| 1 |
<?php |
| 2 |
|
| 3 |
use HTML_Forms\Form; |
| 4 |
use HTML_Forms\Submission; |
| 5 |
|
| 6 |
/** |
| 7 |
* @param $form_id_or_slug int|string|WP_Post |
| 8 |
* @return Form |
| 9 |
* @throws Exception |
| 10 |
*/ |
| 11 |
function hf_get_form( $form_id_or_slug ) { |
| 12 |
|
| 13 |
if( is_numeric( $form_id_or_slug ) || $form_id_or_slug instanceof WP_Post ) { |
| 14 |
$post = get_post( $form_id_or_slug ); |
| 15 |
|
| 16 |
if( ! $post || $post->post_type !== 'html-form' ) { |
| 17 |
throw new Exception( "Invalid form ID" ); |
| 18 |
} |
| 19 |
} else { |
| 20 |
$posts = get_posts( |
| 21 |
array( |
| 22 |
'post_type' => 'html-form', |
| 23 |
'name' => $form_id_or_slug, |
| 24 |
'post_status' => 'publish', |
| 25 |
'numberposts' => 1, |
| 26 |
) |
| 27 |
); |
| 28 |
|
| 29 |
if( empty( $posts ) ) { |
| 30 |
throw new Exception( 'Invalid form slug' ); |
| 31 |
} |
| 32 |
$post = $posts[0]; |
| 33 |
} |
| 34 |
|
| 35 |
// get all post meta in a single call for performance |
| 36 |
$post_meta = get_post_meta( $post->ID ); |
| 37 |
|
| 38 |
// grab & merge form settings |
| 39 |
$default_settings = array( |
| 40 |
'save_submissions' => 1, |
| 41 |
'hide_after_success' => 0, |
| 42 |
'redirect_url' => '', |
| 43 |
'required_fields' =>'', |
| 44 |
'email_fields' => '', |
| 45 |
); |
| 46 |
$default_settings = apply_filters( 'hf_form_default_settings', $default_settings ); |
| 47 |
$settings = array(); |
| 48 |
if( ! empty( $post_meta['_hf_settings'][0] ) ) { |
| 49 |
$settings = (array) maybe_unserialize( $post_meta['_hf_settings'][0] ); |
| 50 |
} |
| 51 |
$settings = array_merge( $default_settings, $settings ); |
| 52 |
|
| 53 |
// grab & merge form messages |
| 54 |
$default_messages = array( |
| 55 |
'success' => __('Thank you! We will be in touch soon.', 'html-forms'), |
| 56 |
'invalid_email' => __( 'Sorry, that email address looks invalid.', 'html-forms' ), |
| 57 |
'required_field_missing' => __( "Please fill in the required fields.", "html-forms" ), |
| 58 |
'error' => __( 'Oops. An error occurred.', 'html-forms' ), |
| 59 |
); |
| 60 |
$messages = array(); |
| 61 |
foreach( $post_meta as $meta_key => $meta_values ) { |
| 62 |
if( strpos( $meta_key, 'hf_message_' ) === 0 ) { |
| 63 |
$message_key = substr( $meta_key, strlen( 'hf_message_' ) ); |
| 64 |
$messages[$message_key] = (string) $meta_values[0]; |
| 65 |
} |
| 66 |
} |
| 67 |
$messages = array_merge( $default_messages, $messages ); |
| 68 |
|
| 69 |
// finally, create form instance |
| 70 |
$form = new Form( $post->ID ); |
| 71 |
$form->title = $post->post_title; |
| 72 |
$form->slug = $post->post_name; |
| 73 |
$form->markup = $post->post_content; |
| 74 |
$form->settings = $settings; |
| 75 |
$form->messages = $messages; |
| 76 |
return $form; |
| 77 |
} |
| 78 |
|
| 79 |
/** |
| 80 |
* @param $form_id |
| 81 |
* @param array $args |
| 82 |
* @return Submission[] |
| 83 |
*/ |
| 84 |
function hf_get_form_submissions( $form_id, array $args = array() ) { |
| 85 |
$default_args = array( |
| 86 |
'offset' => 0, |
| 87 |
'limit' => 1000, |
| 88 |
); |
| 89 |
$args = array_merge( $default_args, $args ); |
| 90 |
|
| 91 |
global $wpdb; |
| 92 |
$table = $wpdb->prefix .'hf_submissions'; |
| 93 |
$results = $wpdb->get_results( $wpdb->prepare( "SELECT s.* FROM {$table} s WHERE s.form_id = %d ORDER BY s.submitted_at DESC LIMIT %d, %d;", $form_id, $args['offset'], $args['limit'] ), OBJECT_K ); |
| 94 |
$submissions = array(); |
| 95 |
foreach( $results as $key => $object ) { |
| 96 |
$submission = Submission::from_object( $object ); |
| 97 |
