PHP wpcf_get_date_format函数代码示例

/**
 * Renders inline JS.
 * TODO this seems DEPRECATED and not used anymore, need to check (although I do not know where)
 */
function wpcf_fields_date_meta_box_js_inline()
{
    $date_format = wpcf_get_date_format();
    $date_format = _wpcf_date_convert_wp_to_js($date_format);
    $date_format_note = '<span style="margin-left:10px"><i>' . esc_js(sprintf(__('Input format: %s', 'wpcf'), wpcf_get_date_format_text())) . '</i></span>';
    $year_range = fields_date_timestamp_neg_supported() ? '1902:2037' : '1970:2037';
    ?>
    <script type="text/javascript">
        //<![CDATA[
        jQuery(document).ready(function(){
            wpcfFieldsDateInit('');
        });
        function wpcfFieldsDateInit(div) {
            if (jQuery.isFunction(jQuery.fn.datepicker)) {
                jQuery(div+' .wpcf-datepicker').each(function(index) {
                    if (!jQuery(this).is(':disabled') && !jQuery(this).hasClass('hasDatepicker')) {
                        jQuery(this).datepicker({
                            showOn: "button",
                            buttonImage: "<?php 
    echo WPCF_EMBEDDED_RES_RELPATH;
    ?>
/images/calendar.gif",
                            buttonImageOnly: true,
                            buttonText: "<?php 
    _e('Select date', 'wpcf');
    ?>
",
                            dateFormat: "<?php 
    echo $date_format;
    ?>
",
                            altFormat: "<?php 
    echo $date_format;
    ?>
",
                            changeMonth: true,
                            changeYear: true,
                            yearRange: "<?php 
    echo $year_range;
    ?>
",
                            onSelect: function(dateText, inst) {
                                jQuery(this).trigger('wpcfDateBlur');
                            }
                        });
                        jQuery(this).next().after('<?php 
    echo $date_format_note;
    ?>
');
                        // Wrap in CSS Scope
                        jQuery("#ui-datepicker-div").each(function(){
                            if (!jQuery(this).hasClass('wpcf-jquery-ui-wrapped')) {
                                jQuery(this).wrap('<div class="wpcf-jquery-ui" />')
                                .addClass('wpcf-jquery-ui-wrapped');
                            }
                        });
                    }
                });
            }
        }
        //]]>
    </script>
    <?php 
}

/**
 * Converts Datepicker to timestamp and checks if valid.
 * @param type $datepicker
 * @return boolean
 */
function wpcf_fields_date_convert_datepicker_to_timestamp($datepicker)
{
    $date_format = wpcf_get_date_format();
    if ($date_format == 'd/m/Y') {
        // strtotime requires a dash or dot separator to determine dd/mm/yyyy format
        $datepicker = str_replace('/', '-', $datepicker);
    }
    $_t = strtotime(strval($datepicker));
    if ($_t == false || !wpcf_fields_date_timestamp_is_valid($_t)) {
        // Failed converting
        return false;
    }
    return $_t;
}

