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<?php $requiredFields = ['name', 'age', 'hair_colour']; // Note: $errorArray is not initialised foreach ( $requiredFields as $field ) { if ( ! isset($_POST[$field]) ) { $errorArray[] = "Missing required field '$field'. "; } } echo implode('', $errorArray);
Output for git.master, git.master_jit, rfc.property-hooks
Missing required field 'name'. Missing required field 'age'. Missing required field 'hair_colour'.

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