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monkishtypist/functions.php

Last active June 7, 2019 07:22
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Revisions

  1. Tim Spinks revised this gist Jun 7, 2019. No changes.
  2. Tim Spinks created this gist Jun 7, 2019.
    85 changes: 85 additions & 0 deletions functions.php
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,85 @@
    add_shortcode( 'button', 'wpbs_button', 10, 2 );
    if ( ! function_exists( 'wpbs_button' ) ) {
    /**
    * Custom Button
    *
    * Add an inline button to content, with customizeable CSS classes, and
    * link to a page by `page-id` or URL.
    *
    * [button class="btn-primary"]My Button Text[/button]
    *
    * @param array $atts Button attributes
    * @param string $content Button text content
    *
    * @return string Button HTML
    */
    function wpbs_button( $atts, $content ) {
    if ( function_exists( 'openssl_random_pseudo_bytes' ) && function_exists( 'bin2hex' ) ) {
    $rand = bin2hex( openssl_random_pseudo_bytes( 8 ) );;
    } else {
    $rand = rand( 1000, 9999 );
    }

    $a = shortcode_atts( array(
    'attr' => false, // Additional attributes as Key:Value pairs, comma separated
    'class' => 'btn-primary', // CSS classes for button element
    'hash' => false, // #string
    'icon' => false, // not used
    'icon-url' => false, // not used
    'id' => 'button-' . $rand, // button id
    'logged-in' => false, // is user logged in?
    'modal' => false, // Bootstrap modal target
    'page-id' => false, // Page ID of linked page
    'query' => false, // URL query params
    'target' => '', // Attr: target="_blank"
    'url' => '#' // Linked page URL
    ), $atts );

    $attributes_array = array();
    if ( $a['attr'] ) {
    $attribs = explode( ",", $a['attr'] );
    foreach ($attribs as $attrib) {
    if ( strpos( $attrib, ':' ) !== false ) {
    $arr = explode( ":", $attrib );
    $attributes_array[ $arr[0] ] = $arr[1];
    }
    }
    }
    $attributes_string = null;
    foreach ($attributes_array as $key => $value) {
    $attributes_string .= sprintf( '%1$s="%2$s" ', $key, $value );
    }

    $target = null;
    if ( in_array( $a['target'], array( 'blank', '_blank' ) ) )
    $target = 'target="_blank"';

    if ( $a['modal'] )
    $target = 'data-toggle="modal" data-target="' . $a['modal'] . '"';

    // if page-id attribute is set, use that instead of link, otherwise, use link attribute.
    $url = ( $a['page-id'] && 'publish' === get_post_status( $a['page-id'] ) ? get_permalink( $a['page-id'] ) : esc_html( $a['url'] ) );

    $hash = null;
    if ( $a['hash'] ) {
    $hash .= '#' . rawurlencode( $a['hash'] );
    }

    $query = null;
    if ( $a['query'] ) {
    $query .= '?' . rawurlencode( $a['query'] );
    }

    // Build the button HTML

    $button_html = sprintf( '<a href="%1$s" id="%2$s" class="btn %3$s" %4$s>%5$s</a>',
    $url . $hash . $query, // build the URL
    esc_html( $a['id'] ),
    esc_html( $a['class'] ),
    $attributes_string . ' ' . $target, // build attributes
    sprintf( '<span>%1$s</span>', esc_html( $content ) )
    );

    return $button_html;
    }
    }