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<?php $userdb = [ [ '100', 'Sandra', 'urlof100' ], [ '5465', 'Stefanie', 'urlof5465' ], [ '40489', 'Michael', 'urlof40489' ] ]; foreach($userdb as $i => $e) { if (is_array($e) && in_array( "Sandra",$e ) ){ foreach($e as $k => $v) { if ($v == 'Sandra') { break; } } echo 'Yes, "Sandra" is in array in row ', $i, ', column ', $k; } } //alternatively: print_r(array_keys($userdb)); $res = array_search('Sandra',array_keys($userdb)); print_r($res);
Output for 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
Yes, "Sandra" is in array in row 0, column 1Array ( [0] => 0 [1] => 1 [2] => 2 )
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 Yes, "Sandra" is in array in row 0, column 1Array ( [0] => 0 [1] => 1 [2] => 2 )
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Yes, "Sandra" is in array in row 0, column 1Array ( [0] => 0 [1] => 1 [2] => 2 ) 0
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207.46 ms | 402 KiB | 290 Q