diff --git src/wp-includes/plugin.php src/wp-includes/plugin.php
index df4ba8d..151f599 100644
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if ( ! isset( $wp_current_filter ) ) |
80 | 80 | * @return boolean true |
81 | 81 | */ |
82 | 82 | function add_filter( $tag, $function_to_add, $priority = 10, $accepted_args = 1 ) { |
| 83 | $tag_a = explode(' ', $tag); |
| 84 | if (isset($tag_a[1])) { //Check if the array is longer than 1 element |
| 85 | foreach ($tag_a as $t) { |
| 86 | add_filter($t, $function_to_add, $priority, $accepted_args); |
| 87 | } |
| 88 | return; |
| 89 | } |
| 90 | |
83 | 91 | global $wp_filter, $merged_filters; |
84 | 92 | |
85 | 93 | $idx = _wp_filter_build_unique_id($tag, $function_to_add, $priority); |