3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj implements arrayaccess { private $container = array(); public function __construct() { $this->container = array( "one" => 1, "two" => 2, "three" => 3, ); } public function offsetSet($offset, $value) { echo (int)is_null($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) { return isset($this->container[$offset]) ? $this->container[$offset] : null; } } $obj = new obj; $obj[0] = 'Append 1'; print_r($obj);

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).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0100.01017.00
8.3.60.0070.01018.43
8.3.50.0180.01422.04
8.3.40.0180.00318.85
8.3.30.0070.00719.18
8.3.20.0000.00820.34
8.3.10.0000.00923.44
8.3.00.0070.00020.75
8.2.180.0180.00016.50
8.2.170.0120.00322.96
8.2.160.0140.00720.40
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0040.00419.51
8.2.110.0030.00622.07
8.2.100.0090.00320.39
8.2.90.0040.00419.26
8.2.80.0030.00617.97
8.2.70.0050.00517.63
8.2.60.0070.00317.89
8.2.50.0030.00618.07
8.2.40.0080.00020.01
8.2.30.0050.00318.28
8.2.20.0030.00517.66
8.2.10.0000.00718.18
8.2.00.0000.00817.69
8.1.280.0070.00725.92
8.1.270.0050.00323.96
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0060.00322.09
8.1.230.0030.00818.98
8.1.220.0000.00917.79
8.1.210.0050.00318.77
8.1.200.0000.00917.35
8.1.190.0000.00817.25
8.1.180.0030.00518.10
8.1.170.0080.00018.64
8.1.160.0040.00422.06
8.1.150.0000.00718.68
8.1.140.0070.00017.45
8.1.130.0000.00819.61
8.1.120.0000.00717.49
8.1.110.0050.00517.53
8.1.100.0030.00517.46
8.1.90.0000.00717.50
8.1.80.0000.00717.34
8.1.70.0070.00017.36
8.1.60.0000.00817.60
8.1.50.0040.00417.46
8.1.40.0000.00717.49
8.1.30.0030.00617.60
8.1.20.0050.00317.54
8.1.10.0000.00817.47
8.1.00.0050.00317.54
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.45
8.0.270.0000.00717.27
8.0.260.0020.00517.31
8.0.250.0070.00016.93
8.0.240.0080.00016.96
8.0.230.0000.00716.93
8.0.220.0040.00416.78
8.0.210.0000.00716.78
8.0.200.0090.00016.95
8.0.190.0000.00816.94
8.0.180.0050.00216.93
8.0.170.0030.00616.78
8.0.160.0000.00816.91
8.0.150.0080.00416.87
8.0.140.0070.00016.77
8.0.130.0000.00613.37
8.0.120.0050.00216.82
8.0.110.0000.00816.86
8.0.100.0040.00416.99
8.0.90.0050.00316.78
8.0.80.0000.02016.82
8.0.70.0000.00816.91
8.0.60.0040.00416.97
8.0.50.0000.00716.94
8.0.30.0050.01417.13
8.0.20.0120.00817.40
8.0.10.0040.00416.91
8.0.00.0090.01316.71
7.4.330.0000.00615.00
7.4.320.0040.00416.62
7.4.300.0060.00016.66
7.4.290.0050.00316.66
7.4.280.0080.00016.50
7.4.270.0030.00316.59
7.4.260.0040.00416.48
7.4.250.0000.00816.44
7.4.240.0050.00216.49
