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foo()[0] のように、関数の返り値を配列として扱えるようになりました。

Posted at

foo()[0] のように、関数の返り値を配列として扱えるようになりました。

使い所としてはこんなかんじかな

<?php

$string = 'foo,bar';

// PHP 5.3 
echo reset(explode(',', $string)); // "foo"

// PHP 5.4
echo explode(',', $string)[0]; // "foo"
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