$submissions[$key] = $submission; |
| 98 |
} |
| 99 |
return $submissions; |
| 100 |
} |
| 101 |
|
| 102 |
/** |
| 103 |
* @param int $submission_id |
| 104 |
* @return Submission |
| 105 |
*/ |
| 106 |
function hf_get_form_submission( $submission_id ) { |
| 107 |
global $wpdb; |
| 108 |
$table = $wpdb->prefix .'hf_submissions'; |
| 109 |
$object = $wpdb->get_row( $wpdb->prepare( "SELECT s.* FROM {$table} s WHERE s.id = %d;", $submission_id ), OBJECT ); |
| 110 |
$submission = Submission::from_object( $object ); |
| 111 |
return $submission; |
| 112 |
} |
| 113 |
/** |
| 114 |
* @return array |
| 115 |
*/ |
| 116 |
function hf_get_settings() { |
| 117 |
$default_settings = array( |
| 118 |
'load_stylesheet' => 0, |
| 119 |
); |
| 120 |
|
| 121 |
$settings = get_option( 'hf_settings', array() ); |
| 122 |
|
| 123 |
// merge with default settings |
| 124 |
$settings = array_merge( $default_settings, $settings ); |
| 125 |
|
| 126 |
/** |
| 127 |
* Filters the global HTML Forms hf_settings |
| 128 |
* |
| 129 |
* @param array $settings |
| 130 |
*/ |
| 131 |
$settings = apply_filters( 'hf_settings', $settings ); |
| 132 |
|
| 133 |
return $settings; |
| 134 |
} |
| 135 |
|
| 136 |
/** |
| 137 |
* Get element from array, allows for dot notation eg: "foo.bar" |
| 138 |
* |
| 139 |
* @param array $array |
| 140 |
* @param string $key |
| 141 |
* @param mixed $default |
| 142 |
* @return mixed |
| 143 |
*/ |
| 144 |
function hf_array_get( $array, $key, $default = null ) { |
| 145 |
if ( is_null( $key ) ) { |
| 146 |
return $array; |
| 147 |
} |
| 148 |
|
| 149 |
if ( isset( $array[$key] ) ) { |
| 150 |
return $array[$key]; |
| 151 |
} |
| 152 |
|
| 153 |
foreach (explode( '.', $key ) as $segment) { |
| 154 |
if ( ! is_array( $array ) || ! array_key_exists( $segment, $array ) ) { |
| 155 |
return $default; |
| 156 |
} |
| 157 |
|
| 158 |
$array = $array[$segment]; |
| 159 |
} |
| 160 |
|
| 161 |
return $array; |
| 162 |
} |
| 163 |
|
| 164 |
/** |
| 165 |
* Processes template tags like {{user.user_email}} |
| 166 |
* |
| 167 |
* @param string $template |
| 168 |
* |
| 169 |
* @return string |
| 170 |
*/ |
| 171 |
function hf_template( $template ) { |
| 172 |
$replacers = new HTML_Forms\TagReplacers(); |
| 173 |
$tags = array( |
| 174 |
'user' => array( $replacers, 'user' ), |
| 175 |
'post' => array( $replacers, 'post'), |
| 176 |
'url_params' => array( $replacers, 'url_params' ), |
| 177 |
); |
| 178 |
|
| 179 |
/** |
| 180 |
* Filters the available tags in HTML Forms templates, like {{user.user_email}}. |
| 181 |
* |
| 182 |
* Can be used to add simple scalar replacements or more advanced replacement functions that accept a parameter. |
| 183 |
* |
| 184 |
* @param array $tags |
| 185 |
*/ |
| 186 |
$tags = apply_filters( 'hf_template_tags', $tags ); |
| 187 |
|
| 188 |
$template = preg_replace_callback( '/\{\{ *(\w+)(?:\.([\w\.]+))? *(?:\|\| *(\w+))? *\}\}/', function( $matches ) use ( $tags ) { |
| 189 |
$tag = $matches[1]; |
| 190 |
$param = ! isset( $matches[2] ) ? "" : $matches[2]; |
| 191 |
$default = ! isset( $matches[3] ) ? "" : $matches[3]; |
| 192 |
$value = ""; |
| 193 |
|
| 194 |
// do not change anything if we have no replacer with that key, could be custom user logic or another plugin. |
| 195 |
if( ! isset( $tags[ $tag] ) ) { |
| 196 |
return $matches[0]; |
| 197 |
} |
| 198 |
|
| 199 |
$replacement = $tags[$tag]; |
| 200 |
$value = is_callable( $replacement ) ? call_user_func_array( $replacement, array( $param ) ) : $replacement; |
| 201 |
return ! empty( $value ) ? $value : $default; |
| 202 |
