}

[500] Fix | Delete

return $found_themes;

[501] Fix | Delete

}

[502] Fix | Delete

if ( ! is_int( $cache_expiration ) ) {

[503] Fix | Delete

$cache_expiration = 30 * MINUTE_IN_SECONDS;

[504] Fix | Delete

}

[505] Fix | Delete

} else {

[506] Fix | Delete

$cache_expiration = 30 * MINUTE_IN_SECONDS;

[507] Fix | Delete

}

[508] Fix | Delete

[509] Fix | Delete

/* Loop the registered theme directories and extract all themes */

[510] Fix | Delete

foreach ( $wp_theme_directories as $theme_root ) {

[511] Fix | Delete

[512] Fix | Delete

// Start with directories in the root of the active theme directory.

[513] Fix | Delete

$dirs = @ scandir( $theme_root );

[514] Fix | Delete

if ( ! $dirs ) {

[515] Fix | Delete

wp_trigger_error( __FUNCTION__, "$theme_root is not readable" );

[516] Fix | Delete

continue;

[517] Fix | Delete

}

[518] Fix | Delete

foreach ( $dirs as $dir ) {

[519] Fix | Delete

if ( ! is_dir( $theme_root . '/' . $dir ) || '.' === $dir[0] || 'CVS' === $dir ) {

[520] Fix | Delete

continue;

[521] Fix | Delete

}

[522] Fix | Delete

if ( file_exists( $theme_root . '/' . $dir . '/style.css' ) ) {

[523] Fix | Delete

/*

[524] Fix | Delete

* wp-content/themes/a-single-theme

[525] Fix | Delete

* wp-content/themes is $theme_root, a-single-theme is $dir.

[526] Fix | Delete

*/

[527] Fix | Delete

$found_themes[ $dir ] = array(

[528] Fix | Delete

'theme_file' => $dir . '/style.css',

[529] Fix | Delete

'theme_root' => $theme_root,

[530] Fix | Delete

);

[531] Fix | Delete

} else {

[532] Fix | Delete

$found_theme = false;

[533] Fix | Delete

/*

[534] Fix | Delete

* wp-content/themes/a-folder-of-themes/*

[535] Fix | Delete

* wp-content/themes is $theme_root, a-folder-of-themes is $dir, then themes are $sub_dirs.

[536] Fix | Delete

*/

[537] Fix | Delete

$sub_dirs = @ scandir( $theme_root . '/' . $dir );

[538] Fix | Delete

if ( ! $sub_dirs ) {

[539] Fix | Delete

wp_trigger_error( __FUNCTION__, "$theme_root/$dir is not readable" );

[540] Fix | Delete

continue;

[541] Fix | Delete

}

[542] Fix | Delete

foreach ( $sub_dirs as $sub_dir ) {

[543] Fix | Delete

if ( ! is_dir( $theme_root . '/' . $dir . '/' . $sub_dir ) || '.' === $dir[0] || 'CVS' === $dir ) {

[544] Fix | Delete

continue;

[545] Fix | Delete

}

[546] Fix | Delete

if ( ! file_exists( $theme_root . '/' . $dir . '/' . $sub_dir . '/style.css' ) ) {

[547] Fix | Delete

continue;

[548] Fix | Delete

}

[549] Fix | Delete

$found_themes[ $dir . '/' . $sub_dir ] = array(

[550] Fix | Delete

'theme_file' => $dir . '/' . $sub_dir . '/style.css',

[551] Fix | Delete

'theme_root' => $theme_root,

[552] Fix | Delete

);

[553] Fix | Delete

$found_theme = true;

[554] Fix | Delete

}

[555] Fix | Delete

/*

[556] Fix | Delete

* Never mind the above, it's just a theme missing a style.css.

[557] Fix | Delete

* Return it; WP_Theme will catch the error.

[558] Fix | Delete

*/

[559] Fix | Delete

if ( ! $found_theme ) {

[560] Fix | Delete

$found_themes[ $dir ] = array(

[561] Fix | Delete

'theme_file' => $dir . '/style.css',

[562] Fix | Delete

'theme_root' => $theme_root,

[563] Fix | Delete

);

[564] Fix | Delete

}

[565] Fix | Delete

}

[566] Fix | Delete

}

[567] Fix | Delete

}

[568] Fix | Delete

[569] Fix | Delete

asort( $found_themes );

[570] Fix | Delete

[571] Fix | Delete

$theme_roots = array();

[572] Fix | Delete

$relative_theme_roots = array_flip( $relative_theme_roots );

[573] Fix | Delete

[574] Fix | Delete

foreach ( $found_themes as $theme_dir => $theme_data ) {

[575] Fix | Delete

$theme_roots[ $theme_dir ] = $relative_theme_roots[ $theme_data['theme_root'] ]; // Convert absolute to relative.

