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<?php $ps = array(); foreach($arr as $value){ $index = str_replace(" ", "", strtolower($value['L2_ATTR_DESC'])); $ps[$index][] = $value[L3_ATTR_DESC]; } print_r($ps);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $arr in /in/JuPIa on line 4 Warning: foreach() argument must be of type array|object, null given in /in/JuPIa on line 4 Array ( )

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