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)); $b = "ololo"; var_dump(is_object($b)); $c = new stdClass(); var_dump(is_object($c)); var_dump(is_object(new stdclass));

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)
8.3.60.0170.00318.30
8.3.50.0120.00722.04
8.3.40.0040.01118.67
8.3.30.0090.00618.92
8.3.20.0050.00220.35
8.3.10.0030.00620.50
8.3.00.0100.00017.50
8.2.180.0040.01416.63
8.2.170.0120.00922.96
8.2.160.0070.00719.04
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00722.23
8.2.110.0060.00322.29
8.2.100.0070.00417.58
8.2.90.0080.00019.05
8.2.80.0000.00817.97
8.2.70.0080.00017.48
8.2.60.0000.00817.80
8.2.50.0050.00318.07
8.2.40.0030.00518.09
8.2.30.0000.00719.44
8.2.20.0050.00217.43
8.2.10.0040.00417.98
8.2.00.0000.00717.49
8.1.280.0110.00625.92
8.1.270.0040.00422.18
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.94
8.1.230.0080.00419.12
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0050.00517.22
8.1.190.0000.00817.10
8.1.180.0070.00018.10
8.1.170.0030.00618.51
8.1.160.0070.00021.95
8.1.150.0040.00418.79
8.1.140.0070.00017.27
8.1.130.0040.00417.75
8.1.120.0000.00817.32
8.1.110.0030.00617.27
8.1.100.0070.00017.30
8.1.90.0080.00317.27
8.1.80.0040.00317.29
8.1.70.0040.00417.29
8.1.60.0060.00317.47
8.1.50.0030.00617.29
8.1.40.0030.00617.38
8.1.30.0000.00817.42
8.1.20.0040.00417.41
8.1.10.0000.00817.43
8.1.00.0000.00817.31
8.0.300.0070.00018.77
8.0.290.0030.00616.63
8.0.280.0030.00318.37
8.0.270.0000.00717.16
8.0.260.0060.00017.12
8.0.250.0030.00316.89
8.0.240.0070.00416.90
8.0.230.0050.00316.78
8.0.220.0000.00716.68
8.0.210.0030.00316.78
8.0.200.0000.00816.94
8.0.190.0040.00416.89
8.0.180.0030.00516.82
8.0.170.0030.00516.87
8.0.160.0070.00016.77
8.0.150.0000.00716.68
8.0.140.0000.00816.73
8.0.130.0000.00513.27
8.0.120.0000.00816.70
8.0.110.0000.00716.75
8.0.100.0030.00316.70
8.0.90.0040.00416.65
8.0.80.0000.01616.88
8.0.70.0030.00516.85
8.0.60.0000.00716.79
8.0.50.0050.00216.68
8.0.30.0190.00216.75
8.0.20.0070.01617.40
8.0.10.0000.00816.89
8.0.00.0100.00716.66
7.4.330.0020.00215.00
7.4.320.0030.00316.42
7.4.300.0060.00016.50
7.4.290.0000.00716.46
7.4.280.0030.00816.57
7.4.270.0040.00416.34
7.4.260.0030.00316.52
7.4.250.0050.00216.50
7.4.240.0070.00016.46
7.4.230.0050.00316.53
7.4.220.0070.01016.36
7.4.210.0120.00316.60
7.4.200.0030.00316.63
7.4.160.0000.01516.29
7.4.150.0150.00917.40
7.4.140.0100.00817.86
7.4.130.0170.00516.41
7.4.120.0130.00716.48
7.4.110.0060.01616.47
7.4.100.0030.01616.38
7.4.90.0110.00816.50
7.4.80.0120.00919.39
7.4.70.0030.01316.50
7.4.60.0070.01016.44
7.4.50.0000.00816.23
7.4.40.0100.00716.15
7.4.30.0120.00416.49
7.4.00.0090.00614.63
7.3.330.0000.00713.26
7.3.320.0070.00013.25
7.3.310.0000.00816.14
7.3.300.0000.00716.26
7.3.290.0070.00716.25
7.3.280.0080.01016.24
7.3.270.0000.01917.40
7.3.260.0120.00616.63
7.3.250.0110.00616.26
7.3.240.0040.01316.30
7.3.230.0090.00916.39
7.3.210.0070.01116.54
7.3.200.0100.01319.39
7.3.190.0000.01716.36
7.3.180.0090.00616.62
7.3.170.0040.01616.42
7.3.160.0130.00316.32
7.2.330.0110.00716.43
7.2.320.0140.00316.61
7.2.310.0070.01016.72
7.2.300.0000.01716.68
7.2.290.0070.01016.77
7.2.60.0060.00616.71
7.2.00.0080.00818.80
7.1.200.0000.00715.84
7.1.100.0000.01117.92
7.1.70.0030.00517.12
7.1.60.0040.01819.61
7.1.50.0150.00834.43
7.1.00.0000.07722.32
7.0.200.0050.00316.46
7.0.140.0030.07322.10
7.0.60.0030.08320.00
7.0.50.0030.07717.97
7.0.40.0070.04320.18
