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@ 2018-05-01T11:59:55Z

<?php

$input = [1, 2, 3, 5, 4, 7, 6, 8, 9];

$batches = generateBatches($input);

function generateBatches($input) {
    
    $batches = [];
    $batchNumber = 0;
    $prev = 0;
    
    foreach ($input as $i) {
        
        
        
        if ($i > 1 && $i - $prev < 1) {
            $batchNumber++;
        }
        
        $batches[$batchNumber][] = $i;
        
        $prev = $i;
    }
    
    return $batches;
}

print_r($batches);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)

preferences:dark modelive previewkey bindings

37.79 ms | 404 KiB | 5 Q