<?php $bar = array(); for($j = 0;$j < 1000;$j++) { $bar[] = $j; } // Only run if array_is_list() isn't available. if ( ! function_exists( 'array_is_list' ) ) { function array_is_list( array $arr ) { return array() === $arr || array_values( $arr ) === $arr; } for ( $i = 0; $i < 1000; ++$i ) { array_is_list( $bar ); } }
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