PHP widow buster function - eliminate a single word wrapping to a new line
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<?php | |
function widow_buster( $text, $min_words = 3, $max_chars = 16 ) { | |
$words = explode( ' ', $text ); | |
$word_count = count( $words ); | |
$char_length = strlen( $words[ $word_count - 2 ] ) + strlen( $words[ $word_count - 1 ] ); | |
// if our minimum word count and maximum character count are met, | |
// join the last two words with a non-breaking space | |
if ( $word_count >= $min_words && $char_length <= $max_chars ) { | |
$words[ $word_count - 2 ] .= ' ' . $words[ $word_count - 1 ]; | |
array_pop( $words ); | |
$text = implode( ' ', $words ); | |
} | |
return $text; | |
} |
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NB need to abort if $word_count < $min_words before line 8, otherwise $words[ $word_count - 2 ] and $words[ $word_count - 1 ] don't exist, so php throws an error