3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ExtendedArrayAccess implements ArrayAccess { private $data = array(); function __construct(array $array = array()) { $this->data = $array; } function offsetExists($offset) { return array_key_exists($offset, $this->data); } function offsetGet($offset) { return $this->data[$offset]; } function offsetSet($offset, $value) { $this->data[$offset] = $value; } function offsetUnset($offset) { unset($this->data[$offset]); } } $array = new ExtendedArrayAccess(); $array[0] = null; $v = &$array[0]; assert(isset($v) === false); assert(empty($array[0]) === true);

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)
8.3.40.0100.01018.84
8.3.30.0090.00618.64
8.3.20.0090.00018.77
8.3.10.0000.00820.92
8.3.00.0050.00223.29
8.2.170.0100.01022.96
8.2.160.0150.00620.35
8.2.150.0080.00024.18
8.2.140.0050.00524.66
8.2.130.0030.00626.16
8.2.120.0040.00419.48
8.2.110.0090.00021.12
8.2.100.0060.00617.91
8.2.90.0040.00419.22
8.2.80.0000.00918.03
8.2.70.0000.00817.75
8.2.60.0040.00417.92
8.2.50.0000.00818.07
8.2.40.0090.00018.16
8.2.30.0040.00419.86
8.2.20.0040.00417.85
8.2.10.0040.00417.89
8.2.00.0080.00017.74
8.1.270.0060.00323.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0110.00420.88
8.1.230.0070.00421.04
8.1.220.0080.00018.77
8.1.210.0070.00318.97
8.1.200.0060.00317.23
8.1.190.0040.00417.51
8.1.180.0060.00618.10
8.1.170.0030.00518.66
8.1.160.0000.00718.83
8.1.150.0000.00718.57
8.1.140.0000.00817.40
8.1.130.0030.00317.80
8.1.120.0030.00517.47
8.1.110.0030.00517.53
8.1.100.0040.00417.39
8.1.90.0050.00317.44
8.1.80.0000.00717.55
8.1.70.0030.00317.36
8.1.60.0050.00317.55
8.1.50.0040.00417.52
8.1.40.0040.00417.42
8.1.30.0030.00617.62
8.1.20.0030.00517.63
8.1.10.0000.00717.52
8.1.00.0030.00617.51
8.0.300.0040.00420.03
8.0.290.0080.00016.88
8.0.280.0030.00318.39
8.0.270.0030.00317.33
8.0.260.0060.00016.98
8.0.250.0000.00716.91
8.0.240.0060.00517.07
8.0.230.0030.00316.97
8.0.220.0030.00316.97
8.0.210.0000.00716.88
8.0.200.0000.00716.95
8.0.190.0000.00717.02
8.0.180.0000.00717.02
8.0.170.0000.00717.02
8.0.160.0000.00716.87
8.0.150.0070.00016.86
8.0.140.0040.00416.97
8.0.130.0030.00313.38
8.0.120.0000.00716.83
8.0.110.0000.00816.91
8.0.100.0040.00416.86
8.0.90.0020.00516.96
8.0.80.0060.01016.89
8.0.70.0000.00816.96
8.0.60.0040.00417.02
8.0.50.0080.00016.92
8.0.30.0120.00817.09
8.0.20.0130.00717.40
8.0.10.0080.00017.16
8.0.00.0110.01116.96
7.4.330.0050.00014.68
7.4.320.0060.00016.61
7.4.300.0080.00016.65
7.4.290.0090.00016.66
7.4.280.0000.00716.62
7.4.270.0030.00316.52
7.4.260.0000.00513.23
7.4.250.0040.00416.46
7.4.240.0070.00016.57
