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@ 2020-09-25T06:45:52Z

<?php

$longString = 'I like apple. You like oranges. We like fruit. I like meat, also.';
$maxLength = 18;

var_export(
    preg_split("/.{0,{$maxLength}}\K(\s+|$)/", $longString, 0, PREG_SPLIT_NO_EMPTY)
);

Output
Performance
VLD
References
Branches

var_export: documentation ( source)
preg_split: documentation ( source)

preferences:dark modelive previewkey bindings

27.83 ms | 405 KiB | 5 Q