363 lines
7.9 KiB
PHP
363 lines
7.9 KiB
PHP
<?php
|
|
/**
|
|
* Studio Pro Theme
|
|
*
|
|
* This file adds helper functions used in the Studio Pro Theme.
|
|
*
|
|
* @package StudioPro
|
|
* @link https://seothemes.com/themes/studio-pro
|
|
* @author SEO Themes
|
|
* @copyright Copyright © 2017 SEO Themes
|
|
* @license GPL-2.0+
|
|
*/
|
|
|
|
// If this file is called directly, abort.
|
|
if ( ! defined( 'WPINC' ) ) {
|
|
|
|
die;
|
|
|
|
}
|
|
|
|
/**
|
|
* Sanitize number values.
|
|
*
|
|
* Ensure number is an absolute integer (whole number, zero or greater). If
|
|
* input is an absolute integer, return it. Otherwise, return default.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param string $number The rgba color to sanitize.
|
|
* @param string $setting Sanitized value.
|
|
*
|
|
* @return string
|
|
*/
|
|
function studio_sanitize_number( $number, $setting ) {
|
|
|
|
$number = absint( $number );
|
|
|
|
return ( $number ? $number : $setting->default );
|
|
|
|
}
|
|
|
|
/**
|
|
* Sanitize RGBA values.
|
|
*
|
|
* If string does not start with 'rgba', then treat as hex then
|
|
* sanitize the hex color and finally convert hex to rgba.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @param string $color The rgba color to sanitize.
|
|
*
|
|
* @return string $color Sanitized value.
|
|
*/
|
|
function sanitize_rgba_color( $color ) {
|
|
|
|
// Return invisible if empty.
|
|
if ( empty( $color ) || is_array( $color ) ) {
|
|
|
|
return 'rgba(0,0,0,0)';
|
|
|
|
}
|
|
|
|
// Return sanitized hex if not rgba value.
|
|
if ( false === strpos( $color, 'rgba' ) ) {
|
|
|
|
return sanitize_hex_color( $color );
|
|
|
|
}
|
|
|
|
// Finally, sanitize and return rgba.
|
|
$color = str_replace( ' ', '', $color );
|
|
sscanf( $color, 'rgba(%d,%d,%d,%f)', $red, $green, $blue, $alpha );
|
|
|
|
return 'rgba(' . $red . ',' . $green . ',' . $blue . ',' . $alpha . ')';
|
|
|
|
}
|
|
|
|
/**
|
|
* Convert hex to rgba value.
|
|
*
|
|
* This function takes a hex code (e.g. #eeeeee) and returns array of RGBA
|
|
* values. Used in studio_customizer_output to handle transparency.
|
|
*
|
|
* @since 0.1.0
|
|
*
|
|
* @param string $color Hex color to convert.
|
|
* @param int $opacity Opacity amount.
|
|
*
|
|
* @return string
|
|
*/
|
|
function studio_hex_to_rgba( $color, $opacity ) {
|
|
|
|
if ( '#' === $color[0] ) {
|
|
|
|
$color = substr( $color, 1 );
|
|
|
|
}
|
|
|
|
if ( strlen( $color ) === 6 ) {
|
|
|
|
list( $r, $g, $b ) = array( $color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5] );
|
|
|
|
} elseif ( strlen( $color ) === 3 ) {
|
|
|
|
list( $r, $g, $b ) = array( $color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2] );
|
|
|
|
} else {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
$r = hexdec( $r );
|
|
$g = hexdec( $g );
|
|
$b = hexdec( $b );
|
|
|
|
$rgb = array(
|
|
'red' => $r,
|
|
'green' => $g,
|
|
'blue' => $b,
|
|
);
|
|
|
|
$rgba = implode( $rgb, ',' ) . ',' . $opacity;
|
|
|
|
return $rgba;
|
|
|
|
}
|
|
|
|
/**
|
|
* Convert rgba to hex value.
|
|
*
|
|
* This function takes an rgba code (e.g. rgba(100,200,300,1)) and returns
|
|
* array of RGBA values. First checks if the string is a hex value and
|
|
* converts it into and RGBA using studio_hex_to_rgba if necessary.
