Online PHP editor | output for bs7gI

<?php function map( $text = 'file', $elements = 5, $start = 1, $step = 1 ) { $end = $start + $elements * $step - 1; return array_map( fn($i) => $text . $i, range($start, $end, $step) ); } function whileloop( $text = 'file', $elements = 5, $start = 1, $step = 1 ) { $result = []; $end = $start + $elements * $step - 1; while ($start <= $end) { $result[] = $text . $start; $start += $step; } return $result; } function forloop( $text = 'file', $elements = 5, $start = 1, $step = 1 ) { $result = []; for ($i = 0; $i < $elements; ++$i, $start += $step) { $result[] = $text . $start; } return $result; } var_export(map()); echo "\n---\n"; var_export(whileloop()); echo "\n---\n"; var_export(forloop()); echo "\n---\n"; var_export(map('file', 5, 4, 20)); echo "\n---\n"; var_export(whileloop('file', 5, 4, 20)); echo "\n---\n"; var_export(forloop('file', 5, 4, 20)); echo "\n---\n"; var_export(map('file', 2)); echo "\n---\n"; var_export(whileloop('file', 2)); echo "\n---\n"; var_export(forloop('file', 2)); echo "\n---\n"; var_export(map('file', 3, 3, 7)); echo "\n---\n"; var_export(whileloop('file', 3, 3, 7)); echo "\n---\n"; var_export(forloop('file', 3, 3, 7)); echo "\n---\n";