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr) + preg_replace('/([a-z]+?){1}/i', '\\\\\\1', $datestr) ); return date($datestr, $time); @@ -109,17 +109,17 @@ if ( ! function_exists('mdate')) // ------------------------------------------------------------------------ -/** - * Standard Date - * - * Returns a date formatted according to the submitted standard. - * - * @param string the chosen format - * @param int Unix timestamp - * @return string - */ if ( ! function_exists('standard_date')) { + /** + * Standard Date + * + * Returns a date formatted according to the submitted standard. + * + * @param string the chosen format + * @param int Unix timestamp + * @return string + */ function standard_date($fmt = 'DATE_RFC822', $time = '') { $formats = array( @@ -146,19 +146,19 @@ if ( ! function_exists('standard_date')) // ------------------------------------------------------------------------ -/** - * Timespan - * - * Returns a span of seconds in this format: - * 10 days 14 hours 36 minutes 47 seconds - * - * @param int a number of seconds - * @param int Unix timestamp - * @param int a number of display units - * @return string - */ if ( ! function_exists('timespan')) { + /** + * Timespan + * + * Returns a span of seconds in this format: + * 10 days 14 hours 36 minutes 47 seconds + * + * @param int a number of seconds + * @param int Unix timestamp + * @param int a number of display units + * @return string + */ function timespan($seconds = 1, $time = '', $units = 7) { $CI =& get_instance(); @@ -261,18 +261,18 @@ if ( ! function_exists('timespan')) // ------------------------------------------------------------------------ -/** - * Number of days in a month - * - * Takes a month/year as input and returns the number of days - * for the given month/year. Takes leap years into consideration. - * - * @param int a numeric month - * @param int a numeric year - * @return int - */ if ( ! function_exists('days_in_month')) { + /** + * Number of days in a month + * + * Takes a month/year as input and returns the number of days + * for the given month/year. Takes leap years into consideration. + * + * @param int a numeric month + * @param int a numeric year + * @return int + */ function days_in_month($month = 0, $year = '') { if ($month < 1 OR $month > 12) @@ -280,14 +280,14 @@ if ( ! function_exists('days_in_month')) return 0; } - if ( ! is_numeric($year) OR strlen($year) != 4) + if ( ! is_numeric($year) OR strlen($year) !== 4) { $year = date('Y'); } if ($month == 2) { - if ($year % 400 == 0 OR ($year % 4 == 0 && $year % 100 != 0)) + if ($year % 400 === 0 OR ($year % 4 === 0 && $year % 100 !== 0)) { return 29; } @@ -300,58 +300,58 @@ if ( ! function_exists('days_in_month')) // ------------------------------------------------------------------------ -/** - * Converts a local Unix timestamp to GMT - * - * @param int Unix timestamp - * @return int - */ if ( ! function_exists('local_to_gmt')) { + /** + * Converts a local Unix timestamp to GMT + * + * @param int Unix timestamp + * @return int + */ function local_to_gmt($time = '') { - if ($time == '') + if ($time === '') { $time = time(); } return mktime( - gmdate("H", $time), - gmdate("i", $time), - gmdate("s", $time), - gmdate("m", $time), - gmdate("d", $time), - gmdate("Y", $time) + gmdate('H', $time), + gmdate('i', $time), + gmdate('s', $time), + gmdate('m', $time), + gmdate('d', $time), + gmdate('Y', $time) ); } } // ------------------------------------------------------------------------ -/** - * Converts GMT time to a localized value - * - * Takes a Unix timestamp (in GMT) as input, and returns - * at the local value based on the timezone and DST setting - * submitted - * - * @param int Unix timestamp - * @param string timezone - * @param bool whether DST is active - * @return int - */ if ( ! function_exists('gmt_to_local')) { + /** + * Converts GMT time to a localized value + * + * Takes a Unix timestamp (in GMT) as input, and returns + * at the local value based on the timezone and DST setting + * submitted + * + * @param int Unix timestamp + * @param string timezone + * @param bool whether DST is active + * @return int + */ function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE) { - if ($time == '') + if ($time === '') { return now(); } $time += timezones($timezone) * 