7.4.230.0000.00716.69
7.4.220.0090.00916.46
7.4.210.0060.01016.57
7.4.200.0000.00716.50
7.4.190.0000.00716.67
7.4.160.0170.00016.59
7.4.150.0170.00717.40
7.4.140.0110.00817.86
7.4.130.0080.00816.54
7.4.120.0050.01216.57
7.4.110.0100.00916.69
7.4.100.0080.01216.68
7.4.90.0130.01016.56
7.4.80.0190.00019.37
7.4.70.0200.00716.57
7.4.60.0120.00416.54
7.4.50.0060.00316.64
7.4.40.0100.00322.27
7.4.30.0120.00616.66
7.4.10.0090.00914.82
7.4.00.0050.01014.92
7.3.330.0020.00213.43
7.3.320.0000.00613.38
7.3.310.0040.00416.38
7.3.300.0070.00016.44
7.3.290.0090.00616.41
7.3.280.0090.01116.42
7.3.270.0100.00817.40
7.3.260.0140.00618.24
7.3.250.0110.00816.56
7.3.240.0150.00316.37
7.3.230.0030.01816.59
7.3.210.0030.01416.64
7.3.200.0090.00619.39
7.3.190.0070.01016.38
7.3.180.0060.01016.52
7.3.170.0070.01316.58
7.3.160.0080.00916.33
7.3.130.0100.00715.04
7.3.120.0080.00914.87
7.3.110.0110.00814.95
7.3.100.0030.01014.58
7.3.90.0050.00514.71
7.3.80.0090.00314.50
7.3.70.0000.01514.77
7.3.60.0000.01114.82
7.3.50.0070.00314.82
7.3.40.0070.00714.74
7.3.30.0030.00614.87
7.3.20.0000.01116.83
7.3.10.0060.00316.88
7.3.00.0030.00916.60
7.2.330.0100.00716.66
7.2.320.0060.00916.80
7.2.310.0150.00916.79
7.2.300.0100.00716.81
7.2.290.0120.01216.58
7.2.260.0080.00315.21
7.2.250.0070.01015.00
7.2.240.0070.00715.33
7.2.230.0060.00915.17
7.2.220.0060.00314.77
7.2.210.0000.01115.21
7.2.200.0110.00315.05
7.2.190.0030.00915.06
7.2.180.0120.00015.05
7.2.170.0090.00614.96
7.2.160.0100.00715.01
7.2.150.0090.00016.80
7.2.140.0000.01316.74
7.2.130.0030.01016.49
7.2.120.0070.01016.52
7.2.110.0060.00617.06
7.2.100.0060.00616.83
7.2.90.0070.00716.95
7.2.80.0060.01216.87
7.2.70.0040.00816.98
7.2.60.0060.00916.86
7.2.50.0100.00616.81
7.2.40.0090.00616.97
7.2.30.0030.01016.73
7.2.20.0110.00516.94
7.2.10.0100.00717.05
7.2.00.0050.01018.08
7.1.330.0100.00315.92
7.1.320.0030.01415.77
7.1.310.0030.01015.36
7.1.300.0090.00615.29
7.1.290.0030.00715.64
7.1.280.0060.00315.91
7.1.270.0030.01015.93
7.1.260.0030.01015.61
7.1.250.0080.00515.79
7.1.240.0110.00415.64
7.1.230.0000.01115.79
7.1.220.0040.00815.50
7.1.210.0080.00415.58
7.1.200.0000.01215.71
7.1.190.0060.00615.75
7.1.180.0060.00315.82
7.1.170.0060.00615.78
7.1.160.0040.00815.93
7.1.150.0070.00715.48
7.1.140.0100.00715.48
7.1.130.0030.01015.45
7.1.120.0060.00615.75
7.1.110.0000.01415.75
7.1.100.0000.00816.93
7.1.90.0130.00015.78
7.1.80.0030.01315.60
7.1.70.0030.00716.55
7.1.60.0070.01317.61
7.1.50.0060.01316.44
7.1.40.0000.01115.75
7.1.30.0070.00415.56
7.1.20.0000.00915.86
7.1.10.0070.00715.88
7.1.00.0080.02519.07
7.0.330.0070.00715.32
7.0.320.0040.01115.28
7.0.310.0070.00715.11
