<?php /* what I want to achieve*/ $rules= [ 'title' => 'required|min:2|max:5', ]; /////////////////////////////////////////// $types = ['min' => 2, 'max' => 5, 'required'=> 1]; function noValue(array $types):? string{ foreach($types as $key=>$value) { if($key === 'required' ||$value > 0){ return 'required'; } } return null; } function ruleTypes(array $types){ $arr = []; foreach($types as $key => $value) { $arr[] = noValue($types) ? $key . ':' . $value : 'hello'; } return implode('|', $arr); } $arrayOfRules = [ 'title' => ruleTypes($types), ]; var_dump($arrayOfRules);
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