Now that PHP static analyzer is in place, at level 0, work should be done to increase the strictness level. Other wp-graphql plugins are at level 8.

Reference this ticket to track work as we increase the levels and fix code.

• level 1 (ci: increase phpstan to level 2 #239)
• level 2 (ci: increase phpstan to level 2 #239)
• level 3 (Phpstan level 3, 4 #240)
• level 4 (Phpstan level 3, 4 #240)
• level 5 (Phpstan level 5,6 #241)
• level 6 (Phpstan level 5,6 #241 )
• level 7 (Phpstan level 7 changes #242 )
• level 8