[576] Fix | Delete

}

[577] Fix | Delete

[578] Fix | Delete

if ( get_site_transient( 'theme_roots' ) !== $theme_roots ) {

[579] Fix | Delete

set_site_transient( 'theme_roots', $theme_roots, $cache_expiration );

[580] Fix | Delete

}

[581] Fix | Delete

[582] Fix | Delete

return $found_themes;

[583] Fix | Delete

}

[584] Fix | Delete

[585] Fix | Delete

/**

[586] Fix | Delete

* Retrieves path to themes directory.

[587] Fix | Delete

*

[588] Fix | Delete

* Does not have trailing slash.

[589] Fix | Delete

*

[590] Fix | Delete

* @since 1.5.0

[591] Fix | Delete

*

[592] Fix | Delete

* @global string[] $wp_theme_directories

[593] Fix | Delete

*

[594] Fix | Delete

* @param string $stylesheet_or_template Optional. The stylesheet or template name of the theme.

[595] Fix | Delete

* Default is to leverage the main theme root.

[596] Fix | Delete

* @return string Themes directory path.

[597] Fix | Delete

*/

[598] Fix | Delete

function get_theme_root( $stylesheet_or_template = '' ) {

[599] Fix | Delete

global $wp_theme_directories;

[600] Fix | Delete

[601] Fix | Delete

$theme_root = '';

[602] Fix | Delete

[603] Fix | Delete

if ( $stylesheet_or_template ) {

[604] Fix | Delete

$theme_root = get_raw_theme_root( $stylesheet_or_template );

[605] Fix | Delete

if ( $theme_root ) {

[606] Fix | Delete

/*

[607] Fix | Delete

* Always prepend WP_CONTENT_DIR unless the root currently registered as a theme directory.

[608] Fix | Delete

* This gives relative theme roots the benefit of the doubt when things go haywire.

[609] Fix | Delete

*/

[610] Fix | Delete

if ( ! in_array( $theme_root, (array) $wp_theme_directories, true ) ) {

[611] Fix | Delete

$theme_root = WP_CONTENT_DIR . $theme_root;

[612] Fix | Delete

}

[613] Fix | Delete

}

[614] Fix | Delete

}

[615] Fix | Delete

[616] Fix | Delete

if ( ! $theme_root ) {

[617] Fix | Delete

$theme_root = WP_CONTENT_DIR . '/themes';

[618] Fix | Delete

}

[619] Fix | Delete

[620] Fix | Delete

/**

[621] Fix | Delete

* Filters the absolute path to the themes directory.

[622] Fix | Delete

*

[623] Fix | Delete

* @since 1.5.0

[624] Fix | Delete

*

[625] Fix | Delete

* @param string $theme_root Absolute path to themes directory.

[626] Fix | Delete

*/

[627] Fix | Delete

return apply_filters( 'theme_root', $theme_root );

[628] Fix | Delete

}

[629] Fix | Delete

[630] Fix | Delete

/**

[631] Fix | Delete

* Retrieves URI for themes directory.

[632] Fix | Delete

*

[633] Fix | Delete

* Does not have trailing slash.

[634] Fix | Delete

*

[635] Fix | Delete

* @since 1.5.0

[636] Fix | Delete

*

[637] Fix | Delete

* @global string[] $wp_theme_directories

[638] Fix | Delete

*

[639] Fix | Delete

* @param string $stylesheet_or_template Optional. The stylesheet or template name of the theme.

[640] Fix | Delete

* Default is to leverage the main theme root.

[641] Fix | Delete

* @param string $theme_root Optional. The theme root for which calculations will be based,

[642] Fix | Delete

* preventing the need for a get_raw_theme_root() call. Default empty.

[643] Fix | Delete

* @return string Themes directory URI.

