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<?php function a($string, $length) { $string = substr($string, 0, $length); $string = substr($string, 0, strrpos($string, ' ')); return $string; } function b($string, $length) { $words = explode(' ', $string); $string = array_reduce($words, function ($current, $item) use ($length) { return mb_strlen($current) > $length ? $current : "$current$item "; }, ''); return $string; } $length = 40; $string = 'The fox flew over the moon. The cow did a big twist into the pool.'; var_dump(a($string, $length)); var_dump(b($string, $length));
Output for git.master, git.master_jit, rfc.property-hooks
string(39) "The fox flew over the moon. The cow did" string(42) "The fox flew over the moon. The cow did a "

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