3v4l.org

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<?php $stocks = [ "stock0" => 1, "stockdate0" => '', "stock1" => 3, "stockdate1" => 'apple', "stock4DON'TMATCHTHIS!!!" => 4, "stock2" => 2, "stockdate2" => '', "stock33" => 333, "stockdate33" => '' ]; $find = 'stock'; var_export( array_filter($stocks, fn($k) => rtrim($k, '0..9') === $find, ARRAY_FILTER_USE_KEY) );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
array ( 'stock0' => 1, 'stock1' => 3, 'stock2' => 2, 'stock33' => 333, )
preferences:
114.81 ms | 407 KiB | 5 Q