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我使用的联系表格7 datepicker插件，它很好用，但我正在寻求限制它的值：https://wordpress.org/plugins/contact-form-7-datepicker/。限制日期/时间选择器
我希望用户能够使用我的联系表单上的日期选择器7预订表单，但我希望他们只能选择不早于1天和1小时的日期。所以，如果我尝试选择今天的日期和今天的时间，一个警报将弹出说它太早。最早必须是25小时。如何将我即使有以下插件代码开头的：
time.php文件...
<?php
class ContactForm7Datepicker_Time {
static $inline_js = array();
public static function register() {
// Register shortcodes
add_action('wpcf7_init', array(__CLASS__, 'add_shortcodes'));
// Validations
add_filter('wpcf7_validate_time', array(__CLASS__, 'validation_filter'), 10, 2);
add_filter('wpcf7_validate_time*', array(__CLASS__, 'validation_filter'), 10, 2);
// Tag generator
add_action('load-contact_page_wpcf7-new', array(__CLASS__, 'tag_generator'));
add_action('load-toplevel_page_wpcf7', array(__CLASS__, 'tag_generator'));
// Messages
add_filter('wpcf7_messages', array(__CLASS__, 'messages'));
// Print inline javascript
add_action('wp_print_footer_scripts', array(__CLASS__, 'print_inline_js'), 99999);
}
public static function shortcode_handler($tag) {
$tag = new WPCF7_Shortcode($tag);
if (empty($tag->name))
return '';
$validation_error = wpcf7_get_validation_error($tag->name);
$class = wpcf7_form_controls_class($tag->type, 'wpcf7-date');
if ($validation_error)
$class .= ' wpcf7-not-valid';
$atts = array();
$atts['size'] = $tag->get_size_option('40');
$atts['maxlength'] = $tag->get_maxlength_option();
$atts['class'] = $tag->get_class_option($class);
$atts['id'] = $tag->get_option('id', 'id', true);
$atts['tabindex'] = $tag->get_option('tabindex', 'int', true);
$atts['type'] = 'text';
if ($tag->has_option('readonly'))
$atts['readonly'] = 'readonly';
if ($tag->is_required())
$atts['aria-required'] = 'true';
$value = (string)reset($tag->values);
if ($tag->has_option('placeholder') || $tag->has_option('watermark')) {
$atts['placeholder'] = $value;
$value = '';
}
if (wpcf7_is_posted() && isset($_POST[$tag->name]))
$value = stripslashes_deep($_POST[$tag->name]);
$atts['value'] = $value;
$dpOptions = array();
$dpOptions['timeFormat'] = str_replace('_', ' ', $tag->get_option('time-format', '', true));
$dpOptions['firstDay'] = (int)$tag->get_option('first-day', 'int', true);
$dpOptions['showAnim'] = $tag->get_option('animate', '', true);
$dpOptions['controlType'] = $tag->get_option('control-type', '', true);
$dpOptions['showButtonPanel'] = $tag->has_option('buttons');
$dpOptions['changeMonth'] = $tag->has_option('change-month');
$dpOptions['changeYear'] = $tag->has_option('change-year');
foreach (array('minute', 'hour', 'second') as $s) {
foreach (array('min', 'max') as $m) {
$dpOptions[$s . ucfirst($m)] = (int)$tag->get_option("$m-$s", 'int', true);
}
$dpOptions['step' . ucfirst($s)] = (int)$tag->get_option("step-$s", 'int', true);
}
$inline = $tag->has_option('inline');
if ($inline) {
$dpOptions['altField'] = "#{$tag->name}_alt";
$atts['id'] = "{$tag->name}_alt";
}
$atts['type'] = $inline ? 'hidden' : 'text';
$atts['name'] = $tag->name;
$atts = wpcf7_format_atts($atts);
$html = sprintf(
'<span class="wpcf7-form-control-wrap %1$s"><input %2$s />%3$s %4$s</span>',
$tag->name, $atts, $validation_error,
$inline ? "<div id=\"{$tag->name}_timepicker\"></div>" : '');
$html = apply_filters('cf7dp_time_input', $html);
$dp_selector = $inline ? '#' . $tag->name . '_timepicker' : $tag->name;
$dp = new CF7_DateTimePicker('time', $dp_selector, $dpOptions);
self::$inline_js[] = $dp->generate_code($inline);
return $html;
}
public static function validation_filter($result, $tag) {
$type = $tag['type'];
$name = $tag['name'];
$value = trim($_POST[$name]);
if ('time*' == $type && empty($value)) {
