Apply PHP compatibility checks to all WordPress Core files ./src/

/src/wp-content/mu-plugins/*

/src/wp-content/plugins/*

/src/wp-content/themes/(?!twenty)*

/src/wp-content/languages/*

src/wp-includes/sodium_compat/lib/php72compat_const\.php$

/ID3/getid3\.php$

/PHPMailer/PHPMailer\.php$

/ID3/getid3\.php$

/ID3/module.audio-video.quicktime\.php$

/PHPMailer/PHPMailer\.php$

/sodium_compat/src/Compat\.php$

/sodium_compat/src/PHP52/SplFixedArray\.php$

/src/wp-includes/script-loader\.php$