7.4.230.0000.00716.39
7.4.220.0140.00316.67
7.4.210.0090.00616.68
7.4.200.0000.00816.50
7.4.160.0030.01316.65
7.4.150.0100.00717.40
7.4.140.0170.00317.86
7.4.130.0140.00516.52
7.4.120.0110.00516.63
7.4.110.0070.01016.43
7.4.100.0110.00616.43
7.4.90.0100.00616.56
7.4.80.0030.01619.39
7.4.70.0100.01316.46
7.4.60.0090.01316.66
7.4.50.0040.00416.35
7.4.40.0080.00816.40
7.4.30.0150.00016.45
7.4.00.0060.00715.03
7.3.330.0030.00313.29
7.3.320.0060.00013.34
7.3.310.0030.00316.18
7.3.300.0030.00316.28
7.3.290.0080.01216.39
7.3.280.0110.00416.40
7.3.270.0090.00917.40
7.3.260.0130.00716.43
7.3.250.0070.00916.42
7.3.240.0040.01416.43
7.3.230.0120.01216.41
7.3.210.0100.00716.42
7.3.200.0080.00819.39
7.3.190.0080.00816.24
7.3.180.0030.01416.62
7.3.170.0120.00316.39
7.3.160.0040.01416.60
7.3.120.0040.01114.75
7.3.110.0070.00714.98
7.3.100.0060.01314.90
7.3.90.0100.00314.95
7.3.80.0090.00614.80
7.3.70.0040.00814.66
7.3.60.0070.00714.76
7.3.50.0070.00714.81
7.3.40.0070.00314.68
7.3.30.0030.00614.89
7.3.20.0050.00516.40
7.3.10.0120.00316.73
7.3.00.0070.01016.67
7.2.330.0130.01016.57
7.2.320.0130.00616.80
7.2.310.0090.01216.72
7.2.300.0090.00916.66
7.2.290.0130.01316.79
7.2.250.0070.00714.84
7.2.240.0090.00614.61
7.2.230.0130.00315.17
7.2.220.0090.00615.15
7.2.210.0040.01114.76
7.2.200.0090.00615.16
7.2.190.0000.01315.10
7.2.180.0030.01014.96
7.2.170.0070.01015.27
7.2.160.0100.00714.82
7.2.150.0080.00816.52
7.2.140.0000.01716.96
7.2.130.0030.01017.13
7.2.120.0030.01017.02
7.2.110.0030.01216.84
7.2.100.0070.00717.10
7.2.90.0030.01017.01
7.2.80.0070.01017.04
7.2.70.0000.01716.74
7.2.60.0030.01016.87
7.2.50.0090.00616.90
7.2.40.0040.00816.68
7.2.30.0140.00317.10
7.2.20.0120.00316.96
7.2.10.0080.00416.92
7.2.00.0130.00316.96
7.1.330.0030.01315.91
7.1.320.0030.00915.48
7.1.310.0030.00915.56
7.1.300.0060.00315.78
7.1.290.0000.01115.85
7.1.280.0130.00315.89
7.1.270.0040.00815.85
7.1.260.0030.01015.93
7.1.250.0050.00315.95
7.1.240.0030.01015.58
7.1.230.0040.01215.80
7.1.220.0040.01115.94
7.1.210.0040.01415.55
7.1.200.0140.00715.37
7.1.190.0040.01115.76
7.1.180.0000.01415.63
7.1.170.0140.00315.90
7.1.160.0040.00715.55
7.1.150.0070.00715.73
7.1.140.0060.00315.80
7.1.130.0040.00815.61
7.1.120.0090.00615.83
7.1.110.0030.00615.91
7.1.100.0040.01115.84
7.1.90.0040.01115.63
7.1.80.0030.01015.93
7.1.70.0030.01016.37
7.1.60.0100.00817.63
7.1.50.0080.01016.45
7.1.40.0000.00815.82
7.1.30.0080.00815.67
7.1.20.0040.01415.63
7.1.10.0030.01615.61
7.1.00.0080.04019.08
7.0.330.0060.00615.35
7.0.320.0040.01515.36
7.0.310.0100.00315.11
7.0.300.0030.01415.34
7.0.290.0090.00015.52
