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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 |
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265 | return $string; |
266 | } |
267 |
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268 | function sanitize_user( $username ) { |
269 | return preg_replace('|a-z0-9 _.-|i', '', $username); |
270 | } |
271 |
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272 | function sanitize_title($title, $fallback_title = '') { |
273 | $title = strip_tags($title); |
274 | $title = apply_filters('sanitize_title', $title); |
275 |
|
276 | if (empty($title)) { |
277 | $title = $fallback_title; |
278 | } |
279 |
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280 | return $title; |
281 | } |
282 |
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283 | function sanitize_title_with_dashes($title) { |