3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = unserialize('O:14:"BogusTestClass":0:{}'); var_dump(is_object($a)); var_dump($a instanceof __PHP_Incomplete_Class); $a = new __PHP_Incomplete_Class(); var_dump(is_object($a)); class A extends __PHP_Incomplete_Class { } $a = new A(); var_dump(is_object($a)); $a = 100500; var_dump(is_object($a)); $b = 100501; var_dump(is_object($b));

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)
8.3.60.0040.01118.18
8.3.50.0120.00321.94
8.3.40.0140.00318.79
8.3.30.0070.00718.93
8.3.20.0000.00720.18
8.3.10.0040.00420.36
8.3.00.0080.00019.38
8.2.180.0090.00616.50
8.2.170.0040.01122.96
8.2.160.0030.01020.47
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0030.00621.03
8.2.110.0070.01520.47
8.2.100.0060.00617.66
8.2.90.0050.00318.95
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0040.00417.80
8.2.50.0060.00318.10
8.2.40.0040.00418.03
8.2.30.0000.00719.55
8.2.20.0040.00417.52
8.2.10.0060.00317.93
8.2.00.0000.00717.54
8.1.280.0060.00925.92
8.1.270.0080.00023.97
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0070.00721.91
8.1.230.0090.00320.94
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0030.00618.51
8.1.160.0030.00521.91
8.1.150.0040.00418.77
8.1.140.0000.00717.23
8.1.130.0000.00717.60
8.1.120.0040.00417.31
8.1.110.0030.00517.34
8.1.100.0040.00417.34
8.1.90.0070.00017.32
8.1.80.0000.00717.29
8.1.70.0030.00317.31
8.1.60.0000.01017.48
8.1.50.0050.00317.43
8.1.40.0090.00017.30
8.1.30.0000.00817.52
8.1.20.0040.00417.50
8.1.10.0040.00417.33
8.1.00.0070.00017.25
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0030.00318.33
8.0.270.0000.00717.13
8.0.260.0030.00317.18
8.0.250.0030.00316.79
8.0.240.0040.00416.82
8.0.230.0070.00016.90
8.0.220.0050.00216.82
8.0.210.0040.00416.81
8.0.200.0030.00316.82
8.0.190.0040.00416.93
8.0.180.0030.00316.85
8.0.170.0050.00316.68
8.0.160.0070.00016.77
8.0.150.0070.00016.79
8.0.140.0000.00716.75
8.0.130.0060.00013.22
8.0.120.0050.00316.71
8.0.110.0070.00016.87
8.0.100.0000.00816.79
8.0.90.0040.00316.66
8.0.80.0130.00316.87
8.0.70.0000.00916.79
8.0.60.0000.00916.69
8.0.50.0000.00816.71
8.0.30.0130.00616.80
8.0.20.0140.00617.40
8.0.10.0000.00816.82
8.0.00.0080.00916.50
7.4.330.0050.00015.00
7.4.320.0030.00316.57
7.4.300.0030.00316.60
7.4.290.0000.00716.47
7.4.280.0040.00416.55
7.4.270.0030.00316.51
7.4.260.0000.00716.34
7.4.250.0030.00316.49
7.4.240.0020.00516.49
7.4.230.0070.00016.58
7.4.220.0110.00816.38
7.4.210.0080.00616.40
7.4.200.0000.00816.65
7.4.160.0140.00716.32
7.4.150.0060.01317.40
7.4.140.0080.01117.86
7.4.130.0120.00716.45
7.4.120.0090.00916.36
7.4.110.0070.01116.45
7.4.100.0000.01816.45
