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== doesn't imply type equivalency #2158

iluuu1994 opened this issue Sep 21, 2019 · 1 comment


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commented Sep 21, 2019

/** @var mixed */
$int = 0;
$string = '0';

function takes_string(string $string) {}
function takes_int(int $int) {}

if ($int == $string) {

ERROR: InvalidScalarArgument - 12:13 - Argument 1 of takes_int expects int, string(0) provided

This is a minor issue for us as we use strict equivalency almost exclusively but still interesting nonetheless.

@muglug muglug added the bug label Sep 21, 2019
@muglug muglug closed this in 3205d1b Sep 22, 2019

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commented Sep 22, 2019

Thanks @muglug!

2e3s added a commit to 2e3s/psalm that referenced this issue Sep 29, 2019
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