Peter Wilson 032aec8df2 Script Loader: Prevent wp_localize_script() warnings. ...

Prevent `wp_localize_script()` (via `WP_Scripts::localize()`) throwing warnings in PHP 8 when the translation data is passed as a string. This maintains backward compatibility with earlier versions of PHP.

Introduce a `_doing_it_wrong()` notice to `WP_Scripts::localize()` if the translation data is not passed as an array.

Props jrf, peterwilsoncc, SergeyBiryukov.
Fixes #52534.

Built from https://develop.svn.wordpress.org/trunk@50408


git-svn-id: http://core.svn.wordpress.org/trunk@50019 1a063a9b-81f0-0310-95a4-ce76da25c4cd

2021-02-22 23:23:07 +00:00

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