3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = array(); var_dump(isset($obj['name'])); unset($obj['name']); $obj = new ArrayObject(array(), ArrayObject::ARRAY_AS_PROPS | ArrayObject::STD_PROP_LIST); var_dump(isset($obj['name'])); unset($obj['name']); $obj = new ArrayObject; var_dump(isset($obj['name'])); unset($obj['name']);

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)
8.3.60.0170.00316.75
8.3.50.0150.00517.17
8.3.40.0040.01118.65
8.3.30.0030.01018.68
8.3.20.0090.00018.57
8.3.10.0030.00520.48
8.3.00.0080.00017.50
8.2.180.0160.00316.63
8.2.170.0120.00622.96
8.2.160.0030.01022.13
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0000.00819.77
8.2.110.0060.00321.11
8.2.100.0070.00417.78
8.2.90.0040.00419.23
8.2.80.0030.00618.04
8.2.70.0000.00817.63
8.2.60.0080.00017.80
8.2.50.0080.00018.07
8.2.40.0040.00418.16
8.2.30.0000.00717.99
8.2.20.0040.00417.61
8.2.10.0000.00817.73
8.2.00.0000.00717.61
8.1.280.0130.00725.92
8.1.270.0070.00023.99
8.1.260.0000.00926.35
8.1.250.0080.00028.09
8.1.240.0050.00520.73
8.1.230.0090.00321.04
8.1.220.0000.00917.74
8.1.210.0030.00518.77
8.1.200.0030.00717.22
8.1.190.0000.00717.28
8.1.180.0000.00818.10
8.1.170.0080.00018.90
8.1.160.0000.00718.73
8.1.150.0070.00018.63
8.1.140.0030.00617.38
8.1.130.0030.00317.84
8.1.120.0030.00317.33
8.1.110.0000.00717.39
8.1.100.0000.00817.43
8.1.90.0000.00717.26
8.1.80.0000.00717.29
8.1.70.0030.00317.36
8.1.60.0030.00517.50
8.1.50.0000.00817.32
8.1.40.0070.00017.51
8.1.30.0030.00517.61
8.1.20.0040.00417.63
8.1.10.0090.00017.46
8.1.00.0040.00417.55
8.0.300.0080.00019.89
8.0.290.0070.00016.75
8.0.280.0050.00318.47
8.0.270.0000.00717.20
8.0.260.0070.00016.81
8.0.250.0000.00716.98
8.0.240.0000.00816.84
8.0.230.0030.00316.84
8.0.220.0040.00416.80
8.0.210.0000.00716.88
8.0.200.0040.00416.97
8.0.190.0050.00216.86
8.0.180.0040.00416.87
8.0.170.0060.00316.95
8.0.160.0030.00616.91
8.0.150.0050.00316.85
8.0.140.0030.00816.75
8.0.130.0030.00313.39
8.0.120.0070.00016.84
8.0.110.0040.00416.95
8.0.100.0030.00416.76
8.0.90.0020.00516.88
8.0.80.0030.01216.87
8.0.70.0030.00516.73
8.0.60.0040.00416.76
8.0.50.0030.00516.79
8.0.30.0140.00417.04
8.0.20.0110.00716.93
8.0.10.0040.00416.89
8.0.00.0120.01016.67
7.4.330.0000.00613.10
7.4.320.0000.00616.52
7.4.300.0030.00316.50
7.4.290.0000.00716.62
7.4.280.0040.00416.63
7.4.270.0080.00016.40
7.4.260.0030.00313.28
7.4.250.0050.00316.40
7.4.240.0030.00316.54
7.4.230.0040.00416.64
7.4.220.0140.00416.60
7.4.210.0090.00716.55
7.4.200.0070.00016.53
7.4.190.0000.00716.66
7.4.160.0030.01216.40
7.4.150.0090.00916.38
7.4.140.0050.01216.47
7.4.130.0100.01016.51
7.4.120.0140.00416.42
7.4.110.0070.01016.57
7.4.100.0000.01716.27
7.4.90.0120.00616.49
7.4.80.0100.00716.60
7.4.70.0100.00716.22
7.4.60.0080.00816.41
7.4.50.0020.00216.42
7.4.40.0020.00716.35
7.4.30.0100.01016.30
7.4.00.0030.00615.00
7.3.330.0050.00213.14
7.3.320.0030.00313.14
7.3.310.0000.00816.35
7.3.300.0040.00416.29
7.3.290.0090.00916.14
7.3.280.0070.01016.26
7.3.270.0120.00516.13
7.3.260.0090.00816.31
7.3.250.0090.00916.29
7.3.240.0090.00616.25
7.3.230.0000.01616.37
7.3.210.0100.00716.40
7.3.200.0090.00919.39
7.3.190.0080.01116.35
7.3.180.0090.00616.28
7.3.170.0150.00616.30
7.3.160.0060.01216.24
7.3.120.0060.00914.75
7.2.330.0030.01616.30
7.2.320.0070.01016.46
7.2.310.0060.01916.50
7.2.300.0090.01316.68
7.2.290.0070.01016.43
7.2.60.0030.00716.84
7.1.200.0090.00315.63
7.1.100.0000.01118.20
7.1.70.0030.00617.17
7.1.60.0000.01117.16
7.1.50.0110.01116.84
7.1.00.0100.07022.36
7.0.200.0100.00716.63
7.0.140.0000.08022.09
