| 1 |
<?php |
| 2 |
|
| 3 |
namespace Code_Snippets; |
| 4 |
|
| 5 |
use DateTime; |
| 6 |
use DateTimeZone; |
| 7 |
|
| 8 |
/** |
| 9 |
* A snippet object. |
| 10 |
* |
| 11 |
* @since 2.4.0 |
| 12 |
* @package Code_Snippets |
| 13 |
* |
| 14 |
* @property int $id The database ID. |
| 15 |
* @property string $name The snippet title. |
| 16 |
* @property string $desc The formatted description. |
| 17 |
* @property string $code The executable code. |
| 18 |
* @property array $tags An array of the tags. |
| 19 |
* @property string $scope The scope name. |
| 20 |
* @property int $priority Execution priority. |
| 21 |
* @property bool $active The active status. |
| 22 |
* @property bool $network true if is multisite-wide snippet, false if site-wide. |
| 23 |
* @property bool $shared_network Whether the snippet is a shared network snippet. |
| 24 |
* @property string $modified The date and time when the snippet data was most recently saved to the database. |
| 25 |
* |
| 26 |
* @property-read string $display_name The snippet name if it exists or a placeholder if it does not. |
| 27 |
* @property-read string $tags_list The tags in string list format. |
| 28 |
* @property-read string $scope_icon The dashicon used to represent the current scope. |
| 29 |
* @property-read string $scope_name Human-readable description of the snippet type. |
| 30 |
* @property-read string $type The type of snippet. |
| 31 |
* @property-read string $lang The language that the snippet code is written in. |
| 32 |
* @property-read int $modified_timestamp The last modification date in Unix timestamp format. |
| 33 |
* @property-read DateTime $modified_local The last modification date in the local timezone. |
| 34 |
* @property-read string $type_desc Human-readable description of the snippet type. |
| 35 |
*/ |
| 36 |
class Snippet { |
| 37 |
|
| 38 |
/** |
| 39 |
* MySQL datetime format (YYYY-MM-DD hh:mm:ss). |
| 40 |
*/ |
| 41 |
const DATE_FORMAT = 'Y-m-d H:i:s'; |
| 42 |
|
| 43 |
/** |
| 44 |
* Default value used for a datetime variable. |
| 45 |
*/ |
| 46 |
const DEFAULT_DATE = '0000-00-00 00:00:00'; |
| 47 |
|
| 48 |
/** |
| 49 |
* The snippet metadata fields. |
| 50 |
* Initialized with default values. |
| 51 |
* |
| 52 |
* @var array Two-dimensional array of field names keyed to current values. |
| 53 |
*/ |
| 54 |
private $fields = array( |
| 55 |
'id' => 0, |
| 56 |
'name' => '', |
| 57 |
'desc' => '', |
| 58 |
'code' => '', |
| 59 |
'tags' => array(), |
| 60 |
'scope' => 'global', |
| 61 |
'active' => false, |
| 62 |
'priority' => 10, |
| 63 |
'network' => null, |
| 64 |
'shared_network' => null, |
| 65 |
'modified' => null, |
| 66 |
); |
| 67 |
|
| 68 |
/** |
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* List of field aliases |
| 70 |
* |
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* @var array Two-dimensional array of field alias names keyed to actual field names. |
| 72 |
*/ |
| 73 |
private static $field_aliases = array( |
| 74 |
'description' => 'desc', |
| 75 |
'language' => 'lang', |
| 76 |
); |
| 77 |
|
| 78 |
/** |
| 79 |
* Constructor function |
| 80 |
* |
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* @param array|object $fields Initial snippet fields. |
| 82 |
*/ |
| 83 |
public function __construct( $fields = null ) { |
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$this->set_fields( $fields ); |
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} |
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|
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/** |
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* Set all snippet fields from an array or object. |
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* Invalid fields will be ignored. |
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* |
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* @param array|object $fields List of fields. |
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*/ |
| 93 |
public function set_fields( $fields ) { |
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|
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/* Only accept arrays or objects */ |
| 96 |
if ( ! $fields || is_string( $fields ) ) { |
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return; |
| 98 |
} |
| 99 |
|
| 100 |
/* Convert objects into arrays */ |
| 101 |
if ( is_object( $fields ) ) { |
| 102 |
$fields = get_object_vars( $fields ); |
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} |
| 104 |
|
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/* Loop through the passed fields and set them */ |
| 106 |
foreach ( $fields as $field => $value ) { |
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$this->set_field( $field, $value ); |
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} |
