Online PHP editor | perf for U3RBZ

@ 2012-10-31T05:25:41Z

<?php
class obj implements arrayaccess {
    private $container = array();
    public function __construct() {
        $this->container = array(
            "one"   => 1,
            "two"   => 2,
            "three" => 3,
        );
    }
    public function offsetSet($offset, $value) {
        if (is_null($offset)) {
            $this->container[] = $value;
        } else {
            $this->container[$offset] = $value;
        }
    }
    public function offsetExists($offset) {
        return isset($this->container[$offset]);
    }
    public function offsetUnset($offset) {
        unset($this->container[$offset]);
    }
    public function offsetGet($offset) {
        var_dump($offset);
        return isset($this->container[$offset]) ? $this->container[$offset] : null;
    }
}

$obj = new obj;
$obj[6][7] = 7

var_dump($obj["two"]["2"]);
var_dump($obj["6"]["7"]);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
5.4.8	0.020	0.045	12.02
5.4.7	0.021	0.057	12.01
5.4.6	0.023	0.040	12.01
5.4.5	0.033	0.064	12.01
5.4.4	0.019	0.044	12.00
5.4.3	0.019	0.046	12.00
5.4.2	0.018	0.043	11.99
5.4.1	0.016	0.047	11.99
5.4.0	0.021	0.042	11.49
5.3.18	0.026	0.059	12.67
5.3.17	0.025	0.056	12.67
5.3.16	0.020	0.049	12.67
5.3.15	0.016	0.050	12.67
5.3.14	0.021	0.046	12.66
5.3.13	0.019	0.050	12.66
5.3.12	0.020	0.051	12.65
5.3.11	0.027	0.058	12.66
5.3.10	0.017	0.048	12.13
5.3.9	0.022	0.047	12.11
5.3.8	0.021	0.058	12.10
5.3.7	0.018	0.049	12.10
5.3.6	0.019	0.046	12.08
5.3.5	0.020	0.044	12.03
5.3.4	0.021	0.046	12.03
5.3.3	0.019	0.045	12.00
5.3.2	0.021	0.045	11.78
5.3.1	0.022	0.041	11.74
5.3.0	0.021	0.057	11.72

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