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<?php

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/**

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* CSS Utility

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* @package PUM

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class PUM_Utils_CSS {

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/**

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* @param string $hex

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* @param string $return_type

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* @return array|string

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public static function hex2rgb( $hex = '#ffffff', $return_type = 'rgb' ) {

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if ( is_array( $hex ) ) {

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$hex = implode( '', $hex );

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}

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$hex = str_replace( '#', '', $hex );

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if ( strlen( $hex ) === 3 ) {

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$r = hexdec( substr( $hex, 0, 1 ) . substr( $hex, 0, 1 ) );

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$g = hexdec( substr( $hex, 1, 1 ) . substr( $hex, 1, 1 ) );

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$b = hexdec( substr( $hex, 2, 1 ) . substr( $hex, 2, 1 ) );

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} else {

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$r = hexdec( substr( $hex, 0, 2 ) );

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$g = hexdec( substr( $hex, 2, 2 ) );

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$b = hexdec( substr( $hex, 4, 2 ) );

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}

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$rgb = [ $r, $g, $b ];

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if ( 'array' === $return_type ) {

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return $rgb; // returns an array with the rgb values

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}

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return 'rgb(' . implode( ',', $rgb ) . ')'; // returns the rgb values separated by commas

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}

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/**

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* @param string $hex

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* @param int $opacity

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* @return string

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public static function hex2rgba( $hex = '#ffffff', $opacity = 100 ) {

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$rgb = self::hex2rgb( $hex, 'array' );

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$opacity = number_format( intval( $opacity ) / 100, 2 );

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return 'rgba( ' . implode( ', ', $rgb ) . ', ' . $opacity . ' )';

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}

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/**

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* @param int $thickness

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* @param string $style

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* @param string $color

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* @return string

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public static function border_style( $thickness = 1, $style = 'solid', $color = '#cccccc' ) {

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return "{$thickness}px {$style} {$color}";

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}

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/**

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* @param int $horizontal

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* @param int $vertical

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* @param int $blur

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* @param int $spread

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* @param string $hex

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* @param int $opacity

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* @param string $inset

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* @return string

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public static function box_shadow_style( $horizontal = 0, $vertical = 0, $blur = 0, $spread = 0, $hex = '#000000', $opacity = 50, $inset = 'no' ) {

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return "{$horizontal}px {$vertical}px {$blur}px {$spread}px " . self::hex2rgba( $hex, $opacity ) . ( 'yes' === $inset ? ' inset' : '' );

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}

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/**

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* @param int $horizontal

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* @param int $vertical

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* @param int $blur

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* @param string $hex

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* @param int $opacity

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* @return string

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public static function text_shadow_style( $horizontal = 0, $vertical = 0, $blur = 0, $hex = '#000000', $opacity = 50 ) {

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return "{$horizontal}px {$vertical}px {$blur}px " . self::hex2rgba( $hex, $opacity );

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}

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/**

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* @param int|string $size

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* @param int|string $weight

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* @param float|int|string $line_height

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* @param string $family

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* @param string|null $style

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* @param string|null $variant

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* @return mixed

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public static function font_style( $size = 16, $weight = 300, $line_height = 1.2, $family = 'Times New Roman', $style = null, $variant = null ) {

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$size = is_int( $size ) ? "{$size}px" : $size;

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$line_height = is_int( $line_height ) ? "{$line_height}px" : $line_height;

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return str_replace( ' ', ' ', trim( "$style $variant $weight {$size}/{$line_height} \"$family\"" ) );

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}

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}

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