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roborourke/wp-set-excerpt-length.php

Created July 26, 2012 11:56
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Set excerpt length on the fly in wordpress.
Raw
wp-set-excerpt-length.php
<?php
/**
* Sets the excerpt length for the output of the next excerpt
*
* @param int $length the number of words to show
*
* @return void
*/
function set_excerpt_length( $length = 50 ) {
add_filter( 'excerpt_length', create_function( '$l', 'return ' . intval( $length ) . ';' ), 13 );
add_filter( 'the_excerpt', create_function( '$e', 'remove_all_filters( "excerpt_length", 13 ); return $e;' ), 13 );
}
?>
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