| @@ -54,9 +54,11 @@ | ||
| 54 | 54 | if ( ! empty( $value['preset'] ) ) { |
| 55 | 55 | $css['box-shadow'] = $value['horizontal'] . 'px ' . $value['vertical'] . 'px ' . $value['blur'] . 'px ' . $value['spread'] . 'px ' . $color; |
| 56 | 56 | } |
| 57 | 57 | } else { |
| 58 | - if ( ! empty( $value['horizontal'] ) && ! empty( $value['vertical'] ) ) { | |
| 58 | + // A 0 offset is a valid shadow (e.g. a centered glow); only an unset | |
| 59 | + // value skips it, matching the editor's '' / undefined check. | |
| 60 | + if ( self::is_offset_set( $value['horizontal'] ) && self::is_offset_set( $value['vertical'] ) ) { | |
| 59 | 61 | $css['box-shadow'] = $value['horizontal'] . 'px ' . $value['vertical'] . 'px ' . $value['blur'] . 'px ' . $value['spread'] . 'px ' . $color; |
| 60 | 62 | } |
| 61 | 63 | } |
| 62 | 64 | if ( $value['transitionDuration'] ) { |
| @@ -85,12 +87,20 @@ | ||
| 85 | 87 | if ( ! empty( $value['presetH'] ) ) { |
| 86 | 88 | $css['box-shadow'] = $value['horizontalH'] . 'px ' . $value['verticalH'] . 'px ' . $value['blurH'] . 'px ' . $value['spreadH'] . 'px ' . $colorH; |
| 87 | 89 | } |
| 88 | 90 | } else { |
| 89 | - if ( ! empty( $value['horizontalH'] ) && ! empty( $value['verticalH'] ) ) { | |
| 91 | + if ( self::is_offset_set( $value['horizontalH'] ) && self::is_offset_set( $value['verticalH'] ) ) { | |
| 90 | 92 | $css['box-shadow'] = $value['horizontalH'] . 'px ' . $value['verticalH'] . 'px ' . $value['blurH'] . 'px ' . $value['spreadH'] . 'px ' . $colorH; |
| 91 | 93 | } |
| 92 | 94 | } |
| 93 | 95 | return $css; |
| 96 | + } | |
| 97 | + | |
| 98 | + /** | |
| 99 | + * Whether a shadow offset is set. 0 / "0" count as set; only null and '' | |
| 100 | + * mean "not configured". | |
| 101 | + */ | |
| 102 | + private static function is_offset_set( $value ) { | |
| 103 | + return null !== $value && '' !== $value; | |
| 94 | 104 | } |
| 95 | 105 | |
| 96 | 106 | } |
