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<?php $available_templates = [ '' => 'Placeholder', 404 => '404', 'single' => 'Single Post', ]; $merge = array_merge( [ '' => 'Default template', ], $available_templates ); $replace = array_replace( $available_templates, [ '' => 'Default template', ] ); var_dump( $merge ); var_dump( $replace );
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [""]=> string(11) "Placeholder" [0]=> string(3) "404" ["single"]=> string(11) "Single Post" } array(3) { [""]=> string(16) "Default template" [404]=> string(3) "404" ["single"]=> string(11) "Single Post" }

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