|
|
*
|
|
* @since 0.1.0
|
|
*
|
|
* @param string $string RGBA color to convert.
|
|
*
|
|
* @return string
|
|
*/
|
|
function studio_rgba_to_hex( $string ) {
|
|
|
|
$rgba = array();
|
|
$hex = '';
|
|
$regex = '#\((([^()]+|(?R))*)\)#';
|
|
|
|
if ( strpos( $string, ',' ) != true ) {
|
|
|
|
$string = 'rgba(' . studio_hex_to_rgba( $string, '1' ) . ')';
|
|
|
|
}
|
|
|
|
if ( preg_match_all( $regex, $string ,$matches ) ) {
|
|
|
|
$rgba = explode( ',', implode( ' ', $matches[1] ) );
|
|
|
|
} else {
|
|
|
|
$rgba = explode( ',', $string );
|
|
|
|
}
|
|
|
|
$rr = str_pad( dechex( $rgba['0'] ), 2, '0', STR_PAD_LEFT );
|
|
$gg = str_pad( dechex( $rgba['1'] ), 2, '0', STR_PAD_LEFT );
|
|
$bb = str_pad( dechex( $rgba['2'] ), 2, '0', STR_PAD_LEFT );
|
|
$aa = '';
|
|
|
|
if ( array_key_exists( '3', $rgba ) ) {
|
|
|
|
$aa = dechex( $rgba['3'] * 255 );
|
|
|
|
}
|
|
|
|
return strtoupper( "#$rr$gg$bb" );
|
|
|
|
}
|
|
|
|
/**
|
|
* Minify CSS helper function.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @author Gary Jones
|
|
* @link https://github.com/GaryJones/Simple-PHP-CSS-Minification
|
|
* @param string $css The CSS to minify.
|
|
*
|
|
* @return string Minified CSS.
|
|
*/
|
|
function studio_minify_css( $css ) {
|
|
|
|
// Normalize whitespace.
|
|
$css = preg_replace( '/\s+/', ' ', $css );
|
|
|
|
// Remove spaces before and after comment.
|
|
$css = preg_replace( '/(\s+)(\/\*(.*?)\*\/)(\s+)/', '$2', $css );
|
|
|
|
// Remove comment blocks, everything between /* and */, unless preserved with /*! ... */ or /** ... */.
|
|
$css = preg_replace( '~/\*(?![\!|\*])(.*?)\*/~', '', $css );
|
|
|
|
// Remove ; before }.
|
|
$css = preg_replace( '/;(?=\s*})/', '', $css );
|
|
|
|
// Remove space after , : ; { } */ >.
|
|
$css = preg_replace( '/(,|:|;|\{|}|\*\/|>) /', '$1', $css );
|
|
|
|
// Remove space before , ; { } ( ) >.
|
|
$css = preg_replace( '/ (,|;|\{|}|\(|\)|>)/', '$1', $css );
|
|
|
|
// Strips leading 0 on decimal values (converts 0.5px into .5px).
|
|
$css = preg_replace( '/(:| )0\.([0-9]+)(%|em|ex|px|in|cm|mm|pt|pc)/i', '${1}.${2}${3}', $css );
|
|
|
|
// Strips units if value is 0 (converts 0px to 0).
|
|
$css = preg_replace( '/(:| )(\.?)0(%|em|ex|px|in|cm|mm|pt|pc)/i', '${1}0', $css );
|
|
|
|
// Converts all zeros value into short-hand.
|
|
$css = preg_replace( '/0 0 0 0/', '0', $css );
|
|
|
|
// Shorten 6-character hex color codes to 3-character where possible.
|
|
$css = preg_replace( '/#([a-f0-9])\\1([a-f0-9])\\2([a-f0-9])\\3/i', '#\1\2\3', $css );
|
|
|
|
return trim( $css );
|
|
|
|
}
|
|
|
|
/**
|
|
* Helper function to check if we're on a WooCommerce page.
|
|
*
|
|
* @since 2.0.0
|
|
*
|
|
* @link https://docs.woocommerce.com/document/conditional-tags/.
