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Direktori : /home/infra/betheme/betheme/muffin-options/validation/color/
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Current File : //home/infra/betheme/betheme/muffin-options/validation/color/validation_color.php

<?php
class MFN_Validation_color extends MFN_Options{

	/**
	 * Constructor
	 */

	function __construct( $field, $value, $current ){

		$this->field = $field;
		$this->field['msg'] = isset( $this->field['msg'] ) ? $this->field['msg'] : __( 'This field must be a valid color value.', 'mfn-opts' );

		// set value + sanitize
		$this->value = str_replace( ' ', '', $value );

		$this->current = $current;

		$this->validate();
	}

	/**
	 * Validate
	 */

	function validate(){

		// single color

		if( ! is_array( $this->value ) ){

			// allowed values: #f2f2f2, #fff, rgba(0,0,0,0.5), rgba(0,0,0,.5)
			// regex101.com/r/A2IjNO/19

			$pattern = '/^(\#[\da-f]{3}|\#[\da-f]{6}|rgba\(((\d{1,2}|1\d\d|2([0-4]\d|5[0-5]))\s*,\s*){2}((\d{1,2}|1\d\d|2([0-4]\d|5[0-5]))\s*)(,\s*((0)*\.\d+|0|1))\)|rgb\(((\d{1,2}|1\d\d|2([0-4]\d|5[0-5]))\s*,\s*){2}((\d{1,2}|1\d\d|2([0-4]\d|5[0-5]))\s*)\))$/i';

			if( ! preg_match( $pattern, $this->value ) ){
				$this->value = ( isset( $this->current ) ) ? $this->current : '';
				$this->error = $this->field;
				return false;
			}

		}

	}

}

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