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<?php |
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|
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namespace FluentCart\App\Services\Theme\Readers; |
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|
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use FluentCart\App\Services\Theme\ColorMath; |
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use FluentCart\App\Services\Theme\ThemePalette; |
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use FluentCart\Framework\Support\Arr; |
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|
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/** |
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* Astra's Customizer colours, read from its settings rather than its slots. |
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* |
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* Astra keeps its Theme Colors as settings that point at a palette swatch |
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* (`var(--ast-global-color-N)`) or hold a custom colour, and its primary |
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* button colours as four settings that are empty until the owner sets them. |
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* `astra_get_option()` merges what the owner saved over Astra's defaults, so |
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* an untouched install reads its defaults and a customised one reads the |
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* customisation — the same values Astra's own dynamic CSS prints from. |
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* |
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* Empty button settings follow Astra's own chain, not a FluentCart default: |
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* background → Accent (`theme-color`), hover background → Link Hover |
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* (`link-h-color`), and each text partner → the colour that reads on its |
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* background. |
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* |
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* Its Buttons → Border Radius (`button-radius-fields`) is the button radius |
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* (see radii()). Astra has no form-field or product-card radius setting. |
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* |
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* Verified against Astra 4.13.11. |
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*/ |
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class AstraSettingsReader implements ThemeSettingsReader, ThemeRadiusReader |
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{ |
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/** |
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* Astra's outline button presets: a transparent background with a border. |
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* |
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* @var array |
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*/ |
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protected static $outlinePresets = ['button_04', 'button_05', 'button_06']; |
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|
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/** |
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* @return bool |
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*/ |
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public static function applies(): bool |
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{ |
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return function_exists('astra_get_option'); |
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} |
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|
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/** |
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* @return array Role => hex or `var(--ast-global-color-N, #hex)`. |
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*/ |
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public static function roles(): array |
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{ |
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if (!self::applies()) { |
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return []; |
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} |
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|
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$roles = []; |
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|
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$accent = self::read('theme-color'); |
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$roles['accent'] = $accent; |
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$roles['text'] = self::read('text-color'); |
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$roles['border'] = self::read('border-color'); |
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|
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// Astra paints the content area with the content background and falls |
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// back to the site background outside it. Tablet and mobile inherit |
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// desktop when empty, so desktop is the value that speaks for all. |
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$surface = self::readResponsive('content-bg-obj-responsive'); |
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|
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if ($surface === '') { |
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$surface = self::readResponsive('site-layout-outside-bg-obj-responsive'); |
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} |
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|
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$roles['surface'] = $surface; |
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|
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// An outline preset turns the primary button transparent: there is no |
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// filled button to report, so the button roles are left to the |
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// palette-slot fallback. |
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$preset = (string)astra_get_option('button-preset-style'); |
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|
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if (!in_array($preset, self::$outlinePresets, true)) { |
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$roles = array_merge($roles, self::buttonPair( |
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astra_get_option('button-bg-color'), |
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$accent, |
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astra_get_option('button-color'), |
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'button_bg', |
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'button_text' |
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)); |
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|
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$roles = array_merge($roles, self::buttonPair( |
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astra_get_option('button-bg-h-color'), |
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self::read('link-h-color'), |
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astra_get_option('button-h-color'), |
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'button_hover_bg', |
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'button_hover_text' |
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)); |
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} |
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|
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return array_filter($roles, function ($value) { |
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return $value !== ''; |
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}); |
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} |
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|
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/** |
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* One background + text pair, following Astra's fallback chain. |
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* |
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* A stated background wins; an empty one follows `$fallbackBg`. A value |
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* that is set but unreadable is not replaced by the fallback — Astra is |
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* painting it, just not in a form FluentCart can write, so the pair is |
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* omitted rather than reported as a colour Astra is not showing. |
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* |
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* @param mixed $rawBg The background setting as saved. |
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* @param string $fallbackBg Already-normalised fallback background. |
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* @param mixed $rawText The text setting as saved. |
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* @param string $bgRole |
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* @param string $textRole |
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* @return array |
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*/ |
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protected static function buttonPair($rawBg, string $fallbackBg, $rawText, string $bgRole, string $textRole): array |
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{ |
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$isSet = is_string($rawBg) && trim($rawBg) !== ''; |
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$background = $isSet ? ThemePalette::settingValue($rawBg) : $fallbackBg; |
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|
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if ($background === '') { |
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return []; |
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} |
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|
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$text = ThemePalette::settingValue($rawText); |
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|
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if ($text === '') { |
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// Astra's own rule for an empty text: the foreground that reads on |
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// the background. |
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$bgHex = ThemePalette::measurable($background); |
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$text = $bgHex !== '' ? ColorMath::readableText($bgHex) : ''; |
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} |
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|
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return [ |
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$bgRole => $background, |
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$textRole => $text, |
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]; |
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} |
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|
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/** |
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* @param string $key |
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* @return string |
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*/ |
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protected static function read(string $key): string |
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{ |
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return ThemePalette::settingValue(astra_get_option($key)); |
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} |
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|
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/** |
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* @param string $key |
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* @return string |
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*/ |
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protected static function readResponsive(string $key): string |
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{ |
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$value = astra_get_option($key); |
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|
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if (!is_array($value)) { |
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return ''; |
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} |
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|
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return ThemePalette::settingValue(Arr::get($value, 'desktop.background-color', '')); |
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} |
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|
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/** |
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* The primary button's Border Radius. |
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* |
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* `button-radius-fields` is a responsive four-corner control; Astra prints |
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* each desktop corner as `<value><desktop-unit>` (astra_responsive_spacing() |
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* in inc/class-astra-dynamic-css.php) and tablet/mobile only override it, |
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* so desktop speaks for all. Only four equal corners are one length. An |
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* empty corner prints nothing — Astra's stylesheet then paints `button` |
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* 2px but `.button` 0, no single answer — so an empty radius states none. |
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* |
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* @return array Role => length, as Astra prints it. |
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*/ |
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public static function radii(): array |
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{ |
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if (!self::applies()) { |
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return []; |
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} |
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|
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$fields = astra_get_option('button-radius-fields'); |
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|
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if (!is_array($fields) || !isset($fields['desktop']) || !is_array($fields['desktop'])) { |
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return []; |
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} |
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$unit = isset($fields['desktop-unit']) && is_string($fields['desktop-unit']) && $fields['desktop-unit'] !== '' |
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? $fields['desktop-unit'] |
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: 'px'; |
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$corners = []; |
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|
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foreach (['top', 'right', 'bottom', 'left'] as $side) { |
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$value = isset($fields['desktop'][$side]) ? $fields['desktop'][$side] : ''; |
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|
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if (!is_numeric($value)) { |
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return []; |
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} |
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$corners[] = $value . $unit; |
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} |
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return count(array_unique($corners)) === 1 ? ['btn' => $corners[0]] : []; |
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} |
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} |
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|