7.0.280.0030.00815.60
7.0.270.0040.00715.45
7.0.260.0030.00915.53
7.0.250.0030.01015.63
7.0.240.0030.01015.52
7.0.230.0090.00015.26
7.0.220.0110.00415.64
7.0.210.0030.01015.56
7.0.200.0030.00516.21
7.0.190.0130.00015.33
7.0.180.0070.00715.52
7.0.170.0000.00815.46
7.0.160.0130.00315.31
7.0.150.0100.00315.50
7.0.140.0050.03818.71
7.0.130.0070.01015.28
7.0.120.0030.01315.55
7.0.110.0030.01015.56
7.0.100.0080.05017.71
7.0.90.0120.04217.61
7.0.80.0070.04517.63
7.0.70.0070.04117.71
7.0.60.0060.04417.69
7.0.50.0080.04417.97
7.0.40.0080.04616.88
7.0.30.0090.04416.77
7.0.20.0070.04016.77
7.0.10.0100.03716.82
7.0.00.0030.05016.82
5.6.400.0090.00614.65
5.6.390.0060.00614.45
5.6.380.0100.00314.91
5.6.370.0110.00314.16
5.6.360.0060.00914.71
5.6.350.0100.00314.78
5.6.340.0030.01214.43
5.6.330.0070.00714.49
5.6.320.0040.01214.80
5.6.310.0070.00714.50
5.6.300.0060.00914.55
5.6.290.0050.00814.60
5.6.280.0040.04217.84
5.6.270.0060.01214.46
5.6.260.0060.00614.79
5.6.250.0240.02917.73
5.6.240.0050.04317.68
5.6.230.0050.04917.57
5.6.220.0110.03417.54
5.6.210.0050.04417.59
5.6.200.0070.04017.83
5.6.190.0140.04117.85
5.6.180.0070.03417.80
5.6.170.0070.03817.80
5.6.160.0120.02317.91
5.6.150.0050.05017.80
5.6.140.0020.04717.97
5.6.130.0070.04817.64
5.6.120.0030.04517.72
5.6.110.0110.04217.75
5.6.100.0100.04117.84
5.6.90.0080.04617.82
5.6.80.0090.03117.46
5.6.70.0090.02517.59
5.6.60.0050.02617.48
5.6.50.0040.02417.52
5.6.40.0050.03317.40
5.6.30.0030.02817.37
5.6.20.0130.03517.50
5.6.10.0100.02217.34
5.6.00.0070.04217.31
5.5.380.0050.04517.32
5.5.370.0150.03017.59
5.5.360.0020.04817.33
5.5.350.0050.03417.47
5.5.340.0120.04617.73
5.5.330.0050.04417.63
5.5.320.0100.04217.63
5.5.310.0130.03617.75
5.5.300.0150.03717.81
5.5.290.0100.03517.79
5.5.280.0070.03317.75
5.5.270.0040.04617.63
5.5.260.0080.04517.64
5.5.250.0030.04417.62
5.5.240.0050.04517.27
5.5.230.0030.02717.28
5.5.220.0050.02417.27
5.5.210.0080.03817.42
5.5.200.0100.04217.25
5.5.190.0080.04217.25
5.5.180.0100.04217.34
5.5.170.0060.00914.34
5.5.160.0070.03517.31
5.5.150.0050.04417.27
5.5.140.0060.04117.25
5.5.130.0050.04317.33
5.5.120.0080.04317.22
5.5.110.0070.04517.40
5.5.100.0070.03717.25
5.5.90.0100.03717.16
5.5.80.0080.04317.20
5.5.70.0090.04117.26
5.5.60.0060.04817.09
5.5.50.0160.03717.20
5.5.40.0080.04217.38
5.5.30.0100.02317.34
5.5.20.0100.03317.24
5.5.10.0090.04017.19
5.5.00.0060.04317.38
5.4.450.0100.02315.67
5.4.440.0070.04415.59
5.4.430.0050.04315.70
5.4.420.0080.03815.69
5.4.410.0060.03915.69
5.4.400.0130.03515.54
5.4.390.0030.03215.42
5.4.380.0050.04115.49
5.4.370.0070.03915.41
5.4.360.0050.04015.42
