%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Class Tribe__Validator__Base
*
* Provides methods to validate values.
*/
class Tribe__Validator__Base implements Tribe__Validator__Interface {
/**
* @param mixed $value
*
* @return bool
*/
public function is_not_null( $value ) {
return null !== $value;
}
/**
* @param mixed $value
*
* @return bool
*/
public function is_null( $value ) {
return null === $value;
}
/**
* @param mixed $value
*
* @return bool
*/
public function is_string( $value ) {
return ! empty( $value ) && is_string( $value );
}
/**
* @param mixed $value
*
* @return bool
*/
public function is_string_or_empty( $value ) {
if ( empty( $value ) ) {
return true;
}
return $this->is_string( $value );
}
/**
* Whether the value is a timestamp or a string parseable by the strtotime function or not.
*
* @param mixed $value
*
* @return bool
*/
public function is_time( $value ) {
return is_numeric( $value ) || ( is_string( $value ) && strtotime( $value ) );
}
/**
* Whether the value corresponds to an existing user ID or not.
*
* @param mixed $value
*
* @return bool
*/
public function is_user_id( $value ) {
return is_numeric( $value ) && (bool) get_user_by( 'ID', $value );
}
/**
* Whether the value is a positive integer or not.
*
* @param mixed $value
*
* @return bool
*/
public function is_positive_int( $value ) {
return is_numeric( $value ) && (int) $value == $value && (int) $value > 0;
}
/**
* Whether the value is a list of positive integers only or not.
*
* @since 4.7.19
*
* @param array|string|int $list
* @param string $sep
*
* @return bool
*/
public function is_positive_int_list( $list, $sep = ',' ) {
$sep = is_string( $sep ) ? $sep : ',';
$list = Tribe__Utils__Array::list_to_array( $list, $sep );
$valid = array_filter( $list, [ $this, 'is_positive_int' ] );
return ! empty( $valid ) && count( $valid ) === count( $list );
}
/**
* Trims a string.
*
* Differently from the trim method it will not use the second argument.
*
* @param string $value
*
* @return string
*/
public function trim( $value ) {
return is_string( $value ) ? trim( $value ) : $value;
}
/**
* Whether the value(s) all map to existing post tags.
*
* @param mixed $tag
*
* @return bool
*/
public function is_post_tag( $tag ) {
return $this->is_term_of_taxonomy( $tag, 'post_tag' );
}
/**
* Whether the term exists and is a term of the specified taxonomy.
*
* @param mixed $term Either a single term `term_id` or `slug` or an array of
* `term_id`s and `slug`s
* @param string $taxonomy
*
* @return bool
*/
public function is_term_of_taxonomy( $term, $taxonomy ) {
$terms = Tribe__Utils__Array::list_to_array( $term, ',' );
if ( empty( $terms ) ) {
return false;
}
foreach ( $terms as $t ) {
if ( ! term_exists( $t, $taxonomy ) ) {
return false;
}
}
return true;
}
/**
* Whether the provided value points to an existing attachment ID or an existing image URL.
*
* @param int|string $image
*
* @return mixed
*/
public function is_image( $image ) {
if ( $this->is_numeric( $image ) ) {
return wp_attachment_is_image( $image );
}
if ( is_string( $image ) ) {
$response = wp_remote_head( $image );
if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
return false;
}
$content_type = wp_remote_retrieve_header( $response, 'content-type' );
if ( empty( $content_type ) || 0 !== strpos( $content_type, 'image' ) ) {
return false;
}
$allowed_mime_types = get_allowed_mime_types();
return ( in_array( $content_type, $allowed_mime_types ) );
}
return false;
}
/**
* Whether the provided value points to an existing attachment ID, an existing image URL, or is empty.
*
* @param int|string $image
*
* @return mixed
*/
public function is_image_or_empty( $image ) {
if ( empty( $image ) ) {
return true;
}
return $this->is_image( $image );
}
/**
* @param mixed $value
*
* @return bool
*/
public function is_numeric( $value ) {
return is_numeric( $value );
}
/**
* Whether a string represents a valid array or not.
*
* Valid means that the string looks like a URL, not that the URL is online and reachable.
*
* @param string $input
*
* @return bool
*/
public function is_url( $input ) {
return (bool) filter_var( $input, FILTER_VALIDATE_URL );
}
/**
* Whether a string represents a valid array or not.
*
* Valid means that the string looks like a URL, not that the URL is online and reachable.
*
* @param string $input
*
* @return bool
*/
public function is_url_or_empty( $input ) {
if ( empty( $input ) ) {
return true;
}
return $this->is_url( $input );
}
/**
* Whether a string represents a valid and registered post status or not.
*
* @param string $post_status
*
* @return bool
*/
public function is_post_status( $post_status ) {
$post_stati = get_post_stati();
if ( empty( $post_stati ) ) {
return false;
}
return in_array( $post_status, $post_stati );
}
/**
* Converts a string, a CSV list to an array.
*
* @since 4.7.19
*
* @param string|array $list
*
* @return array
*/
public function list_to_array( $list ) {
return Tribe__Utils__Array::list_to_array( $list );
}
}
Zerion Mini Shell 1.0