| 1 | <?php  | 
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| 15 | class Kirki_Field_Checkbox extends Kirki_Field { | 
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| 16 | |||
| 17 | /**  | 
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| 18 | * Sets the control type.  | 
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| 19 | *  | 
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| 20 | * @access protected  | 
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| 21 | */  | 
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| 22 | 	protected function set_type() { | 
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| 27 | |||
| 28 | /**  | 
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| 29 | * Sets the $sanitize_callback.  | 
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| 30 | *  | 
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| 31 | * @access protected  | 
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| 32 | */  | 
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| 33 | 	protected function set_sanitize_callback() { | 
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| 34 | |||
| 35 | 		if ( ! $this->sanitize_callback ) { | 
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| 36 | $this->sanitize_callback = array( $this, 'sanitize' );  | 
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| 37 | }  | 
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| 38 | |||
| 39 | }  | 
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| 40 | |||
| 41 | /**  | 
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| 42 | * Sanitizes checkbox values.  | 
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| 43 | *  | 
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| 44 | * @access public  | 
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| 45 | * @param boolean|integer|string|null $value The checkbox value.  | 
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| 46 | * @return bool  | 
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| 47 | */  | 
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| 48 | 	public function sanitize( $value = null ) { | 
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| 49 | |||
| 50 | 		if ( '0' === $value || 'false' === $value ) { | 
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| 51 | return false;  | 
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| 52 | }  | 
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| 53 | |||
| 54 | return (bool) $value;  | 
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| 55 | |||
| 56 | }  | 
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| 57 | |||
| 58 | /**  | 
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| 59 | * Sets the default value.  | 
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| 60 | *  | 
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| 61 | * @access protected  | 
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| 62 | */  | 
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| 63 | 	protected function set_default() { | 
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| 68 | }  | 
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| 69 |