 /**
  * Date validation, determines if the string passed is a valid date.
  * keys that expect full month, day and year will validate leap years
  *
  * @param string $check a valid date string
  * @param mixed $format Use a string or an array of the keys below. Arrays should be passed as array('dmy', 'mdy', etc)
  * 					Keys: dmy 27-12-2006 or 27-12-06 separators can be a space, period, dash, forward slash
  * 							mdy 12-27-2006 or 12-27-06 separators can be a space, period, dash, forward slash
  * 							ymd 2006-12-27 or 06-12-27 separators can be a space, period, dash, forward slash
  * 							dMy 27 December 2006 or 27 Dec 2006
  * 							Mdy December 27, 2006 or Dec 27, 2006 comma is optional
  * 							My December 2006 or Dec 2006
  * 							my 12/2006 separators can be a space, period, dash, forward slash
  * @param string $regex If a custom regular expression is used this is the only validation that will occur.
  * @return boolean Success
  * @access public
  */
 function date($check, $format = 'ymd', $regex = null)
 {
     $date_format = wpcf_get_date_format();
     $cake_date_formats = array('F j, Y' => 'Mdy', 'Y/m/d' => 'ymd', 'm/d/Y' => 'mdy', 'd/m/Y' => 'dmy');
     $format = $cake_date_formats[$date_format];
     $_this =& Wpcf_Cake_Validation::getInstance();
     $_this->__reset();
     $_this->check = $check;
     $_this->regex = $regex;
     if (!is_null($_this->regex)) {
         return $_this->_check();
     }
     $regex['dmy'] = '%^(?:(?:31(\\/|-|\\.|\\x20)(?:0?[13578]|1[02]))\\1|(?:(?:29|30)(\\/|-|\\.|\\x20)(?:0?[1,3-9]|1[0-2])\\2))(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$|^(?:29(\\/|-|\\.|\\x20)0?2\\3(?:(?:(?:1[6-9]|[2-9]\\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\\d|2[0-8])(\\/|-|\\.|\\x20)(?:(?:0?[1-9])|(?:1[0-2]))\\4(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$%';
     $regex['mdy'] = '%^(?:(?:(?:0?[13578]|1[02])(\\/|-|\\.|\\x20)31)\\1|(?:(?:0?[13-9]|1[0-2])(\\/|-|\\.|\\x20)(?:29|30)\\2))(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$|^(?:0?2(\\/|-|\\.|\\x20)29\\3(?:(?:(?:1[6-9]|[2-9]\\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:(?:0?[1-9])|(?:1[0-2]))(\\/|-|\\.|\\x20)(?:0?[1-9]|1\\d|2[0-8])\\4(?:(?:1[6-9]|[2-9]\\d)?\\d{2})$%';
     $regex['ymd'] = '%^(?:(?:(?:(?:(?:1[6-9]|[2-9]\\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00)))(\\/|-|\\.|\\x20)(?:0?2\\1(?:29)))|(?:(?:(?:1[6-9]|[2-9]\\d)?\\d{2})(\\/|-|\\.|\\x20)(?:(?:(?:0?[13578]|1[02])\\2(?:31))|(?:(?:0?[1,3-9]|1[0-2])\\2(29|30))|(?:(?:0?[1-9])|(?:1[0-2]))\\2(?:0?[1-9]|1\\d|2[0-8]))))$%';
     $regex['dMy'] = '/^((31(?!\\ (Feb(ruary)?|Apr(il)?|June?|(Sep(?=\\b|t)t?|Nov)(ember)?)))|((30|29)(?!\\ Feb(ruary)?))|(29(?=\\ Feb(ruary)?\\ (((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)))))|(0?[1-9])|1\\d|2[0-8])\\ (Jan(uary)?|Feb(ruary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sep(?=\\b|t)t?|Nov|Dec)(ember)?)\\ ((1[6-9]|[2-9]\\d)\\d{2})$/';
     $regex['Mdy'] = '/^(?:(((Jan(uary)?|Ma(r(ch)?|y)|Jul(y)?|Aug(ust)?|Oct(ober)?|Dec(ember)?)\\ 31)|((Jan(uary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sept|Nov|Dec)(ember)?)\\ (0?[1-9]|([12]\\d)|30))|(Feb(ruary)?\\ (0?[1-9]|1\\d|2[0-8]|(29(?=,?\\ ((1[6-9]|[2-9]\\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)))))))\\,?\\ ((1[6-9]|[2-9]\\d)\\d{2}))$/';
     $regex['My'] = '%^(Jan(uary)?|Feb(ruary)?|Ma(r(ch)?|y)|Apr(il)?|Ju((ly?)|(ne?))|Aug(ust)?|Oct(ober)?|(Sep(?=\\b|t)t?|Nov|Dec)(ember)?)[ /]((1[6-9]|[2-9]\\d)\\d{2})$%';
     $regex['my'] = '%^(((0[123456789]|10|11|12)([- /.])(([1][9][0-9][0-9])|([2][0-9][0-9][0-9]))))$%';
     $format = is_array($format) ? array_values($format) : array($format);
     foreach ($format as $key) {
         $_this->regex = $regex[$key];
         if ($_this->_check() === true) {
             return true;
         }
     }
     return false;
 }

/**
 * Converts date to time on post saving.
 * 
 * @param type $value
 * @return type 
 */
function wpcf_fields_date_value_save_filter($value)
{
    if (empty($value)) {
        return $value;
    }
    $date_format = wpcf_get_date_format();
    if ($date_format == 'd/m/Y') {
        // strtotime requires a dash or dot separator to determine dd/mm/yyyy format
        $value = str_replace('/', '-', $value);
    }
    return strtotime(strval($value));
}

