<?php
/** @author: Pavlo Matsura <webxid@ukr.net> */function _dump($str, $exit = false, $var_title = 1, $var_dump = false) {if (!$var_dump) {$buff = print_r($str, true);} else {ob_start();var_dump($str);$buff = ob_get_clean();}$dumps_html = "\nDeBuging Dump\n=============\n# " . $var_title . "\n" . "===================================\n\n" . $buff . "\n" . "===================================\n\n";echo $dumps_html;if ($exit) {exit();}}
$rrr = [
234 => [234,456,578],
657 => [234,456,578],
2354 => [234,456,578],
564 => [234,456,578],
];
_dump(array_keys($rrr));
/* ----------- */
- Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.21, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- DeBuging Dump
=============
# 1
===================================
Array
(
[0] => 234
[1] => 657
[2] => 2354
[3] => 564
)
===================================
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
DeBuging Dump
=============
# 1
===================================
Array
(
[0] => 234
[1] => 657
[2] => 2354
[3] => 564
)
===================================
preferences:
161.01 ms | 402 KiB | 204 Q