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Use the [cloud words="Awesome,Fabulous"] shortcode to create a cloud of words
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<?php | |
/* | |
Plugin Name: S11 Word Cloud | |
Description: Use the [cloud words="Awesome,Fabulous"] shortcode to create a cloud of words | |
Version: 1.0 | |
Author URI: http://strategy11.com | |
Author: Strategy11 | |
*/ | |
add_shortcode( 'cloud', 's11_word_cloud' ); | |
function s11_word_cloud( $atts ) { | |
$atts = shortcode_atts( array( | |
'words' => 'Awesome, Fabulous', | |
'colors' => '#21759b, #d54e21, #464646', | |
), $atts ); | |
$colors = explode( ',', $atts['colors'] ); | |
$words = array_filter( explode( ',', $atts['words'] ) ); | |
$words = array_map( 'strtolower', array_map( 'trim', $words ) ); | |
$words = array_map( 'ucwords', $words ); | |
$word_counts = array_count_values( $words ); | |
$sorted = $word_counts; | |
arsort( $sorted ); | |
$highest_count = reset( $sorted ); | |
$max_size = 75; | |
$min_size = 10; | |
$step = absint( ( $max_size - $min_size ) / $highest_count ); | |
$weighted = array(); | |
foreach( $word_counts as $word => $count ) { | |
$weighted[ $word ] = $min_size + ( $step * $count ); | |
} | |
$color_pointer = 0; | |
$all_words = array(); | |
$cloud = '<ul class="s11cloud">'; | |
foreach ( $weighted as $word => $size ) { | |
$all_words[] = '<li style="font-size:' . absint( $size ) .'px;color:' . esc_attr( $colors[ $color_pointer ] ) .'">' . trim( $word ) . '</li>'; | |
$color_pointer++; | |
if ( ! isset( $colors[ $color_pointer ] ) ) { | |
$color_pointer = 0; | |
} | |
} | |
shuffle( $all_words ); | |
$cloud .= implode( ' ', $all_words ); | |
$cloud .= '</ul>'; | |
s11_add_cloud_style( $cloud ); | |
return $cloud; | |
} | |
function s11_add_cloud_style( &$cloud ) { | |
$cloud .= '<style>ul.s11cloud { | |
max-width: 500px; | |
padding: 30px 10px; | |
text-align:center; | |
margin:0 auto; | |
line-height: 1; | |
} | |
.s11cloud li{ | |
display:inline-block; | |
list-style:none; | |
padding-right:3px; | |
} | |
</style>'; | |
} |
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