Newsgroups: php.internals
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Xref: news.php.net php.internals:114042
Date: Mon, 12 Apr 2021 11:21:22 -0700
To: PHP internals <internals@lists.php.net>
Message-ID: <20210412182122.w25ddlzifttqvok3@Ridl3y>
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Subject: Using timelib functions shipped with headers
From: marco@sirabella.org (Marco Sirabella)

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Hello,

I am writing an extension that creates a DateTime object where I have
the unix timestamp and a UTC offset in minutes.

```
timelib_set_timezone_from_offset(ret->time, gt.offset);
timelib_unixtime2local(ret->time, gt.time);
```

Unfortunately, even though I can pull in the headers with=20
`#include <ext/date/lib/timelib.h>`, it doesn't seem those symbols are defi=
ned
anywhere to link:

```
$ readelf -Ws /usr/lib64/php8.0/lib64/libphp.so | grep timelib # nothing
```

Are these functions meant to be public? Can I use the headers as a public A=
PI
reference, or do I need to look somewhere else to see what is exposed?

Thanks for your clarifications,

--=20
Marco Sirabella

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Hello,

I am writing an extension that creates a DateTime object where I have
the unix timestamp and a UTC offset in minutes.

```
timelib_set_timezone_from_offset(ret->time, gt.offset);
timelib_unixtime2local(ret->time, gt.time);
```

Unfortunately, even though I can pull in the headers with=20
`#include <ext/date/lib/timelib.h>`, it doesn't seem those symbols are defi=
ned
anywhere to link:

```
$ readelf -Ws /usr/lib64/php8.0/lib64/libphp.so | grep timelib # nothing
```

Are these functions meant to be public? Can I use the headers as a public A=
PI
reference, or do I need to look somewhere else to see what is exposed?

Thanks for your clarifications,

--=20
Marco Sirabella

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<!DOCTYPE html>
<html xmlns=3D"http://www.w3.org/1999/xhtml" lang=3D"" xml:lang=3D"">
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<body>
<p>Hello,</p>
<p>I am writing an extension that creates a DateTime object where I have th=
e unix timestamp and a UTC offset in minutes.</p>
<pre><code>timelib_set_timezone_from_offset(ret-&gt;time, gt.offset);
timelib_unixtime2local(ret-&gt;time, gt.time);</code></pre>
<p>Unfortunately, even though I can pull in the headers with <code>#include=
 &lt;ext/date/lib/timelib.h&gt;</code>, it doesn=E2=80=99t seem those symbo=
ls are defined anywhere to link:</p>
<pre><code>$ readelf -Ws /usr/lib64/php8.0/lib64/libphp.so | grep timelib #=
 nothing</code></pre>
<p>Are these functions meant to be public? Can I use the headers as a publi=
c API reference, or do I need to look somewhere else to see what is exposed=
?</p>
<p>Thanks for your clarifications,</p>
<p>=E2=80=93 Marco Sirabella</p>
</body>
</html>

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