7.0.30.0430.05320.19
7.0.20.0230.04720.08
7.0.10.0230.03320.31
7.0.00.0030.06320.10
5.6.280.0070.07021.04
5.6.210.0030.08320.64
5.6.200.0130.06318.16
5.6.190.0070.08020.67
5.6.180.0130.04320.48
5.6.170.0270.08320.55
5.6.160.0000.09020.44
5.6.150.0030.08318.27
5.6.140.0130.07318.11
5.6.130.0170.07018.17
5.6.120.0100.08721.02
5.6.110.0100.06720.98
5.6.100.0100.08320.98
5.6.90.0070.04320.99
5.6.80.0100.07720.36
5.5.350.0100.07720.48
5.5.340.0100.07317.96
5.5.330.0100.04320.13
5.5.320.0200.06020.38
5.5.310.0200.03720.33
5.5.300.0100.05718.08
5.5.290.0070.08017.95
5.5.280.0100.08320.64
5.5.270.0070.04020.67
5.5.260.0000.08320.88
5.5.250.0130.08020.58
5.5.240.0070.08320.25
5.4.450.0200.05019.64
5.4.440.0370.04719.54
5.4.430.0330.04719.46
5.4.420.0570.03719.48
5.4.410.0200.04019.20
5.4.400.0470.04019.10
5.4.390.0230.04719.31
5.4.380.0300.07318.84
5.4.370.0370.05318.55
5.4.360.0470.07018.61
5.4.350.0300.05718.56
5.4.340.0330.04318.74
5.4.320.0060.04412.50
5.4.310.0050.03712.49
5.4.300.0080.04512.50
5.4.290.0050.03712.50
5.4.280.0080.03812.39
5.4.270.0050.03712.39
5.4.260.0070.03812.39
5.4.250.0060.03712.39
5.4.240.0050.03912.39
5.4.230.0110.03512.38
5.4.220.0060.03712.38
5.4.210.0060.04012.38
5.4.200.0050.04512.38
5.4.190.0070.03312.38
5.4.180.0070.04612.38
5.4.170.0060.04012.39
5.4.160.0080.03912.39
5.4.150.0110.03512.38
5.4.140.0030.03812.07
5.4.130.0050.03512.05
5.4.120.0030.03712.01
5.4.110.0030.03912.01
5.4.100.0060.03412.00
5.4.90.0060.03612.01
5.4.80.0070.03512.01
5.4.70.0080.03612.01
5.4.60.0070.03312.00
5.4.50.0050.03512.00
5.4.40.0050.03412.00
5.4.30.0070.04311.98
5.4.20.0040.03711.99
5.4.10.0080.03211.99
5.4.00.0060.04411.48
5.3.290.0060.03912.80
5.3.280.0050.03712.71
5.3.270.0080.03612.72
5.3.260.0070.03712.71
5.3.250.0020.03912.72
5.3.240.0120.04012.72
5.3.230.0100.04512.71
5.3.220.0050.03612.68
5.3.210.0100.04212.68
5.3.200.0030.03912.68
5.3.190.0080.03412.68
5.3.180.0070.03412.67
5.3.170.0100.04212.67
5.3.160.0050.03712.67
5.3.150.0070.04212.68
5.3.140.0080.03412.66
5.3.130.0050.04012.66
5.3.120.0080.04412.65
5.3.110.0020.04112.66
5.3.100.0050.04012.12
5.3.90.0050.03712.10
5.3.80.0070.03612.09
5.3.70.0080.03412.09
5.3.60.0050.05312.07
5.3.50.0070.04412.02
5.3.40.0070.04512.02
5.3.30.0050.03411.98
5.3.20.0050.03511.76
5.3.10.0060.04411.73
5.3.00.0030.03711.71
5.2.170.0030.0329.21
5.2.160.0050.0309.22
5.2.150.0060.0309.21
5.2.140.0060.0299.21
5.2.130.0060.0399.18
5.2.120.0040.0349.18
5.2.110.0090.0269.18
5.2.100.0070.0339.18
5.2.90.0060.0379.18
5.2.80.0050.0299.17
5.2.70.0040.0309.18
5.2.60.0050.0469.12
5.2.50.0020.0339.09
5.2.40.0070.0269.07
5.2.30.0090.0329.05
5.2.20.0030.0309.03
5.2.10.0030.0308.94
5.2.00.0030.0308.81
5.1.60.0040.0248.09
5.1.50.0060.0228.08
5.1.40.0030.0268.06
5.1.30.0040.0328.42
5.1.20.0020.0348.43
5.1.10.0030.0278.16
5.1.00.0030.0278.16
5.0.50.0020.0246.65
5.0.40.0060.0226.51
5.0.30.0070.0376.32
5.0.20.0040.0266.29
5.0.10.0020.0296.26
5.0.00.0060.0336.25
4.4.90.0040.0144.78
4.4.80.0030.0174.76
4.4.70.0020.0154.75
4.4.60.0030.0154.76
4.4.50.0020.0184.77
4.4.40.0030.0284.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0040.0234.75
4.3.110.0020.0164.67
4.3.100.0030.0174.67
4.3.90.0020.0154.64
4.3.80.0030.0234.58
4.3.70.0020.0154.63
4.3.60.0020.0274.63
4.3.50.0020.0154.63
4.3.40.0040.0224.53
4.3.30.0020.0163.29
4.3.20.0050.0183.26
4.3.10.0030.0143.22
4.3.00.0000.02016.72

preferences:
38.92 ms | 400 KiB | 5 Q