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| Path | csiph.com!news.swapon.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail |
|---|---|
| From | Arno Welzel <usenet@arnowelzel.de> |
| Newsgroups | comp.lang.php |
| Subject | Re: set_error_handler(): duplicate error |
| Date | Sun, 20 Jun 2021 13:02:40 +0200 |
| Lines | 66 |
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| References | <s9ski4$42b$2@gioia.aioe.org> <iiu6nlForanU1@mid.individual.net> <sai4vp$11n3$1@gioia.aioe.org> <sajj55$jqj$1@jstuckle.eternal-september.org> |
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| In-Reply-To | <sajj55$jqj$1@jstuckle.eternal-september.org> |
| Xref | csiph.com comp.lang.php:18666 |
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Jerry Stuckle:
[...]
> set_error_handler() requires a real function as its parameter, not
> something dynamically defined.
set_error_handler() requires a *callable* not a function. An anonymous
function is just fine - as this *is* a callable. This applies to *every*
function in PHP which wants a callable and is quite handy to avoid
declaring new functions if you just need it once for a specific callback:
-------------------------------------------
<?php
$array = [
[ 'x' => 1, 'y' => 2 ],
[ 'x' => 6, 'y' => 1 ],
[ 'x' => 3, 'y' => 7 ],
];
usort(
$array,
function($a, $b) {
if ($a['x'] == $b['x']) {
return 0;
} else if ($a['x'] > $b['x']) {
return 1;
} else {
return -1;
}
}
);
print_r($array);
-------------------------------------------
Result:
Array
(
[0] => Array
(
[x] => 1
[y] => 2
)
[1] => Array
(
[x] => 3
[y] => 7
)
[2] => Array
(
[x] => 6
[y] => 1
)
)
--
Arno Welzel
https://arnowelzel.de
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set_error_handler(): duplicate error alex <1j9448a02@lnx159sneakemail.com.invalid> - 2021-06-10 11:04 +0200
Re: set_error_handler(): duplicate error Ii Ii <ya12983@mail.com> - 2021-06-16 02:39 -0700
Re: set_error_handler(): duplicate error Arno Welzel <usenet@arnowelzel.de> - 2021-06-16 13:48 +0200
Re: set_error_handler(): duplicate error alex <1j9448a02@lnx159sneakemail.com.invalid> - 2021-06-18 14:53 +0200
Re: set_error_handler(): duplicate error Jerry Stuckle <jstucklex@attglobal.net> - 2021-06-18 22:00 -0400
Re: set_error_handler(): duplicate error alex <1j9448a02@lnx159sneakemail.com.invalid> - 2021-06-19 16:41 +0200
Re: set_error_handler(): duplicate error Jerry Stuckle <jstucklex@attglobal.net> - 2021-06-19 19:21 -0400
Re: set_error_handler(): duplicate error Arno Welzel <usenet@arnowelzel.de> - 2021-06-20 13:10 +0200
Re: set_error_handler(): duplicate error Arno Welzel <usenet@arnowelzel.de> - 2021-06-20 13:02 +0200
Re: set_error_handler(): duplicate error Arno Welzel <usenet@arnowelzel.de> - 2021-06-20 12:51 +0200
Re: set_error_handler(): duplicate error alex <1j9448a02@lnx159sneakemail.com.invalid> - 2021-06-21 17:06 +0200
Re: set_error_handler(): duplicate error Arno Welzel <usenet@arnowelzel.de> - 2021-06-21 19:43 +0200
Re: set_error_handler(): duplicate error alex <1j9448a02@lnx159sneakemail.com.invalid> - 2021-06-22 16:10 +0200
Re: set_error_handler(): duplicate error "J.O. Aho" <user@example.net> - 2021-06-22 18:13 +0200
Re: set_error_handler(): duplicate error alex <1j9448a02@lnx159sneakemail.com.invalid> - 2021-06-23 13:35 +0200
Re: set_error_handler(): duplicate error Arno Welzel <usenet@arnowelzel.de> - 2021-06-23 10:24 +0200
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