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<?php $myArray = array(); $arrayKeys = array_keys($myArray); echo $myArray[$arrayKeys[0]];
Output for rfc.property-hooks
Warning: Undefined array key 0 in /in/jLboD on line 5 Warning: Undefined array key "" in /in/jLboD on line 5
Output for git.master, git.master_jit
Warning: Undefined array key 0 in /in/jLboD on line 5 Deprecated: Using null as an array offset is deprecated, use an empty string instead in /in/jLboD on line 5 Warning: Undefined array key "" in /in/jLboD on line 5

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