|
|
*
|
|
* @return bool
|
|
*/
|
|
function studio_is_woocommerce_page() {
|
|
|
|
if ( ! class_exists( 'WooCommerce' ) ) {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
if ( is_woocommerce() || is_shop() || is_product_category() || is_product_tag() || is_product() || is_cart() || is_checkout() || is_account_page() ) {
|
|
|
|
return true;
|
|
|
|
} else {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
add_filter( 'display_posts_shortcode_post_class', 'studio_dps_column_classes', 10, 4 );
|
|
/**
|
|
* Column Classes
|
|
*
|
|
* Columns Extension for Display Posts Shortcode plugin makes it easy for
|
|
* users to display posts in columns using [display-posts columns="2"]
|
|
*
|
|
* @since 1.0.0
|
|
*
|
|
* @author Bill Erickson <bill@billerickson.net>
|
|
* @link http://www.billerickson.net/shortcode-to-display-posts/
|
|
* @param array $classes Current CSS classes.
|
|
* @param object $post The post object.
|
|
* @param object $listing The WP Query object for the listing.
|
|
* @param array $atts Original shortcode attributes.
|
|
*
|
|
* @return array $classes Modified CSS classes.
|
|
*/
|
|
function studio_dps_column_classes( $classes, $post, $listing, $atts ) {
|
|
|
|
if ( ! isset( $atts['columns'] ) ) {
|
|
|
|
return $classes;
|
|
|
|
}
|
|
|
|
$columns = intval( $atts['columns'] );
|
|
|
|
if ( $columns < 2 || $columns > 6 ) {
|
|
|
|
return $classes;
|
|
|
|
}
|
|
|
|
$column_classes = array( '', '', 'one-half', 'one-third', 'one-fourth', 'one-fifth', 'one-sixth' );
|
|
|
|
$classes[] = $column_classes[ $columns ];
|
|
|
|
if ( 0 == $listing->current_post % $columns ) {
|
|
|
|
$classes[] = 'first';
|
|
|
|
}
|
|
|
|
return $classes;
|
|
|
|
}
|
|
|
|
/**
|
|
* Custom header image callback.
|
|
*
|
|
* Loads custom header or featured image depending on what is set on a per
|
|
* page basis. If a featured image is set for a page, it will override
|
|
* the default header image. It also gets the image for custom post
|
|
* types by looking for a page with the same slug as the CPT e.g
|
|
* the Portfolio CPT archive will pull the featured image from
|
|
* a page with the slug of 'portfolio', if the page exists.
|
|
*
|
|
* @since 0.1.0
|
|
*
|
|
* @return string
|
|
*/
|
|
function studio_custom_header() {
|
|
|
|
$id = '';
|
|
|
|
// Get the current page ID.
|
|
if ( class_exists( 'WooCommerce' ) && is_shop() ) {
|
|
|
|
$id = wc_get_page_id( 'shop' );
|
|
|
|
} elseif ( is_post_type_archive() ) {
|
|
|
|
$id = get_page_by_path( get_query_var( 'post_type' ) );
|
|
|
|
} elseif ( is_front_page() ) {
|
|
|
|
$id = get_option( 'page_on_front' );
|
|
|
|
} elseif ( is_home() ) {
|
|
|
|
$id = get_option( 'page_for_posts' );
|
|
|
|
} elseif ( is_search() ) {
|
|
|
|
$id = get_page_by_path( 'search' );
|
|
|
|
} elseif ( is_404() ) {
|
|
|
|
$id = get_page_by_path( 'error' );
|
|
|
|
} elseif ( is_singular() ) {
|
|
|
|
$id = get_the_id();
|
|
|
|
}
|
|
|
|
$url = get_the_post_thumbnail_url( $id, 'slider' );
|
|
|
|
if ( ! $url ) {
|
|
|
|
$url = get_header_image();
|
|
|
|
}
|
|
|
|
return has_header_image() ? printf( '<style type="text/css">.page-header{background-image: url(%s);}</style>' . "\n", esc_url( $url ) ) : '';
|
|
|
|
}
|