--TEST-- "html_attr" function --TEMPLATE-- Simple attributes: Relaxed attribute name escaping: Appropriate escaping: &\'"' }) }}/> Empty attribute list: Using a short ternary: boolean true attribute: boolean false attribute: null attribute value: empty string attribute value: ARIA attribute boolean conversion: data-* attribute handling : array value concatenation ex. 1: array value concatenation ex. 2: inline styles: style with a plain value: using a "comma separated token list" attribute: merging a "comma separated token list" value with more array values: --DATA-- return [] --EXPECT-- Simple attributes: Relaxed attribute name escaping: Appropriate escaping: Empty attribute list: Using a short ternary: boolean true attribute: boolean false attribute: null attribute value: empty string attribute value: ARIA attribute boolean conversion: data-* attribute handling : array value concatenation ex. 1: array value concatenation ex. 2: inline styles: style with a plain value: using a "comma separated token list" attribute: merging a "comma separated token list" value with more array values: