wordpress-seo / admin / class-export.php

class-export.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 28.4, at admin/class-export.php

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1	<?php
2	/**
3	* WPSEO plugin file.
4	*
5	* @package WPSEO\Admin\Export
6	*/
7
8	/**
9	* Class WPSEO_Export.
10	*
11	* Class with functionality to export the WP SEO settings.
12	*/
13	class WPSEO_Export {
14
15	/**
16	* Holds the nonce action.
17	*
18	* @var string
19	*/
20	public const NONCE_ACTION = 'wpseo_export';
21
22	/**
23	* Holds the export data.
24	*
25	* @var string
26	*/
27	private $export = '';
28
29	/**
30	* Holds whether the export was a success.
31	*
32	* @var bool
33	*/
34	public $success;
35
36	/**
37	* Handles the export request.
38	*
39	* @return void
40	*/
41	public function export() {
42	check_admin_referer( self::NONCE_ACTION );
43	$this->export_settings();
44	$this->output();
45	}
46
47	/**
48	* Outputs the export.
49	*
50	* @return void
51	*/
52	public function output() {
53	if ( ! WPSEO_Capability_Utils::current_user_can( 'wpseo_manage_options' ) ) {
54	esc_html_e( 'You do not have the required rights to export settings.', 'wordpress-seo' );
55	return;
56	}
57
58	echo '<p id="wpseo-settings-export-desc">';
59	printf(
60	/* translators: %1$s expands to Import settings */
61	esc_html__(
62	'Copy all these settings to another site\'s %1$s tab and click "%1$s" there.',
63	'wordpress-seo',
64	),
65	esc_html__(
66	'Import settings',
67	'wordpress-seo',
68	),
69	);
70	echo '</p>';
71	/* translators: %1$s expands to Yoast SEO */
72	echo '<label for="wpseo-settings-export" class="yoast-inline-label">' . sprintf( __( 'Your %1$s settings:', 'wordpress-seo' ), 'Yoast SEO' ) . '</label><br />';
73	echo '<textarea id="wpseo-settings-export" rows="20" cols="100" aria-describedby="wpseo-settings-export-desc">' . esc_textarea( $this->export ) . '</textarea>';
74	}
75
76	/**
77	* Exports the current site's WP SEO settings.
78	*
79	* @return void
80	*/
81	private function export_settings() {
82	$this->export_header();
83
84	foreach ( WPSEO_Options::get_option_names() as $opt_group ) {
85	$this->write_opt_group( $opt_group );
86	}
87	}
88
89	/**
90	* Writes the header of the export.
91	*
92	* @return void
93	*/
94	private function export_header() {
95	$header = sprintf(
96	/* translators: %1$s expands to Yoast SEO, %2$s expands to Yoast.com */
97	esc_html__( 'These are settings for the %1$s plugin by %2$s', 'wordpress-seo' ),
98	'Yoast SEO',
99	'Yoast.com',
100	);
101	$this->write_line( '; ' . $header );
102	}
103
104	/**
105	* Writes a line to the export.
106	*
107	* @param string $line Line string.
108	* @param bool $newline_first Boolean flag whether to prepend with new line.
109	*
110	* @return void
111	*/
112	private function write_line( $line, $newline_first = false ) {
113	if ( $newline_first ) {
114	$this->export .= PHP_EOL;
115	}
116	$this->export .= $line . PHP_EOL;
117	}
118
119	/**
120	* Writes an entire option group to the export.
121	*
122	* @param string $opt_group Option group name.
123	*
124	* @return void
125	*/
126	private function write_opt_group( $opt_group ) {
127
128	$this->write_line( '[' . $opt_group . ']', true );
129
130	$options = get_option( $opt_group );
131
132	if ( ! is_array( $options ) ) {
133	return;
134	}
135
136	foreach ( $options as $key => $elem ) {
137	if ( is_array( $elem ) ) {
138	$count = count( $elem );
139	for ( $i = 0; $i < $count; $i++ ) {
140	$elem_check = ( $elem[ $i ] ?? null );
141	$this->write_setting( $key . '[]', $elem_check );
142	}
143	}
144	else {
145	$this->write_setting( $key, $elem );
146	}
147	}
148	}
149
150	/**
151	* Writes a settings line to the export.
152	*
153	* @param string $key Key string.
154	* @param string $val Value string.
155	*
156	* @return void
157	*/
158	private function write_setting( $key, $val ) {
159	if ( is_string( $val ) ) {
160	$val = '"' . $val . '"';
161	}
162	$this->write_line( $key . ' = ' . $val );
163	}
164	}
165