[644] Fix | Delete

*/

[645] Fix | Delete

function get_theme_root_uri( $stylesheet_or_template = '', $theme_root = '' ) {

[646] Fix | Delete

global $wp_theme_directories;

[647] Fix | Delete

[648] Fix | Delete

if ( $stylesheet_or_template && ! $theme_root ) {

[649] Fix | Delete

$theme_root = get_raw_theme_root( $stylesheet_or_template );

[650] Fix | Delete

}

[651] Fix | Delete

[652] Fix | Delete

if ( $stylesheet_or_template && $theme_root ) {

[653] Fix | Delete

if ( in_array( $theme_root, (array) $wp_theme_directories, true ) ) {

[654] Fix | Delete

// Absolute path. Make an educated guess. YMMV -- but note the filter below.

[655] Fix | Delete

if ( str_starts_with( $theme_root, WP_CONTENT_DIR ) ) {

[656] Fix | Delete

$theme_root_uri = content_url( str_replace( WP_CONTENT_DIR, '', $theme_root ) );

[657] Fix | Delete

} elseif ( str_starts_with( $theme_root, ABSPATH ) ) {

[658] Fix | Delete

$theme_root_uri = site_url( str_replace( ABSPATH, '', $theme_root ) );

[659] Fix | Delete

} elseif ( str_starts_with( $theme_root, WP_PLUGIN_DIR ) || str_starts_with( $theme_root, WPMU_PLUGIN_DIR ) ) {

[660] Fix | Delete

$theme_root_uri = plugins_url( basename( $theme_root ), $theme_root );

[661] Fix | Delete

} else {

[662] Fix | Delete

$theme_root_uri = $theme_root;

[663] Fix | Delete

}

[664] Fix | Delete

} else {

[665] Fix | Delete

$theme_root_uri = content_url( $theme_root );

[666] Fix | Delete

}

[667] Fix | Delete

} else {

[668] Fix | Delete

$theme_root_uri = content_url( 'themes' );

[669] Fix | Delete

}

[670] Fix | Delete

[671] Fix | Delete

/**

[672] Fix | Delete

* Filters the URI for themes directory.

[673] Fix | Delete

*

[674] Fix | Delete

* @since 1.5.0

[675] Fix | Delete

*

[676] Fix | Delete

* @param string $theme_root_uri The URI for themes directory.

[677] Fix | Delete

* @param string $siteurl WordPress web address which is set in General Options.

[678] Fix | Delete

* @param string $stylesheet_or_template The stylesheet or template name of the theme.

[679] Fix | Delete

*/

[680] Fix | Delete

return apply_filters( 'theme_root_uri', $theme_root_uri, get_option( 'siteurl' ), $stylesheet_or_template );

[681] Fix | Delete

}

[682] Fix | Delete

[683] Fix | Delete

/**

[684] Fix | Delete

* Gets the raw theme root relative to the content directory with no filters applied.

[685] Fix | Delete

*

[686] Fix | Delete

* @since 3.1.0

[687] Fix | Delete

*

[688] Fix | Delete

* @global string[] $wp_theme_directories

[689] Fix | Delete

*

[690] Fix | Delete

* @param string $stylesheet_or_template The stylesheet or template name of the theme.

[691] Fix | Delete

* @param bool $skip_cache Optional. Whether to skip the cache.

[692] Fix | Delete

* Defaults to false, meaning the cache is used.

[693] Fix | Delete

* @return string Theme root.

[694] Fix | Delete

*/

[695] Fix | Delete

function get_raw_theme_root( $stylesheet_or_template, $skip_cache = false ) {

[696] Fix | Delete

global $wp_theme_directories;

[697] Fix | Delete

[698] Fix | Delete

if ( ! is_array( $wp_theme_directories ) || count( $wp_theme_directories ) <= 1 ) {

[699] Fix | Delete

return '/themes';

[700] Fix | Delete

}

[701] Fix | Delete

[702] Fix | Delete

$theme_root = false;

[703] Fix | Delete

[704] Fix | Delete

// If requesting the root for the active theme, consult options to avoid calling get_theme_roots().

