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@ 2022-02-09T14:51:19Z

<?php

    // Only run if array_is_list() isn't available.
    if ( ! function_exists( 'array_is_list' ) ) {
    
    	function array_is_list( array $arr ) {
    		$i = 0;
    		foreach ( $arr as $k => $v ) {
    			if ( $k !== $i++ ) {
    				return false;
    			}
    		}
    		return true;
    	}
    	
    	for ( $i = 0; $i < 100000; ++$i ) {
    	    array_is_list( array() );
    	}
    }

Output
Performance
VLD
References
Branches

function_exists: documentation ( source)
array_is_list: documentation ( source)

preferences:dark modelive preview

25.96 ms | 405 KiB | 5 Q