7.0.300.0080.00815.43
7.0.290.0040.01915.01
7.0.280.0130.00515.16
7.0.270.0040.00715.41
7.0.260.0000.01515.16
7.0.250.0000.01115.48
7.0.240.0000.01315.33
7.0.230.0100.00015.57
7.0.220.0080.00015.28
7.0.210.0030.01015.19
7.0.200.0050.00616.16
7.0.190.0060.00615.57
7.0.180.0030.00815.41
7.0.170.0000.01215.29
7.0.160.0030.00715.42
7.0.150.0090.00415.11
7.0.140.0040.04018.60
7.0.130.0080.00315.19
7.0.120.0110.00415.47
7.0.110.0070.00315.43
7.0.100.0000.00815.58
7.0.90.0030.00915.43
7.0.80.0060.00315.55
7.0.70.0000.00915.41
7.0.60.0030.04318.48
7.0.50.0040.04518.74
7.0.40.0050.04516.85
7.0.30.0100.04016.67
7.0.20.0030.03016.71
7.0.10.0020.04816.77
7.0.00.0080.03616.77
5.6.400.0060.00914.59
5.6.390.0100.00314.32
5.6.380.0000.01214.71
5.6.370.0120.00414.62
5.6.360.0030.01314.70
5.6.350.0030.01014.86
5.6.340.0080.01214.49
5.6.330.0000.01514.22
5.6.320.0070.00714.43
5.6.310.0110.00414.69
5.6.300.0070.00414.36
5.6.290.0070.00714.64
5.6.280.0070.03517.88
5.6.270.0000.01214.64
5.6.260.0000.01314.39
5.6.250.0000.00814.49
5.6.240.0120.00014.20
5.6.230.0100.00014.41
5.6.220.0050.00514.14
5.6.210.0100.04017.55
5.6.200.0060.04517.76
5.6.190.0070.04417.77
5.6.180.0070.04317.72
5.6.170.0100.02717.58
5.6.160.0020.04117.75
5.6.150.0060.04017.84
5.6.140.0100.03417.84
5.6.130.0030.04617.62
5.6.120.0080.03917.81
5.6.110.0050.04517.77
5.6.100.0070.03417.65
5.6.90.0090.04017.51
5.6.80.0030.04217.21
5.6.70.0050.04017.40
5.6.60.0120.03517.48
5.6.50.0050.04217.52
5.6.40.0070.03517.16
5.6.30.0080.04317.29
5.6.20.0050.03217.37
5.6.10.0060.04617.25
5.6.00.0020.02717.47
5.5.380.0080.00414.55
5.5.370.0040.01114.51
5.5.360.0040.00414.25
5.5.350.0020.04817.41
5.5.340.0060.04317.42
5.5.330.0050.03617.67
5.5.320.0100.03817.57
5.5.310.0070.02517.50
5.5.300.0020.03917.72
5.5.290.0030.04317.56
5.5.280.0020.04817.64
5.5.270.0080.03817.54
5.5.260.0020.04917.65
5.5.250.0030.04817.58
5.5.240.0110.03617.18
5.5.230.0030.04017.27
5.5.220.0080.03417.27
5.5.210.0060.03817.40
5.5.200.0050.03917.31
5.5.190.0050.04117.13
5.5.180.0070.04217.13
5.5.170.0080.00814.32
5.5.160.0030.04017.09
5.5.150.0080.03717.11
5.5.140.0100.03217.20
5.5.130.0030.04617.17
5.5.120.0050.04017.08
5.5.110.0030.04317.22
5.5.100.0020.04517.39
5.5.90.0050.04217.14
5.5.80.0020.04317.03
5.5.70.0070.04517.31
5.5.60.0080.03217.13
5.5.50.0030.03417.26
5.5.40.0090.03717.21
5.5.30.0060.04217.33
5.5.20.0070.03517.33
5.5.10.0030.03517.25
5.5.00.0030.04717.24
5.4.450.0020.04615.45
5.4.440.0050.04715.24
5.4.430.0050.04015.34
5.4.420.0070.04015.45
5.4.410.0000.04615.11
5.4.400.0050.04015.08
5.4.390.0000.04715.24
5.4.380.0040.03815.17
5.4.370.0020.04315.05
