3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = null; var_dump(empty($var));

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)
8.3.40.0060.00918.48
8.3.30.0070.00720.07
8.3.20.0040.00420.21
8.3.10.0000.00822.14
8.3.00.0000.00822.36
8.2.170.0120.00622.96
8.2.160.0110.00322.08
8.2.150.0050.00324.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0110.00320.68
8.2.110.0060.00322.15
8.2.100.0090.00317.78
8.2.90.0070.00019.09
8.2.80.0040.00419.34
8.2.70.0000.00817.38
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0070.00018.21
8.2.30.0070.00019.38
8.2.20.0060.00317.46
8.2.10.0070.00017.68
8.2.00.0070.00618.16
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00023.96
8.1.230.0080.00319.16
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0030.00658.67
8.1.190.0040.00417.39
8.1.180.0090.00018.10
8.1.170.0040.00418.53
8.1.160.0000.00718.73
8.1.150.0030.00518.48
8.1.140.0040.00417.29
8.1.130.0060.00518.19
8.1.120.0020.01017.92
8.1.110.0050.00618.02
8.1.100.0060.00518.05
8.1.90.0050.00618.00
8.1.80.0070.00517.98
8.1.70.0100.00217.94
8.1.60.0100.00317.88
8.1.50.0110.00417.78
8.1.40.0090.00617.83
8.1.30.0120.00317.93
8.1.20.0080.00717.79
8.1.10.0120.00517.65
8.1.00.0110.00617.67
8.0.300.0000.00818.77
8.0.290.0000.00717.05
8.0.280.0040.00418.36
8.0.270.0030.00317.20
8.0.260.0070.00417.33
8.0.250.0080.00317.41
8.0.240.0110.00117.46
8.0.230.0060.00517.46
8.0.220.0050.00617.36
8.0.210.0070.00417.32
8.0.200.0080.00417.44
8.0.190.0060.00417.20
8.0.180.0070.00517.18
8.0.170.0100.00317.20
8.0.160.0060.00717.23
8.0.150.0120.00317.00
8.0.140.0090.00517.00
8.0.130.0110.00416.17
8.0.120.0110.00417.07
8.0.110.0090.00516.98
8.0.100.0090.00517.06
8.0.90.0080.00517.04
8.0.80.0140.00117.04
8.0.70.0090.00516.99
8.0.60.0060.00717.02
8.0.50.0110.00417.05
8.0.30.0120.00716.98
8.0.20.0100.00917.22
8.0.10.0110.00517.11
8.0.00.0080.00916.93
7.4.330.0090.00015.96
7.4.320.0070.00617.02
7.4.300.0050.00616.94
7.4.290.0080.00516.77
7.4.280.0110.00216.79
7.4.270.0100.00616.71
7.4.260.0120.00315.88
7.4.250.0110.00516.70
7.4.240.0100.00316.63
7.4.230.0150.00216.75
7.4.220.0090.00616.73
7.4.210.0080.00816.59
7.4.200.0070.00316.69
7.4.190.0060.00516.74
7.4.180.0080.00516.86
7.4.160.0100.00616.64
7.4.150.0110.00516.87
7.4.140.0090.00516.89
7.4.130.0100.00716.47
7.4.120.0080.00916.38
7.4.110.0110.00516.43
7.4.100.0090.00716.58
7.4.90.0100.00616.50
7.4.80.0090.00716.83
7.4.70.0110.00616.38
7.4.60.0100.00816.45
7.4.50.0080.00816.36
7.4.40.0080.00917.32
7.4.30.0130.00516.44
7.4.20.0110.00616.39
7.4.10.0100.00816.35
7.4.00.0100.00716.24
7.3.330.0110.00215.63
7.3.320.0080.00515.67
7.3.310.0080.00616.36
7.3.300.0110.00216.30
7.3.290.0130.00216.38
7.3.280.0080.00816.23
7.3.270.0100.00616.65
7.3.260.0110.00716.41
7.3.250.0120.00516.28
7.3.240.0070.00916.35
7.3.230.0080.00916.33
7.3.220.0120.00416.23
7.3.210.0110.00616.29
7.3.200.0090.00916.22
7.3.190.0090.00816.20
7.3.180.0130.00316.21
7.3.170.0110.00616.27
7.3.160.0110.00616.25
7.3.150.0110.00616.32
7.3.140.0120.00616.19
7.3.130.0100.00816.18
7.3.120.0110.00715.99
7.3.110.0120.00616.21
7.3.100.0100.00816.18
7.3.90.0110.00716.17
7.3.80.0110.00716.01
7.3.70.0120.00416.10
7.3.60.0090.00916.08
7.3.50.0120.00716.08
7.3.40.0100.00616.10
7.3.30.0110.00716.06
