php - different excerpt length on wordpress -


i want register custom length of excerpt on wordpress plugin. if i add custom excerpt length on plugin , if user's theme have custom excerpt length registered, make conflict? noticed fucntion name different filter's tag same('excerpt_length'). so, please let me clear that.

here excerpt length's code.

function custom_excerpt_length( $length ) {     return 40; } add_filter( 'excerpt_length', 'custom_excerpt_length');

thanks.

i use highly customized excerpt output (modified aaron russell's code). won't conflict else have. can remove text values @ will. removes filters excerpt output , overrides them.

// better excerpt output         function improved_trim_excerpt($text) {         global $post;         if ( '' == $text ) {                 $text = get_the_content('');                 $text = apply_filters('the_content', $text);                 $text = str_replace('\]\]\>', ']]&gt;', $text);                 $text = preg_replace('@<script[^>]*?>.*?</script>@si', '', $text);                 $text = strip_tags($text, '<p>');                 $excerpt_length = 40;                 $words = explode(' ', $text, $excerpt_length + 1);                 if (count($words)> $excerpt_length) {                         array_pop($words);                         array_push($words, '... [<a href="' . get_permalink(). '" >read more</a>]');                         $text = implode(' ', $words);                 }         }         return $text; } remove_filter('get_the_excerpt', 'wp_trim_excerpt'); add_filter('get_the_excerpt', 'improved_trim_excerpt');

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