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<?php $data = ['foo'=>'1', 'bar'=>'2', 'baz'=>'3']; while(list($key, $value) = each($data)) { echo(sprontf('Current key is [%s] and value [%s]'.PHP_EOL, $key, $value)); if($value==='2') { end($data); $result = key($data); } }
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function each() in /in/dgY8n:4 Stack trace: #0 {main} thrown in /in/dgY8n on line 4
Process exited with code 255.

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