[705] Fix | Delete

if ( ! $skip_cache ) {

[706] Fix | Delete

if ( get_option( 'stylesheet' ) === $stylesheet_or_template ) {

[707] Fix | Delete

$theme_root = get_option( 'stylesheet_root' );

[708] Fix | Delete

} elseif ( get_option( 'template' ) === $stylesheet_or_template ) {

[709] Fix | Delete

$theme_root = get_option( 'template_root' );

[710] Fix | Delete

}

[711] Fix | Delete

}

[712] Fix | Delete

[713] Fix | Delete

if ( empty( $theme_root ) ) {

[714] Fix | Delete

$theme_roots = get_theme_roots();

[715] Fix | Delete

if ( ! empty( $theme_roots[ $stylesheet_or_template ] ) ) {

[716] Fix | Delete

$theme_root = $theme_roots[ $stylesheet_or_template ];

[717] Fix | Delete

}

[718] Fix | Delete

}

[719] Fix | Delete

[720] Fix | Delete

return $theme_root;

[721] Fix | Delete

}

[722] Fix | Delete

[723] Fix | Delete

/**

[724] Fix | Delete

* Displays localized stylesheet link element.

[725] Fix | Delete

*

[726] Fix | Delete

* @since 2.1.0

[727] Fix | Delete

*/

[728] Fix | Delete

function locale_stylesheet() {

[729] Fix | Delete

$stylesheet = get_locale_stylesheet_uri();

[730] Fix | Delete

if ( empty( $stylesheet ) ) {

[731] Fix | Delete

return;

[732] Fix | Delete

}

[733] Fix | Delete

[734] Fix | Delete

$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';

[735] Fix | Delete

[736] Fix | Delete

printf(

[737] Fix | Delete

'<link rel="stylesheet" href="%s"%s media="screen" />',

[738] Fix | Delete

$stylesheet,

[739] Fix | Delete

$type_attr

[740] Fix | Delete

);

[741] Fix | Delete

}

[742] Fix | Delete

[743] Fix | Delete

/**

[744] Fix | Delete

* Switches the theme.

[745] Fix | Delete

*

[746] Fix | Delete

* Accepts one argument: $stylesheet of the theme. It also accepts an additional function signature

[747] Fix | Delete

* of two arguments: $template then $stylesheet. This is for backward compatibility.

[748] Fix | Delete

*

[749] Fix | Delete

* @since 2.5.0

[750] Fix | Delete

*

[751] Fix | Delete

* @global string[] $wp_theme_directories

[752] Fix | Delete

* @global WP_Customize_Manager $wp_customize

[753] Fix | Delete

* @global array $sidebars_widgets

[754] Fix | Delete

* @global array $wp_registered_sidebars

[755] Fix | Delete

*

[756] Fix | Delete

* @param string $stylesheet Stylesheet name.

[757] Fix | Delete

*/

[758] Fix | Delete

function switch_theme( $stylesheet ) {

[759] Fix | Delete

global $wp_theme_directories, $wp_customize, $sidebars_widgets, $wp_registered_sidebars;

[760] Fix | Delete

[761] Fix | Delete

$requirements = validate_theme_requirements( $stylesheet );

[762] Fix | Delete

if ( is_wp_error( $requirements ) ) {

[763] Fix | Delete

wp_die( $requirements );

[764] Fix | Delete

}

[765] Fix | Delete

[766] Fix | Delete

$_sidebars_widgets = null;

[767] Fix | Delete

if ( 'wp_ajax_customize_save' === current_action() ) {

[768] Fix | Delete

$old_sidebars_widgets_data_setting = $wp_customize->get_setting( 'old_sidebars_widgets_data' );

[769] Fix | Delete

if ( $old_sidebars_widgets_data_setting ) {

[770] Fix | Delete

$_sidebars_widgets = $wp_customize->post_value( $old_sidebars_widgets_data_setting );

[771] Fix | Delete

}

[772] Fix | Delete

} elseif ( is_array( $sidebars_widgets ) ) {

[773] Fix | Delete

$_sidebars_widgets = $sidebars_widgets;

[774] Fix | Delete

}

[775] Fix | Delete

[776] Fix | Delete

if ( is_array( $_sidebars_widgets ) ) {

[777] Fix | Delete

set_theme_mod(

[778] Fix | Delete

'sidebars_widgets',

[779] Fix | Delete

array(

[780] Fix | Delete

'time' => time(),

[781] Fix | Delete

'data' => $_sidebars_widgets,

[782] Fix | Delete

)

[783] Fix | Delete

);

[784] Fix | Delete

}

[785] Fix | Delete

[786] Fix | Delete

$nav_menu_locations = get_theme_mod( 'nav_menu_locations' );

[787] Fix | Delete

update_option( 'theme_switch_menu_locations', $nav_menu_locations, true );

[788] Fix | Delete

[789] Fix | Delete

if ( func_num_args() > 1 ) {

[790] Fix | Delete

$stylesheet = func_get_arg( 1 );

