<?php
/**
* Pipe-related classes.
*
* @link https://contactform7.com/selectable-recipient-with-pipes/
*/
/**
* Class representing a pair of pipe.
*/
class WPCF7_Pipe {
public $before = '';
public $after = '';
public function __construct( $text ) {
$text = (string) $text;
$pipe_pos = strpos( $text, '|' );
if ( false === $pipe_pos ) {
$this->before = $this->after = trim( $text );
} else {
$this->before = trim( substr( $text, 0, $pipe_pos ) );
$this->after = trim( substr( $text, $pipe_pos + 1 ) );
}
}
}
/**
* Class representing a list of pipes.
*/
class WPCF7_Pipes {
private $pipes = array();
public function __construct( array $texts = null ) {
foreach ( (array) $texts as $text ) {
$this->add_pipe( $text );
}
}
private function add_pipe( $text ) {
$pipe = new WPCF7_Pipe( $text );
$this->pipes[] = $pipe;
}
public function merge( self $another ) {
$this->pipes = array_merge( $this->pipes, $another->pipes );
}
public function do_pipe( $input ) {
$input_canonical = wpcf7_canonicalize( $input, array(
'strto' => 'as-is',
) );
foreach ( $this->pipes as $pipe ) {
$before_canonical = wpcf7_canonicalize( $pipe->before, array(
'strto' => 'as-is',
) );
if ( $input_canonical === $before_canonical ) {
return $pipe->after;
}
}
return $input;
}
public function collect_befores() {
$befores = array();
foreach ( $this->pipes as $pipe ) {
$befores[] = $pipe->before;
}
return $befores;
}
public function collect_afters() {
$afters = array();
foreach ( $this->pipes as $pipe ) {
$afters[] = $pipe->after;
}
return $afters;
}
public function zero() {
return empty( $this->pipes );
}
public function random_pipe() {
if ( $this->zero() ) {
return null;
}
return $this->pipes[array_rand( $this->pipes )];
}
public function to_array() {
return array_map(
static function ( WPCF7_Pipe $pipe ) {
return array(
$pipe->before,
$pipe->after,
);
},
$this->pipes
);
}
}
/**
* Trait for classes that hold cross-tag WPCF7_Pipes object.
*/
trait WPCF7_PipesHolder {
protected $pipes;
public function get_pipes( $field_name ) {
if ( isset( $this->pipes[$field_name] ) ) {
return $this->pipes[$field_name];
}
$result = new WPCF7_Pipes;
$tags = $this->scan_form_tags( array(
'name' => $field_name,
) );
foreach ( $tags as $tag ) {
if ( $tag->pipes instanceof WPCF7_Pipes ) {
$result->merge( $tag->pipes );
}
}
return $this->pipes[$field_name] = $result;
}
public function scan_form_tags() {
return array();
}
}