| 1 | <?php |
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| 7 | class PostMetaManager |
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| 8 | { |
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| 9 | /** |
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| 10 | * @param string $metaKey |
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| 11 | * @return mixed |
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| 12 | */ |
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| 13 | public function get( $metaKey, array $args = [] ) |
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| 14 | { |
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| 15 | if( empty( $metaKey ))return; |
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| 16 | |||
| 17 | $args = $this->normalize( $args ); |
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| 18 | $metaKey = $this->buildMetaKey( $metaKey, $args['prefix'] ); |
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| 19 | $metaValue = get_post_meta( $args['id'], $metaKey, $args['single'] ); |
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| 20 | |||
| 21 | if( is_string( $metaValue )) { |
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| 22 | $metaValue = trim( $metaValue ); |
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| 23 | } |
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| 24 | return empty( $metaValue ) |
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| 25 | ? $args['fallback'] |
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| 26 | : $metaValue; |
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| 27 | } |
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| 28 | |||
| 29 | /** |
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| 30 | * @param string $metaKey |
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| 31 | * @param string $prefix |
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| 32 | * @return string |
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| 33 | */ |
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| 34 | protected function buildMetaKey( $metaKey, $prefix ) |
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| 35 | { |
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| 36 | return ( substr( $metaKey, 0, 1 ) == '_' && !empty( $prefix )) |
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| 37 | ? sprintf( '_%s%s', rtrim( $prefix, '_' ), $metaKey ) |
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| 38 | : $prefix . $metaKey; |
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| 39 | } |
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| 40 | |||
| 41 | /** |
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| 42 | * @return array |
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| 43 | */ |
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| 44 | protected function normalize( array $args ) |
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| 45 | { |
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| 46 | $defaults = [ |
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| 47 | 'id' => get_the_ID(), |
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| 48 | 'fallback' => '', |
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| 49 | 'single' => true, |
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| 50 | 'prefix' => Application::prefix() ), |
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| 51 | ]; |
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| 52 | return shortcode_atts( $defaults, array_change_key_case( $args )); |
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| 53 | } |
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| 54 | } |
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| 55 |