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1 <?php |
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2 /** |
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3 * Aria label block support flag. |
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4 * |
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5 * @package WordPress |
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6 * @since 6.8.0 |
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7 */ |
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8 |
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9 /** |
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10 * Registers the aria-label block attribute for block types that support it. |
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11 * |
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12 * @since 6.8.0 |
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13 * @access private |
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14 * |
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15 * @param WP_Block_Type $block_type Block Type. |
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16 */ |
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17 function wp_register_aria_label_support( $block_type ) { |
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18 $has_aria_label_support = block_has_support( $block_type, array( 'ariaLabel' ), false ); |
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19 |
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20 if ( ! $has_aria_label_support ) { |
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21 return; |
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22 } |
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23 |
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24 if ( ! $block_type->attributes ) { |
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25 $block_type->attributes = array(); |
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26 } |
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27 |
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28 if ( ! array_key_exists( 'ariaLabel', $block_type->attributes ) ) { |
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29 $block_type->attributes['ariaLabel'] = array( |
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30 'type' => 'string', |
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31 ); |
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32 } |
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33 } |
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34 |
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35 /** |
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36 * Add the aria-label to the output. |
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37 * |
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38 * @since 6.8.0 |
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39 * @access private |
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40 * |
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41 * @param WP_Block_Type $block_type Block Type. |
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42 * @param array $block_attributes Block attributes. |
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43 * |
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44 * @return array Block aria-label. |
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45 */ |
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46 function wp_apply_aria_label_support( $block_type, $block_attributes ) { |
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47 if ( ! $block_attributes ) { |
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48 return array(); |
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49 } |
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50 |
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51 $has_aria_label_support = block_has_support( $block_type, array( 'ariaLabel' ), false ); |
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52 if ( ! $has_aria_label_support ) { |
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53 return array(); |
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54 } |
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55 |
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56 $has_aria_label = array_key_exists( 'ariaLabel', $block_attributes ); |
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57 if ( ! $has_aria_label ) { |
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58 return array(); |
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59 } |
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60 return array( 'aria-label' => $block_attributes['ariaLabel'] ); |
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61 } |
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62 |
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63 // Register the block support. |
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64 WP_Block_Supports::get_instance()->register( |
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65 'aria-label', |
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66 array( |
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67 'register_attribute' => 'wp_register_aria_label_support', |
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68 'apply' => 'wp_apply_aria_label_support', |
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69 ) |
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70 ); |