In set_theme_mod() account for when there is no old value.
fixes #14721. see [27393]. git-svn-id: https://develop.svn.wordpress.org/trunk@27402 602fd350-edb4-49c9-b593-d223f7449a82
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@ -913,7 +913,7 @@ function get_theme_mod( $name, $default = false ) {
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*/
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function set_theme_mod( $name, $value ) {
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function set_theme_mod( $name, $value ) {
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$mods = get_theme_mods();
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$mods = get_theme_mods();
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$old_value = $mods[ $name ];
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$old_value = isset( $mods[ $name ] ) ? $mods[ $name ] : false;
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/**
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/**
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* Filter the theme mod value on save.
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* Filter the theme mod value on save.
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