[791] Fix | Delete

}

[792] Fix | Delete

[793] Fix | Delete

$old_theme = wp_get_theme();

[794] Fix | Delete

$new_theme = wp_get_theme( $stylesheet );

[795] Fix | Delete

$template = $new_theme->get_template();

[796] Fix | Delete

[797] Fix | Delete

if ( wp_is_recovery_mode() ) {

[798] Fix | Delete

$paused_themes = wp_paused_themes();

[799] Fix | Delete

$paused_themes->delete( $old_theme->get_stylesheet() );

[800] Fix | Delete

$paused_themes->delete( $old_theme->get_template() );

[801] Fix | Delete

}

[802] Fix | Delete

[803] Fix | Delete

update_option( 'template', $template );

[804] Fix | Delete

update_option( 'stylesheet', $stylesheet );

[805] Fix | Delete

[806] Fix | Delete

if ( count( $wp_theme_directories ) > 1 ) {

[807] Fix | Delete

update_option( 'template_root', get_raw_theme_root( $template, true ) );

[808] Fix | Delete

update_option( 'stylesheet_root', get_raw_theme_root( $stylesheet, true ) );

[809] Fix | Delete

} else {

[810] Fix | Delete

delete_option( 'template_root' );

[811] Fix | Delete

delete_option( 'stylesheet_root' );

[812] Fix | Delete

}

[813] Fix | Delete

[814] Fix | Delete

$new_name = $new_theme->get( 'Name' );

[815] Fix | Delete

[816] Fix | Delete

update_option( 'current_theme', $new_name );

[817] Fix | Delete

[818] Fix | Delete

// Migrate from the old mods_{name} option to theme_mods_{slug}.

[819] Fix | Delete

if ( is_admin() && false === get_option( 'theme_mods_' . $stylesheet ) ) {

[820] Fix | Delete

$default_theme_mods = (array) get_option( 'mods_' . $new_name );

[821] Fix | Delete

if ( ! empty( $nav_menu_locations ) && empty( $default_theme_mods['nav_menu_locations'] ) ) {

[822] Fix | Delete

$default_theme_mods['nav_menu_locations'] = $nav_menu_locations;

[823] Fix | Delete

}

[824] Fix | Delete

add_option( "theme_mods_$stylesheet", $default_theme_mods );

[825] Fix | Delete

} else {

[826] Fix | Delete

/*

[827] Fix | Delete

* Since retrieve_widgets() is called when initializing a theme in the Customizer,

[828] Fix | Delete

* we need to remove the theme mods to avoid overwriting changes made via

[829] Fix | Delete

* the Customizer when accessing wp-admin/widgets.php.

[830] Fix | Delete

*/

[831] Fix | Delete

if ( 'wp_ajax_customize_save' === current_action() ) {

[832] Fix | Delete

remove_theme_mod( 'sidebars_widgets' );

[833] Fix | Delete

}

[834] Fix | Delete

}

[835] Fix | Delete

[836] Fix | Delete

// Stores classic sidebars for later use by block themes.

[837] Fix | Delete

if ( $new_theme->is_block_theme() ) {

[838] Fix | Delete

set_theme_mod( 'wp_classic_sidebars', $wp_registered_sidebars );

[839] Fix | Delete

}

[840] Fix | Delete

[841] Fix | Delete

update_option( 'theme_switched', $old_theme->get_stylesheet() );

[842] Fix | Delete

[843] Fix | Delete

/*

[844] Fix | Delete

* Reset template globals when switching themes outside of a switched blog

[845] Fix | Delete

* context to ensure templates will be loaded from the new theme.

[846] Fix | Delete

*/

[847] Fix | Delete

if ( ! is_multisite() || ! ms_is_switched() ) {

[848] Fix | Delete

wp_set_template_globals();

[849] Fix | Delete

}

[850] Fix | Delete

[851] Fix | Delete

// Clear pattern caches.

[852] Fix | Delete

if ( ! is_multisite() ) {

[853] Fix | Delete

$new_theme->delete_pattern_cache();

[854] Fix | Delete

$old_theme->delete_pattern_cache();

[855] Fix | Delete

}

[856] Fix | Delete

[857] Fix | Delete

// Set autoload=no for the old theme, autoload=yes for the switched theme.