/**
 * Parses date meta.
 * 
 * Use this as main function.
 * 
 * @param int $value timestamp
 * @param type $field Field data
 * $param string $return Specify to return array or specific element of same array
 *          ( timestamp, datepicker, hour, minute )
 * @return mixed array | custom parameter
 */
function wpcf_fields_date_value_get_filter($value, $field, $return = 'array', $context = 'get', $use_cache = true)
{
    global $wpcf;
    /*
     * 
     * Fix for leftover
     */
    if ($context != 'check_leftover') {
        $value = __wpcf_fields_date_check_leftover($value, $field);
    }
    // Check if cached
    static $cache = array();
    $cache_key = md5(serialize($value));
    if (isset($cache[$cache_key]) && $use_cache) {
        // Set return data if necessary
        if ($return != 'array') {
            if (isset($cache[$cache_key][strval($return)])) {
                return $cache[$cache_key][strval($return)];
            }
        } else {
            return $cache[$cache_key];
        }
    }
    $value_cloned = $value;
    $date_format = wpcf_get_date_format();
    if (empty($value)) {
        $value = array('timestamp' => null, 'hour' => 8, 'minute' => 0, 'datepicker' => '');
    } else {
        if (is_array($value)) {
            /*
             * Consider this already parsed
             * but check anyway.
             */
            $value = wpcf_fields_date_value_check($value);
        } else {
            $value = array('timestamp' => $value, 'hour' => adodb_date('H', $value), 'minute' => adodb_date('i', $value), 'datepicker' => adodb_date($date_format, $value));
            $value = wpcf_fields_date_value_check($value);
        }
    }
    // Debug
    $wpcf->debug->dates[] = array('original_value' => $value_cloned, 'value' => $value, 'field' => $field, 'context' => $context);
    // Cache it
    if ($use_cache) {
        $cache[$cache_key] = $value;
    }
    // Set return data if necessary
    if ($return != 'array') {
        $value = isset($value[strval($return)]) ? $value[strval($return)] : null;
    }
    return $value;
}

/**
 * Sets data for Hour and Minute.
 * 
 * @param type $value
 * @param type $date_format
 * @return int
 */
function wpcf_fields_date_set_hour_and_minute($value)
{
    $date_format = wpcf_get_date_format();
    $data = array();
    if (is_array($value)) {
        if ($date_format == 'd/m/Y') {
            // strtotime requires a dash or dot separator to determine dd/mm/yyyy format
            $value['datepicker'] = str_replace('/', '-', strval($value['datepicker']));
        }
        $data['datepicker'] = strtotime($value['datepicker']);
        $data['hour'] = isset($value['hour']) ? intval($value['hour']) : 8;
        $data['minute'] = isset($value['minute']) ? intval($value['minute']) : 0;
    } else {
        if ($date_format == 'd/m/Y') {
            // strtotime requires a dash or dot separator to determine dd/mm/yyyy format
            $value = str_replace('/', '-', strval($value));
        }
        // Check if date string
        $_v = strtotime($value);
        $data['datepicker'] = $_v == false || $_v == -1 ? $value : $_v;
        $data['hour'] = 8;
        $data['minute'] = 0;
    }
    return $data;
}

/**
 * Renders inline JS.
 */
function wpcf_fields_date_meta_box_js_inline()
{
    $date_format = wpcf_get_date_format();
    $date_format = _wpcf_date_convert_wp_to_js($date_format);
    $date_format_note = '<span style="margin-left:10px"><i>' . esc_js(sprintf(__('Input format: %s', 'wpcf'), wpcf_get_date_format_text())) . '</i></span>';
    ?>
    <script type="text/javascript">
        //<![CDATA[
        jQuery(document).ready(function(){
            wpcfFieldsDateInit('');
        });
        function wpcfFieldsDateInit(div) {
            if (jQuery.isFunction(jQuery.fn.datepicker)) {
                jQuery(div+' .wpcf-datepicker').each(function(index) {
                    if (!jQuery(this).is(':disabled') && !jQuery(this).hasClass('hasDatepicker')) {
                        jQuery(this).datepicker({
                            showOn: "button",
                            buttonImage: "<?php 
    echo WPCF_EMBEDDED_RES_RELPATH;
    ?>
/images/calendar.gif",
                            buttonImageOnly: true,
                            buttonText: "<?php 
    _e('Select date', 'wpcf');
    ?>
",
                            dateFormat: "<?php 
    echo $date_format;
    ?>
",
                            altFormat: "<?php 
    echo $date_format;
    ?>
",
                            onSelect: function(dateText, inst) {
                                jQuery(this).trigger('wpcfDateBlur');
                            }
                        });
                        jQuery(this).next().after('<?php 
    echo $date_format_note;
    ?>
');
                    }
                });
            }
        }
        function wpcfFieldsDateEditorCallback(field_id) {
            var url = "<?php 
    echo admin_url('admin-ajax.php');
    ?>
?action=wpcf_ajax&wpcf_action=editor_insert_date&_wpnonce=<?php 
    echo wp_create_nonce('fields_insert');
    ?>
&field_id="+field_id+"&keepThis=true&TB_iframe=true&width=400&height=400";
            tb_show("<?php 
    _e('Insert date', 'wpcf');
    ?>
", url);
        }
        //]]>
    </script>
    <?php 
}

