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<?php function parseIntOrException($val) { $int = (int)$val; if ((string)$int === (string)$val) { return FALSE; } return $int; } $result = array(); foreach (array(1, '2', '3.0', 4.0, 5, '0') as $x) { $result[var_export($x, TRUE)] = var_export(parseIntOrException($x), TRUE); } print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [1] => false ['2'] => false ['3.0'] => 3 [4.0] => false [5] => false ['0'] => false )

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