[858] Fix | Delete

$theme_mods_options = array(

[859] Fix | Delete

'theme_mods_' . $stylesheet => 'yes',

[860] Fix | Delete

'theme_mods_' . $old_theme->get_stylesheet() => 'no',

[861] Fix | Delete

);

[862] Fix | Delete

wp_set_option_autoload_values( $theme_mods_options );

[863] Fix | Delete

[864] Fix | Delete

/**

[865] Fix | Delete

* Fires after the theme is switched.

[866] Fix | Delete

*

[867] Fix | Delete

* See {@see 'after_switch_theme'}.

[868] Fix | Delete

*

[869] Fix | Delete

* @since 1.5.0

[870] Fix | Delete

* @since 4.5.0 Introduced the `$old_theme` parameter.

[871] Fix | Delete

*

[872] Fix | Delete

* @param string $new_name Name of the new theme.

[873] Fix | Delete

* @param WP_Theme $new_theme WP_Theme instance of the new theme.

[874] Fix | Delete

* @param WP_Theme $old_theme WP_Theme instance of the old theme.

[875] Fix | Delete

*/

[876] Fix | Delete

do_action( 'switch_theme', $new_name, $new_theme, $old_theme );

[877] Fix | Delete

}

[878] Fix | Delete

[879] Fix | Delete

/**

[880] Fix | Delete

* Checks that the active theme has the required files.

[881] Fix | Delete

*

[882] Fix | Delete

* Standalone themes need to have a `templates/index.html` or `index.php` template file.

[883] Fix | Delete

* Child themes need to have a `Template` header in the `style.css` stylesheet.

[884] Fix | Delete

*

[885] Fix | Delete

* Does not initially check the default theme, which is the fallback and should always exist.

[886] Fix | Delete

* But if it doesn't exist, it'll fall back to the latest core default theme that does exist.

[887] Fix | Delete

* Will switch theme to the fallback theme if active theme does not validate.

[888] Fix | Delete

*

[889] Fix | Delete

* You can use the {@see 'validate_current_theme'} filter to return false to disable

[890] Fix | Delete

* this functionality.

[891] Fix | Delete

*

[892] Fix | Delete

* @since 1.5.0

[893] Fix | Delete

* @since 6.0.0 Removed the requirement for block themes to have an `index.php` template.

[894] Fix | Delete

*

[895] Fix | Delete

* @see WP_DEFAULT_THEME

[896] Fix | Delete

*

[897] Fix | Delete

* @return bool

[898] Fix | Delete

*/

[899] Fix | Delete

function validate_current_theme() {

[900] Fix | Delete

/**

[901] Fix | Delete

* Filters whether to validate the active theme.

[902] Fix | Delete

*

[903] Fix | Delete

* @since 2.7.0

[904] Fix | Delete

*

[905] Fix | Delete

* @param bool $validate Whether to validate the active theme. Default true.

[906] Fix | Delete

*/

[907] Fix | Delete

if ( wp_installing() || ! apply_filters( 'validate_current_theme', true ) ) {

[908] Fix | Delete

return true;

[909] Fix | Delete

}

[910] Fix | Delete

[911] Fix | Delete

if (

[912] Fix | Delete

! file_exists( get_template_directory() . '/templates/index.html' )

[913] Fix | Delete

&& ! file_exists( get_template_directory() . '/block-templates/index.html' ) // Deprecated path support since 5.9.0.

[914] Fix | Delete

&& ! file_exists( get_template_directory() . '/index.php' )

[915] Fix | Delete

) {

[916] Fix | Delete

// Invalid.

[917] Fix | Delete

} elseif ( ! file_exists( get_template_directory() . '/style.css' ) ) {

[918] Fix | Delete

// Invalid.

[919] Fix | Delete

} elseif ( is_child_theme() && ! file_exists( get_stylesheet_directory() . '/style.css' ) ) {

[920] Fix | Delete

// Invalid.

[921] Fix | Delete

} else {

[922] Fix | Delete

// Valid.

[923] Fix | Delete

return true;

[924] Fix | Delete

}

[925] Fix | Delete

[926] Fix | Delete

$default = wp_get_theme( WP_DEFAULT_THEME );

[927] Fix | Delete

if ( $default->exists() ) {

[928] Fix | Delete

switch_theme( WP_DEFAULT_THEME );

[929] Fix | Delete

return false;

[930] Fix | Delete

}

[931] Fix | Delete

[932] Fix | Delete

/**

[933] Fix | Delete

* If we're in an invalid state but WP_DEFAULT_THEME doesn't exist,

[934] Fix | Delete

* switch to the latest core default theme that's installed.

