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<?php
/**
* Checks if nav menus are supported and if theme location or menu names are used
*
* @package Theme Check
*/
/**
* Checks if nav menus are supported and if theme location or menu names are used.
*/
class Nav_Menu_Check implements themecheck {
/**
* Error messages, warnings and info notices.
*
* @var array $error
*/
protected $error = array();
/**
* Check that return true for good/okay/acceptable, false for bad/not-okay/unacceptable.
*
* @param array $php_files File paths and content for PHP files.
* @param array $css_files File paths and content for CSS files.
* @param array $other_files Folder names, file paths and content for other files.
*/
public function check( $php_files, $css_files, $other_files ) {
$ret = true;
$name_check = false;
$php = implode( ' ', $php_files );
checkcount();
if ( strpos( $php, 'nav_menu' ) === false ) {
$this->error[] = sprintf(
'<span class="tc-lead tc-recommended">%s</span>: %s',
__( 'RECOMMENDED', 'theme-check' ),
__( "No reference to nav_menu's was found in the theme. Note that if your theme has a menu bar, it is required to use the WordPress nav_menu functionality for it.", 'theme-check' )
);
}
// Look for add_theme_support( 'menus' ).
checkcount();
if ( preg_match( '/add_theme_support\s*\(\s?("|\')menus("|\')\s?\)/', $php ) ) {
/* translators: 1: function found, 2: function to be used */
$this->error[] = sprintf(
'<span class="tc-lead tc-required">%s</span>: %s',
__( 'REQUIRED', 'theme-check' ),
sprintf(
__( 'Reference to %1$s was found in the theme. This should be removed and %2$s used instead.', 'theme-check' ),
'<strong>add_theme_support( "menus" )</strong>',
'<a href="https://developer.wordpress.org/reference/functions/register_nav_menus/">register_nav_menus()</a>'
)
);
$ret = false;
}
foreach ( $php_files as $file_path => $file_content ) {
$filename = tc_filename( $file_path );
// We are checking for wp_nav_menu( specifically, to allow wp_nav_menu and wp_nav_menu_item in filters etc.
if ( strpos( $file_content, 'wp_nav_menu(' ) !== false ) {
$menu_part = explode( 'wp_nav_menu(', $file_content );
$menu_part = explode( ';', $menu_part[1] );
// If there is a menu, check for a theme location, which is required.
// Check if the arguments are placed outside wp_nav_menu.
checkcount();
if ( strpos( $menu_part[0], '$' ) !== false && strpos( $menu_part[0], 'theme_location' ) === false ) {
$menu_args = explode( '$', $menu_part[0], 1 );
$name = explode( ')', $menu_args[0] );
$this->error[] = sprintf(
'<span class="tc-lead tc-warning">%s</span>: %s',
__( 'WARNING', 'theme-check' ),
sprintf(
__( 'A menu without a theme_location was found in %1$s. %2$s is used inside wp_nav_menu(). You must manually check if the theme_location is included.', 'theme-check' ),
'<strong>' . $filename . '</strong>',
'<code>' . $name[0] . '</code>'
)
);
$name_check = true;
} else {
checkcount();
if ( strpos( $menu_part[0], 'theme_location' ) === false ) {
$this->error[] = sprintf(
'<span class="tc-lead tc-required">%s</span>: %s',
__( 'REQUIRED', 'theme-check' ),
sprintf(
__( 'A menu without a theme_location was found in %1$s.', 'theme-check' ),
'<strong>' . $filename . '</strong>'
)
);
$ret = false;
$name_check = true;
}
}
// We only need to warn for the menu name if theme location is not set.
checkcount();
if ( $name_check === true && preg_match( '/("|\')menu("|\').*?=>/', $menu_part[0] ) ) {
$this->error[] = sprintf(
'<span class="tc-lead tc-required">%s</span>: %s',
__( 'REQUIRED', 'theme-check' ),
sprintf(
__( 'A menu name is being used for a menu in %1$s. By using menu name, the menu would be required to have the exact same name in the WordPress admin area. Use a theme_location instead.', 'theme-check' ),
'<strong>' . $filename . '</strong>'
)
);
$ret = false;
}
}
}
return $ret;
}
/**
* Get error messages from the checks.
*
* @return array Error message.
*/
public function getError() {
return $this->error;
}
}
$themechecks[] = new Nav_Menu_Check();