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<?php $test = array(); $test[5] = 'test'; if(array_key_exists(5,$test)){ echo '5 exists<br>'; } if(array_key_exists(2,$test)){ echo '2 exists<br>'; } if(array_key_exists(10,$test)){ echo '10 exists <br>'; }
Output for git.master, git.master_jit, rfc.property-hooks
5 exists<br>

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