[935] Fix | Delete

*

[936] Fix | Delete

* If it turns out that this latest core default theme is our current

[937] Fix | Delete

* theme, then there's nothing we can do about that, so we have to bail,

[938] Fix | Delete

* rather than going into an infinite loop. (This is why there are

[939] Fix | Delete

* checks against WP_DEFAULT_THEME above, also.) We also can't do anything

[940] Fix | Delete

* if it turns out there is no default theme installed. (That's `false`.)

[941] Fix | Delete

*/

[942] Fix | Delete

$default = WP_Theme::get_core_default_theme();

[943] Fix | Delete

if ( false === $default || get_stylesheet() === $default->get_stylesheet() ) {

[944] Fix | Delete

return true;

[945] Fix | Delete

}

[946] Fix | Delete

[947] Fix | Delete

switch_theme( $default->get_stylesheet() );

[948] Fix | Delete

return false;

[949] Fix | Delete

}

[950] Fix | Delete

[951] Fix | Delete

/**

[952] Fix | Delete

* Validates the theme requirements for WordPress version and PHP version.

[953] Fix | Delete

*

[954] Fix | Delete

* Uses the information from `Requires at least` and `Requires PHP` headers

[955] Fix | Delete

* defined in the theme's `style.css` file.

[956] Fix | Delete

*

[957] Fix | Delete

* @since 5.5.0

[958] Fix | Delete

* @since 5.8.0 Removed support for using `readme.txt` as a fallback.

[959] Fix | Delete

*

[960] Fix | Delete

* @param string $stylesheet Directory name for the theme.

[961] Fix | Delete

* @return true|WP_Error True if requirements are met, WP_Error on failure.

[962] Fix | Delete

*/

[963] Fix | Delete

function validate_theme_requirements( $stylesheet ) {

[964] Fix | Delete

$theme = wp_get_theme( $stylesheet );

[965] Fix | Delete

[966] Fix | Delete

$requirements = array(

[967] Fix | Delete

'requires' => ! empty( $theme->get( 'RequiresWP' ) ) ? $theme->get( 'RequiresWP' ) : '',

[968] Fix | Delete

'requires_php' => ! empty( $theme->get( 'RequiresPHP' ) ) ? $theme->get( 'RequiresPHP' ) : '',

[969] Fix | Delete

);

[970] Fix | Delete

[971] Fix | Delete

$compatible_wp = is_wp_version_compatible( $requirements['requires'] );

[972] Fix | Delete

$compatible_php = is_php_version_compatible( $requirements['requires_php'] );

[973] Fix | Delete

[974] Fix | Delete

if ( ! $compatible_wp && ! $compatible_php ) {

[975] Fix | Delete

return new WP_Error(

[976] Fix | Delete

'theme_wp_php_incompatible',

[977] Fix | Delete

sprintf(

[978] Fix | Delete

/* translators: %s: Theme name. */

[979] Fix | Delete

_x( '<strong>Error:</strong> Current WordPress and PHP versions do not meet minimum requirements for %s.', 'theme' ),

[980] Fix | Delete

$theme->display( 'Name' )

[981] Fix | Delete

)

[982] Fix | Delete

);

[983] Fix | Delete

} elseif ( ! $compatible_php ) {

[984] Fix | Delete

return new WP_Error(

[985] Fix | Delete

'theme_php_incompatible',

[986] Fix | Delete

sprintf(

[987] Fix | Delete

/* translators: %s: Theme name. */

[988] Fix | Delete

_x( '<strong>Error:</strong> Current PHP version does not meet minimum requirements for %s.', 'theme' ),

[989] Fix | Delete

$theme->display( 'Name' )

[990] Fix | Delete

)

[991] Fix | Delete

);

[992] Fix | Delete

} elseif ( ! $compatible_wp ) {

[993] Fix | Delete

return new WP_Error(

[994] Fix | Delete

'theme_wp_incompatible',

[995] Fix | Delete

sprintf(

[996] Fix | Delete

/* translators: %s: Theme name. */

[997] Fix | Delete

_x( '<strong>Error:</strong> Current WordPress version does not meet minimum requirements for %s.', 'theme' ),

[998] Fix | Delete

$theme->display( 'Name' )

[999] Fix | Delete