7.0.120.0000.07722.17
7.0.60.0130.07319.90
7.0.50.0130.07717.86
7.0.40.0130.06320.12
7.0.30.0200.04020.09
7.0.20.0230.07720.02
7.0.10.0030.05020.20
7.0.00.0030.06020.08
5.6.280.0000.07720.91
5.6.210.0170.07020.61
5.6.200.0070.03718.16
5.6.190.0000.05020.33
5.6.180.0470.07020.43
5.6.170.0330.07020.38
5.6.160.0030.06320.48
5.6.150.0100.08018.16
5.6.140.0070.04718.16
5.6.130.0030.08318.20
5.6.120.0070.06021.09
5.6.110.0070.06721.04
5.6.100.0030.06020.98
5.6.90.0070.04021.12
5.6.80.0030.05320.38
5.5.350.0230.04720.44
5.5.340.0200.03018.02
5.5.330.0070.07020.57
5.5.320.0270.04320.29
5.5.310.0230.08320.30
5.5.300.0170.07017.98
5.5.290.0100.06717.96
5.5.280.0030.07320.88
5.5.270.0070.03720.85
5.5.260.0100.06720.77
5.5.250.0100.03720.77
5.5.240.0030.06320.28
5.4.450.0100.08319.41
5.4.440.0000.05319.44
5.4.430.0100.08019.40
5.4.420.0070.08019.09
5.4.410.0100.05719.35
5.4.400.0070.03319.09
5.4.390.0170.04719.14
5.4.380.0130.03018.92
5.4.370.0030.04018.79
5.4.360.0070.05318.78
5.4.350.0070.04719.18
5.4.340.0100.06318.79
5.4.320.0000.04319.18
5.4.310.0100.04719.18
5.4.300.0000.04019.08
5.4.290.0100.07018.78
5.4.280.0130.04319.08
5.4.270.0030.05019.14
5.4.260.0000.08019.08
5.4.250.0170.06718.91
5.4.240.0130.05019.07
5.4.230.0000.08018.80
5.4.220.0030.05018.90
5.4.210.0070.03718.77
5.4.200.0070.05719.15
5.4.190.0030.04018.78
5.4.180.0030.06019.11
5.4.170.0000.05018.99
5.4.160.0000.04319.16
5.4.150.0100.07319.13
5.4.140.0130.04316.34
5.4.130.0130.02716.36
5.4.120.0030.04016.28
5.4.110.0130.05316.14
5.4.100.0130.05716.15
5.4.90.0130.05716.25
5.4.80.0030.04316.26
5.4.70.0030.03716.38
5.4.60.0070.07316.38
5.4.50.0030.05016.34
5.4.40.0070.03316.39
5.4.30.0030.04016.36
5.4.20.0030.04016.17
5.4.10.0030.05016.24
5.4.00.0000.04015.82
5.3.290.0070.03714.75
5.3.280.0100.06714.56
5.3.270.0070.07314.54
5.3.260.0000.05014.53
5.3.250.0000.04314.57
5.3.240.0030.05014.50
5.3.230.0100.07314.56
5.3.220.0030.04314.50
5.3.210.0130.04314.35
5.3.200.0130.05714.53
5.3.190.0070.06014.52
5.3.180.0000.05014.48
5.3.170.0030.05314.51
5.3.160.0030.07314.35
5.3.150.0070.04014.49
5.3.140.0000.04714.50
5.3.130.0070.03714.56
5.3.120.0100.07714.47
5.3.110.0030.08314.37
5.3.100.0100.07313.96
5.3.90.0100.07713.98
5.3.80.0030.04313.85
5.3.70.0070.06313.97
5.3.60.0030.04713.96
5.3.50.0000.05013.88
5.3.40.0130.03313.87
5.3.30.0200.06013.85
5.3.20.0130.03313.70
5.3.10.0130.03713.59
5.3.00.0170.06013.56
5.2.170.0070.06311.15
5.2.160.0130.02711.04
5.2.150.0070.03311.03
5.2.140.0000.04711.07
5.2.130.0030.03010.96
5.2.120.0030.05010.98
5.2.110.0030.04311.00
5.2.100.0100.04011.09
5.2.90.0030.03310.99
5.2.80.0030.04011.03
5.2.70.0070.06011.10
5.2.60.0100.02310.92
5.2.50.0030.05310.99
5.2.40.0030.03710.98
5.2.30.0100.05010.82
5.2.20.0070.04310.81
5.2.10.0070.05710.93
5.2.00.0070.05310.70
5.1.60.0030.05310.01
5.1.50.0000.0579.97
5.1.40.0070.0239.97
5.1.30.0000.05010.38
5.1.20.0000.05710.27
5.1.10.0030.05710.03
5.1.00.0030.0309.96
5.0.50.0070.0278.54
5.0.40.0000.0338.45
5.0.30.0030.0438.06
5.0.20.0030.0438.18
5.0.10.0030.0438.18
5.0.00.0030.0638.06
4.4.90.0030.0207.82
4.4.80.0030.0337.82
4.4.70.0100.0277.82
4.4.60.0030.0307.82
4.4.50.0030.0337.82
4.4.40.0070.0507.82
4.4.30.0000.0237.82
4.4.20.0000.0337.82
4.4.10.0000.0277.82
4.4.00.0000.0507.82
4.3.110.0030.0337.82
4.3.100.0000.0207.82
4.3.90.0000.0207.82
4.3.80.0070.0307.82
4.3.70.0030.0137.82
4.3.60.0000.0237.82
4.3.50.0000.0207.82
4.3.40.0000.0377.82
4.3.30.0030.0177.82
4.3.20.0000.0207.82
4.3.10.0030.0137.82
4.3.00.0000.0307.82

preferences:
47.66 ms | 401 KiB | 5 Q