7.4.90.0100.01116.37
7.4.80.0110.00619.39
7.4.70.0140.00316.46
7.4.60.0090.00916.34
7.4.50.0040.00416.61
7.4.40.0110.01216.45
7.4.30.0060.00916.16
7.4.00.0030.01014.85
7.3.330.0000.00613.19
7.3.320.0000.00513.13
7.3.310.0000.00916.25
7.3.300.0000.00716.31
7.3.290.0090.00516.23
7.3.280.0090.01116.23
7.3.270.0140.00717.40
7.3.260.0110.00616.56
7.3.250.0090.01016.34
7.3.240.0140.00316.35
7.3.230.0060.01116.65
7.3.210.0100.01316.20
7.3.200.0060.00919.39
7.3.190.0070.01416.38
7.3.180.0110.01116.50
7.3.170.0090.00616.27
7.3.160.0060.01016.40
7.2.330.0140.00316.52
7.2.320.0000.01716.73
7.2.310.0070.01016.43
7.2.300.0100.00716.56
7.2.290.0040.01316.67
7.2.60.0070.00716.57
7.2.00.0030.01019.52
7.1.200.0030.00615.56
7.1.100.0040.01117.97
7.1.70.0000.00817.17
7.1.60.0110.01519.61
7.1.50.0060.00916.89
7.1.00.0130.06722.34
7.0.200.0190.00414.76
7.0.140.0000.07722.01
7.0.100.0200.06720.16
7.0.90.0200.05020.00
7.0.80.0030.05020.12
7.0.70.0230.06319.84
7.0.60.0230.07720.02
7.0.50.0030.05020.35
7.0.40.0170.07020.03
7.0.30.0170.05720.13
7.0.20.0100.06320.11
7.0.10.0070.08020.07
7.0.00.0030.08320.14
5.6.280.0030.07321.14
5.6.250.0030.09020.50
5.6.240.0230.04020.75
5.6.230.0100.06020.50
5.6.220.0100.07020.70
5.6.210.0100.04320.45
5.6.200.0070.05721.04
5.6.190.0100.07320.95
5.6.180.0100.08320.95
5.6.170.0170.06721.00
5.6.160.0070.08321.05
5.6.150.0100.06021.02
5.6.140.0030.09021.04
5.6.130.0030.08321.04
5.6.120.0030.07021.18
5.6.110.0030.08721.04
5.6.100.0070.05021.06
5.6.90.0200.07021.00
5.6.80.0070.07720.45
5.6.70.0030.05020.41
5.6.60.0100.04020.50
5.6.50.0100.07720.44
5.6.40.0070.08020.38
5.6.30.0070.09320.50
5.6.20.0130.06720.29
5.6.10.0100.06320.48
5.6.00.0100.07020.50
5.5.380.0070.04720.49
5.5.370.0170.03720.38
5.5.360.0070.08020.34
5.5.350.0130.07320.34
5.5.340.0100.06020.82
5.5.330.0070.07720.64
5.5.320.0000.04720.64
5.5.310.0030.05720.77
5.5.300.0070.07320.85
5.5.290.0030.05320.85
5.5.280.0170.06020.86
5.5.270.0100.07020.88
5.5.260.0030.08720.90
5.5.250.0070.07320.56
5.5.240.0130.07320.31
5.5.230.0100.07020.17
5.5.220.0130.03320.25
5.5.210.0130.04020.30
5.5.200.0200.07320.23
5.5.190.0100.07720.18
5.5.180.0100.06020.23
5.5.160.0000.05020.21
5.5.150.0100.06320.17
5.5.140.0000.04320.25
5.5.130.0130.06720.26
5.5.120.0070.08020.10
5.5.110.0000.07020.12
5.5.100.0030.07020.06
5.5.90.0130.05320.02
5.5.80.0100.06320.01
5.5.70.0030.07720.16
5.5.60.0030.04320.11
5.5.50.0100.05320.01
5.5.40.0030.06320.06
5.5.30.0030.06720.13
5.5.20.0030.05020.15
5.5.10.0030.05019.97
5.5.00.0170.06320.11
5.4.450.0000.04319.47
5.4.440.0070.08019.37
5.4.430.0070.04019.37
5.4.420.0130.07019.46
5.4.410.0100.07719.07
5.4.400.0100.07318.87