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} |
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|
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/** |
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* Retrieve all snippet fields |
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* |
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* @return array Two-dimensional array of field names keyed to current values |
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*/ |
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public function get_fields() { |
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return $this->fields; |
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} |
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|
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/** |
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* Internal function for validating the name of a field |
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* |
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* @param string $field A field name. |
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* |
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* @return string The validated field name. |
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*/ |
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private function validate_field_name( $field ) { |
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|
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/* If a field alias is set, remap it to the valid field name */ |
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if ( isset( self::$field_aliases[ $field ] ) ) { |
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return self::$field_aliases[ $field ]; |
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} |
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|
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return $field; |
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} |
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|
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/** |
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* Check if a field is set |
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* |
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* @param string $field The field name. |
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* |
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* @return bool Whether the field is set. |
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*/ |
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public function __isset( $field ) { |
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$field = $this->validate_field_name( $field ); |
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|
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return isset( $this->fields[ $field ] ) || method_exists( $this, 'get_' . $field ); |
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} |
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|
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/** |
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* Retrieve a field's value |
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* |
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* @param string $field The field name. |
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* |
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* @return mixed The field value |
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*/ |
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public function __get( $field ) { |
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$field = $this->validate_field_name( $field ); |
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|
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if ( method_exists( $this, 'get_' . $field ) ) { |
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return call_user_func( array( $this, 'get_' . $field ) ); |
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} |
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|
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if ( ! $this->is_allowed_field( $field ) ) { |
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if ( WP_DEBUG ) { |
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// phpcs:disable WordPress.PHP.DevelopmentFunctions.error_log_trigger_error |
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trigger_error( 'Trying to access invalid property on Snippets class: ' . esc_html( $field ), E_WARNING ); |
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} |
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|
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return null; |
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} |