}, $template ); |
| 203 |
|
| 204 |
return $template; |
| 205 |
} |
| 206 |
|
| 207 |
/** |
| 208 |
* @param string $string |
| 209 |
* @param array $data |
| 210 |
* |
| 211 |
* @return string |
| 212 |
*/ |
| 213 |
function hf_replace_data_variables( $string, $data = array() ) { |
| 214 |
$string = preg_replace_callback( '/\[([a-zA-Z0-9\-\._]+)\]/', function( $matches ) use ( $data ) { |
| 215 |
$key = $matches[1]; |
| 216 |
$replacement = hf_array_get( $data, $key, '' ); |
| 217 |
$replacement = hf_field_value( $replacement ); |
| 218 |
return $replacement; |
| 219 |
}, $string ); |
| 220 |
return $string; |
| 221 |
} |
| 222 |
|
| 223 |
/** |
| 224 |
* Returns an escaped and formatted field value. Detects file-, array- and date-types. |
| 225 |
* |
| 226 |
* Caveat: if value is a file, an HTML string is returned (which means email action should use "Content-Type: html" when it includes a file field). |
| 227 |
* |
| 228 |
* @param string $value |
| 229 |
* @param int $limit |
| 230 |
* @return string |
| 231 |
* @since 1.3.1 |
| 232 |
*/ |
| 233 |
function hf_field_value( $value, $limit = 0 ) { |
| 234 |
if( $value === '' ) { |
| 235 |
return $value; |
| 236 |
} |
| 237 |
|
| 238 |
if( hf_is_file( $value ) ) { |
| 239 |
$file_url = isset( $value['url'] ) ? $value['url'] : ''; |
| 240 |
if( isset( $value['attachment_id'] ) ) { |
| 241 |
$file_url = admin_url( sprintf( 'post.php?action=edit&post=%d', $value['attachment_id'] ) ); |
| 242 |
} |
| 243 |
$short_name = substr( $value['name'], 0, 20 ); |
| 244 |
$suffix = strlen( $value['name'] ) > 20 ? '...' : ''; |
| 245 |
return sprintf( '<a href="%s">%s%s</a> (%s)', esc_attr( $file_url ), esc_html( $short_name ), esc_html( $suffix ), hf_human_filesize( $value['size'] ) ); |
| 246 |
} |
| 247 |
|
| 248 |
if( hf_is_date( $value ) ) { |
| 249 |
$date_format = get_option( 'date_format' ); |
| 250 |
return date( $date_format, strtotime( $value ) ); |
| 251 |
} |
| 252 |
|
| 253 |
// join array-values with comma |
| 254 |
if( is_array( $value ) ) { |
| 255 |
$value = join( ', ', $value ); |
| 256 |
} |
| 257 |
|
| 258 |
// limit string to certain length |
| 259 |
$value = esc_html( $value ); |
| 260 |
if( $limit > 0 ) { |
| 261 |
return sprintf( '%s%s', substr( $value, 0, $limit ), strlen( $value ) > $limit ? '...' : '' ); |
| 262 |
} |
| 263 |
|
| 264 |
return $value; |
| 265 |
} |
| 266 |
|
| 267 |
/** |
| 268 |
* Returns true if value is a "file" |
| 269 |
* @return bool |
| 270 |
*/ |
| 271 |
function hf_is_file( $value ) { |
| 272 |
return is_array( $value ) |
| 273 |
&& isset( $value['name'] ) |
| 274 |
&& isset( $value['size'] ) |
| 275 |
&& isset( $value['type'] ); |
| 276 |
} |
| 277 |
|
| 278 |
/** |
| 279 |
* Returns true if value looks like a date-string submitted from a <input type="date"> |
| 280 |
* @return bool |
| 281 |
* @since 1.3.1 |
| 282 |
*/ |
| 283 |
function hf_is_date( $value ) { |
| 284 |
return is_string( $value ) |
| 285 |
&& strlen( $value ) === 10 |
| 286 |
&& preg_match( '/\d{2,4}[-\/]\d{2}[-\/]\d{2,4}/', $value ) > 0 |
| 287 |
&& ( $timestamp = strtotime($value) ) |
| 288 |
&& $timestamp != false; |
| 289 |
} |
| 290 |
|
| 291 |
/** |
| 292 |
* @return string |
| 293 |
*/ |
| 294 |
function hf_human_filesize($size, $precision = 2) { |
| 295 |
for( $i = 0; ($size / 1024) > 0.9; $i++, $size /= 1024 ) { |
| 296 |
// nothing, loop logic contains everything |
| 297 |
} |
| 298 |
$steps = array( 'B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB' ); |
| 299 |
return round($size, $precision) . $steps[$i]; |
| 300 |
} |
| 301 |
|
