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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1962 | $r .= $numposts; |
| 1963 | $r .= '</a>'; |
| 1964 | } else { |
| 1965 | $r .= 0; |
| 1966 | } |
| 1967 | $r .= "</td>"; |
| 1968 | break; |
| 1969 | default: |
| 1970 | $r .= "<td $attributes>"; |
| 1971 | $r .= apply_filters('manage_users_custom_column', '', $column_name, $user_object->ID); |
| 1972 | $r .= "</td>"; |
| 1973 | } |
| 1974 | } |
| 1975 | $r .= '</tr>'; |
| 1976 | |
| 1977 | return $r; |
| 1978 | } |
| 1979 | |
| 1980 | /** |