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@ 2017-12-04T10:45:25Z

<?php

for($i=1;$i<1000;$i++){
    $string = 'lorem_';
    $string .= $i;
    $string .= '_ipsum';
    // $string = join('',$string);
    var_dump($string);
    unset($string);
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive preview

15.15 ms | 402 KiB | 5 Q