//.........这里部分代码省略.........
        } else {
            /*
             * strtotime() returns negative numbers like -49537390513
             * 
             * https://icanlocalize.basecamphq.com/projects/7393061-toolset/todo_items/160422568/comments
             * http://www.php.net/manual/en/function.strtotime.php
             * 
             * QUOTE
             * Returns a timestamp on success, FALSE otherwise.
             * Previous to PHP 5.1.0, this function would return -1 on failure. 
             * 
             * BUT on some hosts it returns negative numbers ( our test sites too )
             */
            if (!is_numeric($value)) {
                $_check = strtotime($value);
                if ($_check !== false && $_check > 1) {
                    $value = $_check;
                }
            }
            $value = array('timestamp' => intval($value), 'hour' => 8, 'minute' => 0, 'datepicker' => '');
        }
    }
    $value['datepicker'] = trim($value['datepicker']);
    /*
     * Since Types 1.2 we require $cf field object
     */
    if ($field instanceof WPCF_Field) {
        $post = $field->post;
    } else {
        // Remove for moment
        remove_filter('wpcf_fields_type_date_value_get', 'wpcf_fields_date_value_get_filter', 10, 4);
        // Hide on frontpage where things will go fine because of loop
        if (is_admin()) {
            _deprecated_argument('date_obsolete_parameter', '1.2', '<br /><br /><div class="wpcf-error">' . 'Since Types 1.2 $cf field object is required' . '</div><br /><br />');
        }
        /*
         * Set default objects
         */
        $_field = $field;
        $field = new WPCF_Field();
        $field->context = is_admin() ? 'frontend' : 'group';
        $post_id = wpcf_get_post_id($field->context);
        $post = get_post($post_id);
        if (empty($post)) {
            return $value;
        }
        $field->set($post, $_field);
        // Back to filter
        add_filter('wpcf_fields_type_date_value_get', 'wpcf_fields_date_value_get_filter', 10, 4);
    }
    /*
     * Get hour and minute
     * We need meta_id here.
     * 
     * NOT Used for 'save' context.
     * We already have submitted data in $value
     */
    if (!in_array($context, array('save', 'skip_hour_and_minute'))) {
        if (!empty($post->ID)) {
            $_meta_id = isset($_field['__meta_id']) ? $_field['__meta_id'] : $field->meta_object->meta_id;
            $_hm = get_post_meta($post->ID, '_wpcf_' . $field->cf['id'] . '_hour_and_minute', true);
            $hm = isset($_hm[$_meta_id]) ? $_hm[$_meta_id] : array();
        } else {
            /*
             * If $post is not set.
             * We need to record this
             */
            $wpcf->errors['missing_post'][] = func_get_args();
        }
        /*
         * Setup hour and minute.
         */
        if (!empty($hm) && is_array($hm) && (isset($hm['hour']) && isset($hm['minute']))) {
            $value['hour'] = $hm['hour'];
            $value['minute'] = $hm['minute'];
        }
    }
    // Calculate time IF NOT SET ( otherwise it's same as main meta value )
    // Always when using 'get' context on frontend
    if (!is_admin() && $context == 'get' || (empty($value['timestamp']) || !is_int($value['timestamp']))) {
        $value['timestamp'] = wpcf_fields_date_calculate_time($value);
    }
    /*
     * Set datepicker to use formatted date IF DO NOT EXISTS
     * (otherwise it keeps Datepicker string like 'August 9, 2012'.
     * OR is not time string
     */
    if (!empty($value['timestamp']) && (empty($value['datepicker']) || strtotime(strval($value['datepicker'])) === false)) {
        $value['datepicker'] = date(wpcf_get_date_format(), intval($value['timestamp']));
    }
    $_return = $value;
    if ($return != 'array') {
        if (isset($value[strval($return)])) {
            $_return = $value[strval($return)];
        }
    }
    // Debug
    $wpcf->debug->dates[] = array('original_value' => $value_cloned, 'value' => $value, 'return' => $_return, 'field' => $field->cf, 'context' => $context);
    return $_return;
}