3600; - if ($dst == TRUE) + if ($dst === TRUE) { $time += 3600; } @@ -362,14 +362,14 @@ if ( ! function_exists('gmt_to_local')) // ------------------------------------------------------------------------ -/** - * Converts a MySQL Timestamp to Unix - * - * @param int Unix timestamp - * @return int - */ if ( ! function_exists('mysql_to_unix')) { + /** + * Converts a MySQL Timestamp to Unix + * + * @param int Unix timestamp + * @return int + */ function mysql_to_unix($time = '') { // We'll remove certain characters for backward compatibility @@ -394,23 +394,23 @@ if ( ! function_exists('mysql_to_unix')) // ------------------------------------------------------------------------ -/** - * Unix to "Human" - * - * Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM - * - * @param int Unix timestamp - * @param bool whether to show seconds - * @param string format: us or euro - * @return string - */ if ( ! function_exists('unix_to_human')) { + /** + * Unix to "Human" + * + * Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM + * + * @param int Unix timestamp + * @param bool whether to show seconds + * @param string format: us or euro + * @return string + */ function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us') { $r = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' '; - if ($fmt == 'us') + if ($fmt === 'us') { $r .= date('h', $time).':'.date('i', $time); } @@ -424,7 +424,7 @@ if ( ! function_exists('unix_to_human')) $r .= ':'.date('s', $time); } - if ($fmt == 'us') + if ($fmt === 'us') { $r .= ' '.date('A', $time); } @@ -435,25 +435,24 @@ if ( ! function_exists('unix_to_human')) // ------------------------------------------------------------------------ -/** - * Convert "human" date to GMT - * - * Reverses the above process - * - * @param string format: us or euro - * @return int - */ if ( ! function_exists('human_to_unix')) { + /** + * Convert "human" date to GMT + * + * Reverses the above process + * + * @param string format: us or euro + * @return int + */ function human_to_unix($datestr = '') { - if ($datestr == '') + if ($datestr === '') { return FALSE; } - $datestr = trim($datestr); - $datestr = preg_replace("/\040+/", ' ', $datestr); + $datestr = preg_replace('/\040+/', ' ', trim($datestr)); if ( ! preg_match('/^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\s[0-9]{1,2}:[0-9]{1,2}(?::[0-9]{1,2})?(?:\s[AP]M)?$/i', $datestr)) { @@ -462,20 +461,20 @@ if ( ! function_exists('human_to_unix')) $split = explode(' ', $datestr); - $ex = explode("-", $split['0']); + $ex = explode('-', $split['0']); - $year = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0']; - $month = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1']; - $day = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2']; + $year = (strlen($ex[0]) === 2) ? '20'.$ex[0] : $ex[0]; + $month = (strlen($ex[1]) === 1) ? '0'.$ex[1] : $ex[1]; + $day = (strlen($ex[2]) === 1) ? '0'.$ex[2] : $ex[2]; - $ex = explode(":", $split['1']); + $ex = explode(':', $split['1']); - $hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0']; - $min = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1']; + $hour = (strlen($ex[0]) === 1) ? '0'.$ex[0] : $ex[0]; + $min = (strlen($ex[1]) === 1) ? '0'.$ex[1] : $ex[1]; - if (isset($ex['2']) && preg_match('/[0-9]{1,2}/', $ex['2'])) + if (isset($ex[2]) && preg_match('/[0-9]{1,2}/', $ex[2])) { - $sec = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2']; + $sec = (strlen($ex[2]) === 1) ? '0'.$ex[2] : $ex[2]; } else { @@ -483,13 +482,13 @@ if ( ! function_exists('human_to_unix')) $sec = '00'; } - if (isset($split['2'])) + if (isset($split[2])) { - $ampm = strtolower($split['2']); + $ampm = strtolower($split[2]); if (substr($ampm, 0, 1) === 'p' && $hour < 12) { - $hour = $hour + 12; + $hour += 12; } if (substr($ampm, 0, 1) === 'a' && $hour == 12) @@ -497,7 +496,7 @@ if ( ! function_exists('human_to_unix')) $hour = '00'; } - if (strlen($hour) == 1) + if (strlen($hour) === 1) { $hour = '0'.