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<?php $myArray = array( 0 => "string_value", 1 => "string_value2", 3 => array( 'config' => array( 'option1' => "value1", 'option2' => "value2", ), ), 4 => "string_value3", ); $index; foreach ($myArray as $key => $item){ if (isset($item["config"])) $index = $key; } echo $index;
Output for 5.6.0 - 5.6.29, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 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
3
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 3
preferences:
175.06 ms | 404 KiB | 191 Q