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|
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return $this->fields[ $field ]; |
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} |
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|
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/** |
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* Set the value of a field |
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* |
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* @param string $field The field name. |
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* @param mixed $value The field value. |
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*/ |
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public function __set( $field, $value ) { |
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$field = $this->validate_field_name( $field ); |
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|
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if ( ! $this->is_allowed_field( $field ) ) { |
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if ( WP_DEBUG ) { |
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// phpcs:disable WordPress.PHP.DevelopmentFunctions.error_log_trigger_error |
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trigger_error( 'Trying to set invalid property on Snippets class: ' . esc_html( $field ), E_WARNING ); |
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} |
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|
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return; |
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} |
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|
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/* Check if the field value should be filtered */ |
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if ( method_exists( $this, 'prepare_' . $field ) ) { |
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$value = call_user_func( array( $this, 'prepare_' . $field ), $value ); |
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} |
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|
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$this->fields[ $field ] = $value; |
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} |
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|
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/** |
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* Retrieve the list of fields allowed to be written to |
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* |
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* @return array Single-dimensional array of field names. |
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*/ |
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public function get_allowed_fields() { |
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return array_keys( $this->fields ) + array_keys( self::$field_aliases ); |
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} |
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|
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/** |
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* Determine whether a field is allowed to be written to |
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* |
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* @param string $field The field name. |
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* |
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* @return bool true if the is allowed, false if invalid. |
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*/ |
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public function is_allowed_field( $field ) { |
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return array_key_exists( $field, $this->fields ) || array_key_exists( $field, self::$field_aliases ); |
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} |
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|
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/** |
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* Safely set the value for a field |
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* If the field name is invalid, false will be returned instead of an error thrown. |
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* |
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* @param string $field The field name. |
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* @param mixed $value The field value. |
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* |
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* @return bool true if the field was set successfully, false if the field name is invalid. |
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*/ |
