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<?php error_reporting(E_ALL); // Simple array: $array = array('1' => 'satu', '2' => 'dua'); $count = count($array); for ($i = 0; $i < $count; $i++) { echo "\nChecking $i: \n"; echo "Bad: " . $array['$i'] . "\n"; echo "Good: " . $array[$i] . "\n"; echo "Bad: {$array['$i']}\n"; echo "Good: {$array[$i]}\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
Checking 0: Warning: Undefined array key "$i" in /in/cM9oQ on line 8 Bad: Warning: Undefined array key 0 in /in/cM9oQ on line 9 Good: Warning: Undefined array key "$i" in /in/cM9oQ on line 10 Bad: Warning: Undefined array key 0 in /in/cM9oQ on line 11 Good: Checking 1: Warning: Undefined array key "$i" in /in/cM9oQ on line 8 Bad: Good: satu Warning: Undefined array key "$i" in /in/cM9oQ on line 10 Bad: Good: satu

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