$result['valid'] = false;
$result['reason'][$name] = wpcf7_get_message('invalid_required');
}
if (! empty($value) && ! self::is_valid_date($value)) {
$result['valid'] = false;
$result['reason'][$name] = wpcf7_get_message('invalid_time');
}
return $result;
}
public static function tag_generator() {
if (! function_exists('wpcf7_add_tag_generator'))
return;
wpcf7_add_tag_generator('time',
__('Time field', 'wpcf7'),
'wpcf7-tg-pane-time',
array(__CLASS__, 'tg_pane')
);
}
public static function tg_pane() {
require_once dirname(__FILE__) . '/generators/time.php';
}
public static function add_shortcodes() {
if (function_exists('wpcf7_add_shortcode')) {
wpcf7_add_shortcode(array('time', 'time*'), array(__CLASS__, 'shortcode_handler'), true);
}
}
public static function messages($messages) {
$messages['invalid_time'] = array(
'description' => __('The time that the sender entered is invalid'),
'default' => __('Invalid time supplied.'),
);
return $messages;
}
public static function print_inline_js() {
if (! wp_script_is('jquery-ui-timepicker', 'done') || empty(self::$inline_js))
return;
$out = implode("\n\t", self::$inline_js);
$out = "jQuery(function($){\n\t$out\n});";
echo "\n<script type=\"text/javascript\">\n{$out}\n</script>\n";
}
private static function animate_dropdown() {
$html = "<select id=\"animate\">\n";
foreach (CF7_DateTimePicker::$effects as $val) {
$html .= '<option value="' . esc_attr($val) . '">' . ucfirst($val) . '</option>';
}
$html .= "</select>";
echo $html;
}
private static function is_valid_date($value) {
$valid = strtotime($value) ? true : false;
return apply_filters('cf7dp_is_valid_time', $valid, $value);
}
}
ContactForm7Datepicker_Time::register();
date.php ...
<?php
class ContactForm7Datepicker_Date {
static $inline_js = array();
public static function register() {
// Register shortcodes
add_action('wpcf7_init', array(__CLASS__, 'add_shortcodes'));
remove_filter('wpcf7_validate_date', 'wpcf7_date_validation_filter', 10);
remove_filter('wpcf7_validate_date*', 'wpcf7_date_validation_filter', 10);
remove_filter('wpcf7_messages', 'wpcf7_date_messages');
remove_action('admin_init', 'wpcf7_add_tag_generator_date', 19);
// Validations
add_filter('wpcf7_validate_date', array(__CLASS__, 'validation_filter'), 10, 2);
add_filter('wpcf7_validate_date*', array(__CLASS__, 'validation_filter'), 10, 2);
// Tag generator
add_action('load-contact_page_wpcf7-new', array(__CLASS__, 'tag_generator'));
add_action('load-toplevel_page_wpcf7', array(__CLASS__, 'tag_generator'));
// Messages
add_filter('wpcf7_messages', array(__CLASS__, 'messages'));
// Print inline javascript
add_action('wp_print_footer_scripts', array(__CLASS__, 'print_inline_js'), 99999);
}
public static function shortcode_handler($tag) {
$tag = new WPCF7_Shortcode($tag);
if (empty($tag->name))
return '';
$validation_error = wpcf7_get_validation_error($tag->name);
$class = wpcf7_form_controls_class($tag->type, 'wpcf7-date');
if ($validation_error)
$class .= ' wpcf7-not-valid';
$atts = array();
$atts['size'] = $tag->get_size_option('40');
$atts['maxlength'] = $tag->get_maxlength_option();
$atts['class'] = $tag->get_class_option($class);
$atts['id'] = $tag->get_option('id', 'id', true);
$atts['tabindex'] = $tag->get_option('tabindex', 'int', true);
$atts['type'] = 'text';
if ($tag->has_option('readonly'))
$atts['readonly'] = 'readonly';
if ($tag->is_required())
$atts['aria-required'] = 'true';
$value = (string)reset($tag->values);
if ($tag->has_option('placeholder') || $tag->has_option('watermark')) {
$atts['placeholder'] = $value;
$value = '';
}
if (wpcf7_is_posted() && isset($_POST[$tag->name]))