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public function set_field( $field, $value ) { |
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if ( ! $this->is_allowed_field( $field ) ) { |
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return false; |
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} |
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|
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$this->__set( $field, $value ); |
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|
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return true; |
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} |
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|
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/** |
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* Add a new tag |
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* |
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* @param string $tag Tag content to add to list. |
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*/ |
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public function add_tag( $tag ) { |
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$this->fields['tags'][] = $tag; |
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} |
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|
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/** |
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* Prepare the ID by ensuring it is an absolute integer |
| 252 |
* |
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* @param int $id The field as provided. |
| 254 |
* |
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* @return int The field in the correct format. |
| 256 |
*/ |
| 257 |
private function prepare_id( $id ) { |
| 258 |
return absint( $id ); |
| 259 |
} |
| 260 |
|
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/** |
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* Prepare the scope by ensuring that it is a valid choice |
| 263 |
* |
| 264 |
* @param int|string $scope The field as provided. |
| 265 |
* |
| 266 |
* @return string The field in the correct format. |
| 267 |
*/ |
| 268 |
private function prepare_scope( $scope ) { |
| 269 |
$scopes = self::get_all_scopes(); |
| 270 |
|
| 271 |
if ( in_array( $scope, $scopes, true ) ) { |
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return $scope; |
| 273 |
} |
| 274 |
|
| 275 |
if ( is_numeric( $scope ) && isset( $scopes[ $scope ] ) ) { |
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return $scopes[ $scope ]; |
| 277 |
} |
| 278 |
|
| 279 |
return $this->fields['scope']; |
| 280 |
} |
| 281 |
|
| 282 |
/** |
| 283 |
* Prepare the snippet tags by ensuring they are in the correct format |
| 284 |
* |
| 285 |
* @param string|array $tags The field as provided. |
| 286 |
* |
| 287 |
* @return array The field in the correct format. |
| 288 |
*/ |
| 289 |
private function prepare_tags( $tags ) { |
| 290 |
return code_snippets_build_tags_array( $tags ); |
| 291 |
} |
| 292 |
|
| 293 |
/** |
| 294 |
* Prepare the active field by ensuring it is the correct type |
| 295 |
* |
| 296 |
* @param bool|int $active The field as provided. |
| 297 |
* |
| 298 |
* @return bool The field in the correct format. |
| 299 |
*/ |
| 300 |
private function prepare_active( $active ) { |
| 301 |
|
| 302 |
if ( is_bool( $active ) ) { |
| 303 |
return $active; |
| 304 |
} |
| 305 |
|
| 306 |
return (bool) $active; |
| 307 |
} |
| 308 |
|
| 309 |
/** |
| 310 |
* Prepare the priority field by ensuring it is an integer |
| 311 |
* |
| 312 |
* @param int $priority The field as provided. |
| 313 |
* |
| 314 |
* @return int The field in the correct format. |
| 315 |
*/ |
| 316 |
private function prepare_priority( $priority ) { |
| 317 |
return intval( $priority ); |
| 318 |
} |
| 319 |
|
| 320 |
/** |
| 321 |
* If $network is anything other than true, set it to false |
| 322 |
* |
| 323 |
* @param bool $network The field as provided. |
| 324 |
* |
| 325 |
* @return bool The field in the correct format. |
| 326 |
*/ |
| 327 |
private function prepare_network( $network ) { |
| 328 |
|
| 329 |
if ( null === $network && function_exists( 'is_network_admin' ) ) { |
| 330 |
return is_network_admin(); |
| 331 |
} |
| 332 |
|
| 333 |
return true === $network; |
| 334 |
} |
| 335 |
|
| 336 |
/** |
| 337 |
* Determine the type of code this snippet is, based on its scope |
| 338 |
* |
| 339 |
* @return string The snippet type – will be a filename extension. |
| 340 |
*/ |
| 341 |
private function get_type() { |
| 342 |
if ( '-css' === substr( $this->scope, -4 ) ) { |
| 343 |
return 'css'; |
| 344 |
} |
| 345 |
|
| 346 |
if ( '-js' === substr( $this->scope, -3 ) ) { |
| 347 |
return 'js'; |
| 348 |
} |
| 349 |
|
| 350 |
if ( 'content' === substr( $this->scope, -7 ) ) { |
