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<?php $dataAgent['Paul'] = array('Sale' => 4,'Conv' => 1.5); $dataAgent['Bill'] = array('Sale' => 6,'Conv' => 5.5); $dataAgent['Tom'] = array('Sale' => 1); $dataAgent['Jake'] = array('Sale' => 6,'Conv' => 10.5); if(array_key_exists("Conv",$dataAgent[0])) { print_r($dataAgent); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 0 in /in/aapOq on line 8 Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, null given in /in/aapOq:8 Stack trace: #0 {main} thrown in /in/aapOq on line 8
Process exited with code 255.

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