$value = stripslashes_deep($_POST[$tag->name]);
$atts['value'] = $value;
$dpOptions = array();
$dpOptions['dateFormat'] = str_replace('_', ' ', $tag->get_option('date-format', '', true));
$dpOptions['minDate'] = $tag->get_option('min-date', '', true);
$dpOptions['maxDate'] = $tag->get_option('max-date', '', true);
$dpOptions['firstDay'] = (int)$tag->get_option('first-day', 'int', true);
$dpOptions['showAnim'] = $tag->get_option('animate', '', true);
$dpOptions['yearRange'] = str_replace('-', ':', $tag->get_option('year-range', '', true));
$dpOptions['numberOfMonths'] = (int)$tag->get_option('months', 'int', true);
$dpOptions['showButtonPanel'] = $tag->has_option('buttons');
$dpOptions['changeMonth'] = $tag->has_option('change-month');
$dpOptions['changeYear'] = $tag->has_option('change-year');
$dpOptions['noWeekends'] = $tag->has_option('no-weekends');
$inline = $tag->has_option('inline');
if ($inline) {
$dpOptions['altField'] = "#{$tag->name}_alt";
$atts['id'] = "{$tag->name}_alt";
}
$atts['type'] = $inline ? 'hidden' : 'text';
$atts['name'] = $tag->name;
$atts = wpcf7_format_atts($atts);
$html = sprintf(
'<span class="wpcf7-form-control-wrap %1$s"><input %2$s />%3$s %4$s</span>',
$tag->name, $atts, $validation_error,
$inline ? "<div id=\"{$tag->name}_datepicker\"></div>" : '');
$html = apply_filters('cf7dp_date_input', $html);
$dp_selector = $inline ? '#' . $tag->name . '_datepicker' : $tag->name;
$dp = new CF7_DateTimePicker('date', $dp_selector, $dpOptions);
self::$inline_js[] = $dp->generate_code($inline);
return $html;
}
public static function validation_filter($result, $tag) {
$type = $tag['type'];
$name = $tag['name'];
$value = trim($_POST[$name]);
if ('date*' == $type && empty($value)) {
$result['valid'] = false;
$result['reason'][$name] = wpcf7_get_message('invalid_required');
}
if (! empty($value) && ! self::is_valid_date($value)) {
$result['valid'] = false;
$result['reason'][$name] = wpcf7_get_message('invalid_date');
}
return $result;
}
public static function tag_generator() {
if (! function_exists('wpcf7_add_tag_generator'))
return;
wpcf7_add_tag_generator('date',
__('Date field', 'wpcf7'),
'wpcf7-tg-pane-date',
array(__CLASS__, 'tg_pane')
);
}
public static function tg_pane() {
require_once dirname(__FILE__) . '/generators/date.php';
}
public static function add_shortcodes() {
if (function_exists('wpcf7_add_shortcode')) {
// Remove Contact Form 7's date module
wpcf7_remove_shortcode('date');
wpcf7_remove_shortcode('date*');
wpcf7_add_shortcode(array('date', 'date*'), array(__CLASS__, 'shortcode_handler'), true);
}
}
public static function messages($messages) {
$messages['invalid_date'] = array(
'description' => __('The date that the sender entered is invalid'),
'default' => __('Invalid date supplied.'),
);
return $messages;
}
public static function print_inline_js() {
if (! wp_script_is('jquery-ui-datepicker', 'done') || empty(self::$inline_js))
return;
$out = implode("\n\t", self::$inline_js);
$out = "jQuery(function($){\n\t$out\n});";
echo "\n<script type=\"text/javascript\">\n{$out}\n</script>\n";
}
private static function animate_dropdown() {
$html = "<select id=\"animate\">\n";
foreach (CF7_DateTimePicker::$effects as $val) {
$html .= '<option value="' . esc_attr($val) . '">' . ucfirst($val) . '</option>';
}
$html .= "</select>";
echo $html;
}
private static function is_valid_date($value) {
$valid = strtotime($value) ? true : false;
if (! $valid) {
// Validate dd/mm/yy
$new_value = str_replace('/', '-', $value);
$valid = strtotime($new_value) ? true : false;
}
return apply_filters('cf7dp_is_valid_date', $valid, $value);
}
}
ContactForm7Datepicker_Date::register();