| 351 |
return 'html'; |
| 352 |
} |
| 353 |
|
| 354 |
return 'php'; |
| 355 |
} |
| 356 |
|
| 357 |
/** |
| 358 |
* Retrieve a list of all valid types. |
| 359 |
* |
| 360 |
* @return string[] |
| 361 |
*/ |
| 362 |
public static function get_types() { |
| 363 |
return [ 'php', 'html', 'css', 'js' ]; |
| 364 |
} |
| 365 |
|
| 366 |
/** |
| 367 |
* Retrieve description of snippet type. |
| 368 |
* |
| 369 |
* @return string |
| 370 |
*/ |
| 371 |
private function get_type_desc() { |
| 372 |
$labels = [ |
| 373 |
'php' => __( 'Functions', 'code-snippets' ), |
| 374 |
'html' => __( 'Content', 'code-snippets' ), |
| 375 |
'css' => __( 'Styles', 'code-snippets' ), |
| 376 |
'js' => __( 'Scripts', 'code-snippets' ), |
| 377 |
]; |
| 378 |
|
| 379 |
return isset( $labels[ $this->type ] ) ? $labels[ $this->type ] : strtoupper( $this->type ); |
| 380 |
} |
| 381 |
|
| 382 |
/** |
| 383 |
* Determine the language that the snippet code is written in, based on the scope |
| 384 |
* |
| 385 |
* @return string The name of a language filename extension. |
| 386 |
*/ |
| 387 |
private function get_lang() { |
| 388 |
return $this->type; |
| 389 |
} |
| 390 |
|
| 391 |
/** |
| 392 |
* Prepare the modification field by ensuring it is in the correct format. |
| 393 |
* |
| 394 |
* @param DateTime|string $modified Snippet modification date. |
| 395 |
* |
| 396 |
* @return string |
| 397 |
*/ |
| 398 |
private function prepare_modified( $modified ) { |
| 399 |
|
| 400 |
/* if the supplied value is a DateTime object, convert it to string representation */ |
| 401 |
if ( $modified instanceof DateTime ) { |
| 402 |
return $modified->format( self::DATE_FORMAT ); |
| 403 |
} |
| 404 |
|
| 405 |
/* if the supplied value is probably a timestamp, attempt to convert it to a string */ |
| 406 |
if ( is_numeric( $modified ) ) { |
| 407 |
return gmdate( self::DATE_FORMAT, $modified ); |
| 408 |
} |
| 409 |
|
| 410 |
/* if the supplied value is a string, check it is not just the default value */ |
| 411 |
if ( is_string( $modified ) && self::DEFAULT_DATE !== $modified ) { |
| 412 |
return $modified; |
| 413 |
} |
| 414 |
|
| 415 |
/* otherwise, discard the supplied value */ |
| 416 |
|
| 417 |
return null; |
| 418 |
} |
| 419 |
|
| 420 |
/** |
| 421 |
* Update the last modification date to the current date and time. |
| 422 |
*/ |
| 423 |
public function update_modified() { |
| 424 |
$this->modified = gmdate( self::DATE_FORMAT ); |
| 425 |
} |
| 426 |
|
| 427 |
/** |
| 428 |
* Retrieve the snippet title if set or a placeholder title if not. |
| 429 |
* |
| 430 |
* @return string |
| 431 |
*/ |
| 432 |
private function get_display_name() { |
| 433 |
/* translators: %d: snippet ID */ |
| 434 |
return empty( $this->name ) ? sprintf( esc_html__( 'Untitled #%d', 'code-snippets' ), $this->id ) : $this->name; |
| 435 |
} |
| 436 |
|
| 437 |
/** |
| 438 |
* Retrieve the tags in list format |
| 439 |
* |
| 440 |
* @return string The tags separated by a comma and a space. |
| 441 |
*/ |
| 442 |
private function get_tags_list() { |
| 443 |
return implode( ', ', $this->tags ); |
| 444 |
} |
| 445 |
|
| 446 |
/** |
| 447 |
* Retrieve a list of all available scopes |
| 448 |
* |
| 449 |
* @return array Single-dimensional array of scope names. |
| 450 |
* |
| 451 |
* @phpcs:disable WordPress.Arrays.ArrayDeclarationSpacing.ArrayItemNoNewLine |
| 452 |
*/ |
| 453 |
public static function get_all_scopes() { |
| 454 |
return array( |
| 455 |
'global', 'admin', 'front-end', 'single-use', |
| 456 |
'content', 'head-content', 'footer-content', |
| 457 |
'admin-css', 'site-css', |
| 458 |
'site-head-js', 'site-footer-js', |
| 459 |
); |
| 460 |
} |
| 461 |
|
| 462 |
/** |
| 463 |
* Retrieve a list of all scope icons |
| 464 |
* |
| 465 |
* @return array Two-dimensional array with scope name keyed to the class name of a dashicon. |
| 466 |
*/ |
| 467 |
public static function get_scope_icons() { |
| 468 |
return array( |
| 469 |
'global' => 'admin-site', |
| 470 |
'admin' => 'admin-tools', |
| 471 |
'front-end' => 'admin-appearance', |
| 472 |
'single-use' => 'clock', |
| 473 |
'content' => 'shortcode', |
| 474 |
'head-content' => 'editor-code', |
| 475 |
'footer-content' => 'editor-code', |
| 476 |
'admin-css' => 'dashboard', |
| 477 |
'site-css' => 'admin-customizer', |
| 478 |
'site-head-js' => 'media-code', |
| 479 |
'site-footer-js' => 'media-code', |
| 480 |
); |
| 481 |
} |
| 482 |
|
| 483 |
/** |
| 484 |
* Retrieve the string representation of the scope |
| 485 |
* |
| 486 |
* @return string The name of the scope. |
| 487 |
*/ |
| 488 |
private function get_scope_name() { |
| 489 |
switch ( $this->scope ) { |
| 490 |
case 'global': |
| 491 |
return __( 'Global function', 'code-snippets' ); |
| 492 |
case 'admin': |
| 493 |
return __( 'Admin function', 'code-snippets' ); |