5.4.360.0030.03815.24
5.4.350.0020.03915.16
5.4.340.0040.02815.12
5.4.330.0030.01011.36
5.4.320.0000.04315.11
5.4.310.0000.04015.17
5.4.300.0050.03815.19
5.4.290.0050.04015.17
5.4.280.0090.03815.05
5.4.270.0030.03815.06
5.4.260.0060.02215.11
5.4.250.0030.03315.04
5.4.240.0100.03715.20
5.4.230.0050.03915.03
5.4.220.0050.03015.25
5.4.210.0050.03715.06
5.4.200.0030.03415.11
5.4.190.0050.03814.90
5.4.180.0070.03214.85
5.4.170.0030.04015.15
5.4.160.0070.03915.04
5.4.150.0070.04015.05
5.4.140.0000.03713.91
5.4.130.0050.03713.84
5.4.120.0070.03013.85
5.4.110.0070.03813.76
5.4.100.0030.03813.63
5.4.90.0050.04213.82
5.4.80.0060.04013.66
5.4.70.0020.04213.82
5.4.60.0020.04013.73
5.4.50.0080.03513.91
5.4.40.0000.04213.83
5.4.30.0050.03213.76
5.4.20.0030.03513.78
5.4.10.0020.04413.77
5.4.00.0060.03613.56
5.3.290.0050.04012.72
5.3.280.0040.03912.50
5.3.270.0050.04012.69
5.3.260.0050.04012.67
5.3.250.0060.02612.70
5.3.240.0030.03312.62
5.3.230.0030.04012.57
5.3.220.0070.03812.51
5.3.210.0060.04112.54
5.3.200.0100.04012.61
5.3.190.0070.03512.57
5.3.180.0040.04212.58
5.3.170.0020.03712.71
5.3.160.0030.03912.63
5.3.150.0060.03612.68
5.3.140.0030.04312.68
5.3.130.0050.03212.67
5.3.120.0020.04812.63
5.3.110.0030.04312.67
5.3.100.0040.03912.37
5.3.90.0020.04212.33
5.3.80.0020.03712.26
5.3.70.0050.04212.32
5.3.60.0020.04212.31
5.3.50.0040.03312.20
5.3.40.0030.03012.22
5.3.30.0050.04012.29
5.3.20.0020.04012.13
5.3.10.0050.03112.08
5.3.00.0050.03412.09
5.2.170.0100.04711.20
5.2.160.0000.06711.17
5.2.150.0000.06011.15
5.2.140.0070.06311.20
5.2.130.0030.06311.16
5.2.120.0030.05711.10
5.2.110.0030.04711.17
5.2.100.0070.04311.13
5.2.90.0030.05710.97
5.2.80.0000.06711.16
5.2.70.0070.06011.12
5.2.60.0070.04311.07
5.2.50.0000.05710.88
5.2.40.0000.05311.10
5.2.30.0030.04710.96
5.2.20.0000.05011.02
5.2.10.0030.05310.93
5.2.00.0000.06310.78
5.1.60.0030.03710.51
5.1.50.0030.05710.51
5.1.40.0030.03310.51
5.1.30.0030.03310.51
5.1.20.0070.05010.51
5.1.10.0030.05310.51
5.1.00.0030.05310.51
5.0.50.0000.04710.51
5.0.40.0000.04710.51
5.0.30.0030.06310.51
5.0.20.0000.04710.51
5.0.10.0030.04310.51
5.0.00.0030.05710.51
4.4.90.0070.02710.51
4.4.80.0000.01710.51
4.4.70.0000.03310.51
4.4.60.0000.03710.51
4.4.50.0000.03310.51
4.4.40.0000.04010.51
4.4.30.0000.02010.51
4.4.20.0000.02010.51
4.4.10.0000.03310.51
4.4.00.0000.04710.51
4.3.110.0070.02710.51
4.3.100.0070.03010.51
4.3.90.0000.03310.51
4.3.80.0070.04010.51
4.3.70.0000.02310.51
4.3.60.0030.03010.51
4.3.50.0070.03010.51
4.3.40.0000.04310.51
4.3.30.0000.02310.51
4.3.20.0070.01710.51
4.3.10.0000.02710.51
4.3.00.0070.02710.51

preferences:
49.23 ms | 400 KiB | 5 Q