5.4.390.0130.07019.05
5.4.380.0070.07719.04
5.4.370.0100.07719.13
5.4.360.0100.07319.05
5.4.350.0070.06718.95
5.4.340.0000.08319.14
5.4.320.0130.07719.13
5.4.310.0100.06019.04
5.4.300.0130.07019.02
5.4.290.0100.06319.03
5.4.280.0000.04319.16
5.4.270.0030.05018.84
5.4.260.0100.05318.94
5.4.250.0130.05719.02
5.4.240.0030.04319.04
5.4.230.0200.06318.94
5.4.220.0100.05319.13
5.4.210.0170.06318.87
5.4.200.0030.04319.03
5.4.190.0070.07019.03
5.4.180.0070.07719.03
5.4.170.0170.04019.13
5.4.160.0130.06719.02
5.4.150.0070.06019.21
5.4.140.0030.05016.34
5.4.130.0000.07316.40
5.4.120.0070.07716.33
5.4.110.0030.03316.29
5.4.100.0000.08016.46
5.4.90.0100.04316.43
5.4.80.0070.06316.27
5.4.70.0130.07016.48
5.4.60.0070.04016.37
5.4.50.0130.07316.26
5.4.40.0000.06716.49
5.4.30.0070.07716.51
5.4.20.0130.05016.31
5.4.10.0130.06016.39
5.4.00.0100.07315.63
5.3.290.0130.06714.75
5.3.280.0100.05714.59
5.3.270.0170.07014.63
5.3.260.0100.06314.59
5.3.250.0030.04714.63
5.3.240.0070.04014.65
5.3.230.0030.06314.66
5.3.220.0070.04014.50
5.3.210.0030.08014.68
5.3.200.0070.07014.50
5.3.190.0130.05714.55
5.3.180.0030.04314.58
5.3.170.0070.07714.58
5.3.160.0100.04714.66
5.3.150.0070.06314.63
5.3.140.0030.06014.67
5.3.130.0100.04714.64
5.3.120.0030.07714.47
5.3.110.0030.07714.57
5.3.100.0070.06714.13
5.3.90.0000.05714.07
5.3.80.0070.06014.04
5.3.70.0070.05714.11
5.3.60.0030.06313.99
5.3.50.0100.05313.94
5.3.40.0030.06013.95
5.3.30.0030.08013.90
5.3.20.0030.03713.72
5.3.10.0030.05013.55
5.3.00.0030.05013.77
5.2.170.0100.05311.04
5.2.160.0000.04011.16
5.2.150.0170.02311.16
5.2.140.0130.02311.20
5.2.130.0100.05711.20
5.2.120.0100.04310.96
5.2.110.0100.05711.15
5.2.100.0000.03711.12
5.2.90.0100.04311.11
5.2.80.0030.03311.11
5.2.70.0030.05011.16
5.2.60.0030.05310.95
5.2.50.0070.03311.07
5.2.40.0030.03311.13
5.2.30.0070.03710.99
5.2.20.0030.02710.87
5.2.10.0130.02310.86
5.2.00.0070.04310.78
5.1.60.0000.03010.00
5.1.50.0000.03010.00
5.1.40.0030.04310.09
5.1.30.0030.04310.47
5.1.20.0070.05010.27
5.1.10.0070.0439.91
5.1.00.0030.05010.05
5.0.50.0070.0438.75
5.0.40.0030.0378.75
5.0.30.0000.0638.75
5.0.20.0000.0478.75
5.0.10.0030.0438.75
5.0.00.0070.0438.75
4.4.90.0030.0138.75
4.4.80.0000.0378.75
4.4.70.0070.0308.75
4.4.60.0000.0378.75
4.4.50.0000.0308.75
4.4.40.0000.0538.75
4.4.30.0030.0138.75
4.4.20.0000.0208.75
4.4.10.0030.0278.75
4.4.00.0070.0238.75
4.3.110.0000.0338.75
4.3.100.0030.0338.75
4.3.90.0030.0278.75
4.3.80.0030.0308.75
4.3.70.0000.0208.75
4.3.60.0030.0278.75
4.3.50.0100.0308.75
4.3.40.0000.0378.75
4.3.30.0030.0208.75
4.3.20.0000.0178.75
4.3.10.0130.0108.75
4.3.00.0000.0378.75

preferences:
40.44 ms | 404 KiB | 6 Q