5.4.350.0050.04515.45
5.4.340.0050.02715.58
5.4.330.0000.00711.95
5.4.320.0050.03615.52
5.4.310.0050.04315.42
5.4.300.0050.04415.56
5.4.290.0050.03515.50
5.4.280.0110.03515.52
5.4.270.0090.02815.50
5.4.260.0050.04115.44
5.4.250.0090.04015.41
5.4.240.0030.04415.56
5.4.230.0030.03315.51
5.4.220.0080.04015.49
5.4.210.0070.04015.54
5.4.200.0060.04415.56
5.4.190.0080.03815.48
5.4.180.0110.03315.58
5.4.170.0100.04015.58
5.4.160.0080.03815.52
5.4.150.0100.03715.40
5.4.140.0050.04014.18
5.4.130.0070.04014.07
5.4.120.0080.03814.20
5.4.110.0030.04014.21
5.4.100.0090.02514.11
5.4.90.0080.03214.15
5.4.80.0060.04214.19
5.4.70.0130.03314.13
5.4.60.0030.04214.25
5.4.50.0100.02814.16
5.4.40.0070.04014.20
5.4.30.0020.02714.17
5.4.20.0100.03314.19
5.4.10.0050.04314.17
5.4.00.0070.03513.82
5.3.290.0030.03313.33
5.3.280.0030.04213.31
5.3.270.0080.04213.31
5.3.260.0020.02913.26
5.3.250.0040.04413.31
5.3.240.0070.03013.29
5.3.230.0030.03613.27
5.3.220.0050.03113.31
5.3.210.0080.03313.28
5.3.200.0010.03113.29
5.3.190.0070.04013.31
5.3.180.0050.03213.24
5.3.170.0080.03813.25
5.3.160.0050.03713.33
5.3.150.0080.04013.28
5.3.140.0070.04013.23
5.3.130.0110.02313.24
5.3.120.0110.02813.26
5.3.110.0050.04313.31
5.3.100.0020.03813.07
5.3.90.0040.04312.98
5.3.80.0030.03213.03
5.3.70.0080.03312.95
5.3.60.0080.03312.95
5.3.50.0050.04212.89
5.3.40.0080.03312.90
5.3.30.0070.03613.00
5.3.20.0020.04112.88
5.3.10.0160.02012.85
5.3.00.0080.03912.82
5.2.170.0030.06012.37
5.2.160.0100.05312.37
5.2.150.0000.06312.37
5.2.140.0070.03712.37
5.2.130.0070.04712.37
5.2.120.0100.03312.37
5.2.110.0070.06012.37
5.2.100.0030.06312.37
5.2.90.0000.05312.37
5.2.80.0030.06712.37
5.2.70.0170.05312.37
5.2.60.0070.06012.37
5.2.50.0030.06312.37
5.2.40.0100.05012.37
5.2.30.0030.05312.37
5.2.20.0030.05312.37
5.2.10.0070.04312.37
5.2.00.0070.05012.37
5.1.60.0070.04312.37
5.1.50.0070.04312.37
5.1.40.0070.05312.37
5.1.30.0100.05312.37
5.1.20.0070.05012.37
5.1.10.0030.04712.37
5.1.00.0030.05312.37
5.0.50.0030.04712.37
5.0.40.0070.03712.37
5.0.30.0000.04312.37
5.0.20.0000.02012.37
5.0.10.0030.02712.37
5.0.00.0070.05012.37
4.4.90.0070.03012.37
4.4.80.0070.03312.37
4.4.70.0070.02712.37
4.4.60.0070.03312.37
4.4.50.0030.03012.37
4.4.40.0030.05012.37
4.4.30.0030.03312.37
4.4.20.0000.03712.37
4.4.10.0170.02712.37
4.4.00.0000.05712.37
4.3.110.0030.02712.37
4.3.100.0000.03012.37
4.3.90.0000.02012.37
4.3.80.0000.03712.37
4.3.70.0000.02712.37
4.3.60.0000.03712.37
4.3.50.0030.03312.37
4.3.40.0030.03012.37
4.3.30.0030.03312.37
4.3.20.0070.03312.37
4.3.10.0000.03712.37
4.3.00.0030.03312.37

preferences:
44.28 ms | 401 KiB | 5 Q