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Introduce `pre_update_option` filter. 

Filter is available in update_option() and allows to filter any option before its value is (maybe) serialized and updated.

see #27504.
props westonruter.

Built from https://develop.svn.wordpress.org/trunk@27815


git-svn-id: http://core.svn.wordpress.org/trunk@27649 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dominik Schilling 2014-03-28 13:57:14 +00:00
parent ebdd64f6ad
commit bc8cf4e966
1 changed files with 11 additions and 0 deletions
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11
wp-includes/option.php
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@ -255,6 +255,17 @@ function update_option( $option, $value ) {
*/ */
$value = apply_filters( 'pre_update_option_' . $option, $value, $old_value ); $value = apply_filters( 'pre_update_option_' . $option, $value, $old_value );
/**
* Filter an option before its value is (maybe) serialized and updated.
*
* @since 3.9.0
*
* @param mixed $value The new, unserialized option value.
* @param string $option Name of the option.
* @param mixed $old_value The old option value.
*/
$value = apply_filters( 'pre_update_option', $value, $option, $old_value );
// If the new and old values are the same, no need to update. // If the new and old values are the same, no need to update.
if ( $value === $old_value ) if ( $value === $old_value )
return false; return false;