| 494 |
case 'front-end': |
| 495 |
return __( 'Front-end function', 'code-snippets' ); |
| 496 |
case 'single-use': |
| 497 |
return __( 'Single-use function', 'code-snippets' ); |
| 498 |
case 'content': |
| 499 |
return __( 'Content', 'code-snippets' ); |
| 500 |
case 'head-content': |
| 501 |
return __( 'Head content', 'code-snippets' ); |
| 502 |
case 'footer-content': |
| 503 |
return __( 'Footer content', 'code-snippets' ); |
| 504 |
case 'admin-css': |
| 505 |
return __( 'Admin styles', 'code-snippets' ); |
| 506 |
case 'site-css': |
| 507 |
return __( 'Front-end styles', 'code-snippets' ); |
| 508 |
case 'site-head-js': |
| 509 |
return __( 'Head styles', 'code-snippets' ); |
| 510 |
case 'site-footer-js': |
| 511 |
return __( 'Footer styles', 'code-snippets' ); |
| 512 |
} |
| 513 |
|
| 514 |
return ''; |
| 515 |
} |
| 516 |
|
| 517 |
/** |
| 518 |
* Retrieve the icon used for the current scope |
| 519 |
* |
| 520 |
* @return string A dashicon name. |
| 521 |
*/ |
| 522 |
private function get_scope_icon() { |
| 523 |
$icons = self::get_scope_icons(); |
| 524 |
|
| 525 |
return $icons[ $this->scope ]; |
| 526 |
} |
| 527 |
|
| 528 |
/** |
| 529 |
* Determine if the snippet is a shared network snippet |
| 530 |
* |
| 531 |
* @return bool Whether the snippet is a shared network snippet. |
| 532 |
*/ |
| 533 |
private function get_shared_network() { |
| 534 |
|
| 535 |
if ( isset( $this->fields['shared_network'] ) ) { |
| 536 |
return $this->fields['shared_network']; |
| 537 |
} |
| 538 |
|
| 539 |
if ( ! is_multisite() || ! $this->fields['network'] ) { |
| 540 |
$this->fields['shared_network'] = false; |
| 541 |
} else { |
| 542 |
$shared_network_snippets = get_site_option( 'shared_network_snippets', array() ); |
| 543 |
$this->fields['shared_network'] = in_array( $this->fields['id'], $shared_network_snippets, true ); |
| 544 |
} |
| 545 |
|
| 546 |
return $this->fields['shared_network']; |
| 547 |
} |
| 548 |
|
| 549 |
/** |
| 550 |
* Retrieve the snippet modification date as a timestamp. |
| 551 |
* |
| 552 |
* @return int Timestamp value. |
| 553 |
*/ |
| 554 |
private function get_modified_timestamp() { |
| 555 |
$datetime = DateTime::createFromFormat( self::DATE_FORMAT, $this->modified, new DateTimeZone( 'UTC' ) ); |
| 556 |
|
| 557 |
return $datetime ? $datetime->getTimestamp() : 0; |
| 558 |
} |
| 559 |
|
| 560 |
/** |
| 561 |
* Retrieve the modification time in the local timezone. |
| 562 |
* |
| 563 |
* @return DateTime |
| 564 |
*/ |
| 565 |
private function get_modified_local() { |
| 566 |
|
| 567 |
if ( function_exists( 'wp_timezone' ) ) { |
| 568 |
$timezone = wp_timezone(); |
| 569 |
} else { |
| 570 |
$timezone = get_option( 'timezone_string' ); |
| 571 |
|
| 572 |
/* calculate the timezone manually if it is not available */ |
| 573 |
if ( ! $timezone ) { |
| 574 |
$offset = (float) get_option( 'gmt_offset' ); |
| 575 |
$hours = (int) $offset; |
| 576 |
$minutes = ( $offset - $hours ) * 60; |
| 577 |
|
| 578 |
$sign = ( $offset < 0 ) ? '-' : '+'; |
| 579 |
$timezone = sprintf( '%s%02d:%02d', $sign, abs( $hours ), abs( $minutes ) ); |
| 580 |
} |
| 581 |
|
| 582 |
$timezone = new DateTimeZone( $timezone ); |
| 583 |
} |
| 584 |
|
| 585 |
$datetime = DateTime::createFromFormat( self::DATE_FORMAT, $this->modified, new DateTimeZone( 'UTC' ) ); |
| 586 |
$datetime->setTimezone( $timezone ); |
| 587 |
|
| 588 |
return $datetime; |
| 589 |
} |
| 590 |
|
| 591 |
/** |
| 592 |
* Retrieve the last modified time, nicely formatted for readability. |
| 593 |
* |
| 594 |
* @param boolean $include_html Whether to include HTML in the output. |
| 595 |
* |
| 596 |
* @return string |
| 597 |
*/ |
| 598 |
public function format_modified( $include_html = true ) { |
| 599 |
if ( ! $this->modified ) { |
| 600 |
return ''; |
| 601 |
} |
| 602 |
|
| 603 |
$timestamp = $this->modified_timestamp; |
| 604 |
$time_diff = time() - $timestamp; |
| 605 |
$local_time = $this->modified_local; |
| 606 |
|
| 607 |
if ( $time_diff >= 0 && $time_diff < YEAR_IN_SECONDS ) { |
| 608 |
/* translators: %s: Human-readable time difference. */ |
| 609 |
$human_time = sprintf( __( '%s ago', 'code-snippets' ), human_time_diff( $timestamp ) ); |
| 610 |
} else { |
| 611 |
$human_time = $local_time->format( __( 'Y/m/d', 'code-snippets' ) ); |
| 612 |
} |
| 613 |
|
| 614 |
if ( ! $include_html ) { |
| 615 |
return $human_time; |
| 616 |
} |
| 617 |
|
| 618 |
/* translators: 1: date format, 2: time format */ |
| 619 |
$date_format = _x( '%1$s \a\t %2$s', 'date and time format', 'code-snippets' ); |
| 620 |
$date_format = sprintf( $date_format, get_option( 'date_format' ), get_option( 'time_format' ) ); |
| 621 |
|
| 622 |
return sprintf( '<span title="%s">%s</span>', $local_time->format( $date_format ), $human_time ); |
| 623 |
} |
| 624 |
} |
| 625 |
|