$hour; } @@ -509,16 +508,16 @@ if ( ! function_exists('human_to_unix')) // ------------------------------------------------------------------------ -/** - * Turns many "reasonably-date-like" strings into something - * that is actually useful. This only works for dates after unix epoch. - * - * @param string The terribly formatted date-like string - * @param string Date format to return (same as php date function) - * @return string - */ if ( ! function_exists('nice_date')) { + /** + * Turns many "reasonably-date-like" strings into something + * that is actually useful. This only works for dates after unix epoch. + * + * @param string The terribly formatted date-like string + * @param string Date format to return (same as php date function) + * @return string + */ function nice_date($bad_date = '', $format = FALSE) { if (empty($bad_date)) @@ -529,7 +528,7 @@ if ( ! function_exists('nice_date')) // Date like: YYYYMM if (preg_match('/^\d{6}$/', $bad_date)) { - if (in_array(substr($bad_date, 0, 2),array('19', '20'))) + if (in_array(substr($bad_date, 0, 2), array('19', '20'))) { $year = substr($bad_date, 0, 4); $month = substr($bad_date, 4, 2); @@ -540,32 +539,32 @@ if ( ! function_exists('nice_date')) $year = substr($bad_date, 2, 4); } - return date($format, strtotime($year . '-' . $month . '-01')); + return date($format, strtotime($year.'-'.$month.'-01')); } // Date Like: YYYYMMDD - if (preg_match('/^\d{8}$/',$bad_date)) + if (preg_match('/^\d{8}$/', $bad_date)) { $month = substr($bad_date, 0, 2); $day = substr($bad_date, 2, 2); $year = substr($bad_date, 4, 4); - return date($format, strtotime($month . '/01/' . $year)); + return date($format, strtotime($month.'/01/'.$year)); } // Date Like: MM-DD-YYYY __or__ M-D-YYYY (or anything in between) - if (preg_match('/^\d{1,2}-\d{1,2}-\d{4}$/',$bad_date)) + if (preg_match('/^\d{1,2}-\d{1,2}-\d{4}$/', $bad_date)) { list($m, $d, $y) = explode('-', $bad_date); - return date($format, strtotime("{$y}-{$m}-{$d}")); + return date($format, strtotime($y.'-'.$m.'-'.$d)); } // Any other kind of string, when converted into UNIX time, // produces "0 seconds after epoc..." is probably bad... // return "Invalid Date". - if (date('U', strtotime($bad_date)) == '0') + if (date('U', strtotime($bad_date)) === '0') { - return "Invalid Date"; + return 'Invalid Date'; } // It's probably a valid-ish date format already @@ -575,28 +574,28 @@ if ( ! function_exists('nice_date')) // ------------------------------------------------------------------------ -/** - * Timezone Menu - * - * Generates a drop-down menu of timezones. - * - * @param string timezone - * @param string classname - * @param string menu name - * @return string - */ if ( ! function_exists('timezone_menu')) { - function timezone_menu($default = 'UTC', $class = "", $name = 'timezones') + /** + * Timezone Menu + * + * Generates a drop-down menu of timezones. + * + * @param string timezone + * @param string classname + * @param string menu name + * @return string + */ + function timezone_menu($default = 'UTC', $class = '', $name = 'timezones') { $CI =& get_instance(); $CI->lang->load('date'); - $default = ($default == 'GMT') ? 'UTC' : $default; + $default = ($default === 'GMT') ? 'UTC' : $default; $menu = '<select name="'.$name.'"'; - if ($class != '') + if ($class !== '') { $menu .= ' class="'.$class.'"'; } @@ -605,29 +604,27 @@ if ( ! function_exists('timezone_menu')) foreach (timezones() as $key => $val) { - $selected = ($default == $key) ? " selected='selected'" : ''; - $menu .= "<option value='{$key}'{$selected}>".$CI->lang->line($key)."</option>\n"; + $selected = ($default === $key) ? ' selected="selected"' : ''; + $menu .= '<option value="'.$key.'"'.$selected.'>'.$CI->lang->line($key)."</option>\n"; } - $menu .= "</select>"; - - return $menu; + return $menu.'</select>'; } } // ------------------------------------------------------------------------ -/** - * Timezones - * - * Returns an array of timezones. This is a helper function - * for various other ones in this library - * - * @param string timezone - * @return string - */ if ( ! function_exists('timezones')) { + /** + * Timezones + * + * Returns an array of timezones. This is a helper function + * for various other ones in this library + * + * @param string timezone + * @return string + */ function timezones($tz = '') { // Note: Don't change the order of these even though @@ -676,12 +673,12 @@ if ( ! function_exists('timezones')) 'UP14' => +14 ); - if ($tz == '') + if ($tz === '') { return $zones; } - $tz = ($tz == 'GMT') ? 'UTC' : $tz; + $tz = ($tz === 'GMT') ? 'UTC' : $tz; return isset($zones[$tz]) ? $zones[$tz] : 0; } |