7.3.20.0180.00716.82
7.3.10.0130.00616.75
7.3.00.0140.00516.70
7.2.340.0110.00516.36
7.2.330.0120.00816.41
7.2.320.0120.00816.41
7.2.310.0120.00716.39
7.2.300.0120.00816.39
7.2.290.0150.00516.42
7.2.280.0110.00816.35
7.2.270.0130.00816.45
7.2.260.0130.00716.39
7.2.250.0150.00616.43
7.2.240.0120.00716.41
7.2.230.0130.00616.42
7.2.220.0120.00816.25
7.2.210.0070.01116.20
7.2.200.0140.00616.31
7.2.190.0110.00816.32
7.2.180.0130.00716.24
7.2.170.0120.00616.33
7.2.160.0110.00716.30
7.2.150.0170.00716.97
7.2.140.0120.00917.01
7.2.130.0120.00717.01
7.2.120.0130.00617.11
7.2.110.0130.00716.96
7.2.100.0110.00816.96
7.2.90.0150.00716.98
7.2.80.0130.00717.06
7.2.70.0120.00817.02
7.2.60.0130.00716.96
7.2.50.0110.00816.96
7.2.40.0270.00917.05
7.2.30.0120.00716.99
7.2.20.0140.00617.08
7.2.10.0100.00917.34
7.2.00.0110.00717.54
7.1.330.0180.00716.27
7.1.320.0130.00615.98
7.1.310.0120.00515.94
7.1.300.0110.00715.89
7.1.290.0120.00515.90
7.1.280.0120.00815.93
7.1.270.0150.00715.91
7.1.260.0120.00715.91
7.1.250.0130.00515.83
7.1.240.0110.00815.94
7.1.230.0120.00715.95
7.1.220.0140.00615.96
7.1.210.0120.00815.98
7.1.200.0130.00515.85
7.1.190.0130.00715.96
7.1.180.0140.00515.88
7.1.170.0270.00815.85
7.1.160.0120.00615.91
7.1.150.0130.00715.87
7.1.140.0120.00915.87
7.1.130.0110.00816.18
7.1.120.0120.00716.21
7.1.110.0130.00716.12
7.1.100.0110.00916.10
7.1.90.0180.00616.05
7.1.80.0110.00716.15
7.1.70.0140.00716.04
7.1.60.0120.00717.92
7.1.50.0140.00517.86
7.1.40.0110.01017.75
7.1.30.0110.00917.79
7.1.20.0130.00817.84
7.1.10.0110.00716.00
7.1.00.0110.00716.01
7.0.330.0120.00715.60
7.0.320.0100.00815.52
7.0.310.0130.00715.53
7.0.300.0110.00715.58
7.0.290.0150.00615.57
7.0.280.0140.00515.56
7.0.270.0130.00615.83
7.0.260.0130.00515.85
7.0.250.0110.00715.90
7.0.240.0130.00615.82
7.0.230.0120.00615.91
7.0.220.0110.00715.87
7.0.210.0100.00915.78
7.0.200.0100.00715.79
7.0.190.0120.00515.83
7.0.180.0110.00715.69
7.0.170.0100.00815.83
7.0.160.0090.00715.69
7.0.150.0120.00715.76
7.0.140.0120.00515.76
7.0.130.0150.00715.81
7.0.120.0130.00715.83
7.0.110.0110.00615.67
7.0.100.0090.00815.67
7.0.90.0110.00615.68
7.0.80.0110.00715.75
7.0.70.0110.00715.70
7.0.60.0150.00515.65
7.0.50.0100.00815.69
7.0.40.0100.00715.58
7.0.30.0110.00715.63
7.0.20.0110.00615.59
7.0.10.0110.00715.63
7.0.00.0100.00715.57
5.6.400.0110.00715.64
5.6.390.0140.00715.70
5.6.380.0130.00815.55
5.6.370.0110.00715.64
5.6.360.0120.00815.60
5.6.350.0130.00515.60
5.6.340.0140.00615.55
5.6.330.0130.00715.69
5.6.320.0100.00815.64
5.6.310.0110.00815.59
5.6.300.0120.01516.67
5.6.290.0110.01716.66
5.6.280.0120.01516.63
5.6.270.0110.01816.67
5.6.260.0100.01616.73
5.6.250.0120.01616.67
5.6.240.0110.02016.74
5.6.230.0120.01516.70
5.6.220.0110.01616.70
5.6.210.0110.01616.72
5.6.200.0110.01516.74
5.6.190.0120.01716.72
5.6.180.0110.01616.74
5.6.170.0110.01616.71
5.6.160.0120.01516.65
5.6.150.0100.01816.69
5.6.140.0100.01816.70
5.6.130.0110.02116.70
5.6.120.0120.01816.67
5.6.110.0120.01416.68
5.6.100.0120.01916.65
5.6.90.0110.01616.71
5.6.80.0110.01716.54
5.6.70.0110.01916.60
5.6.60.0120.01616.53
5.6.50.0110.01516.53
5.6.40.0090.02316.53
5.6.30.0110.01616.52
5.6.20.0110.01616.45
5.6.10.0120.01716.55
5.6.00.0130.01816.51
5.5.380.0130.01715.99
5.5.370.0130.01516.03
5.5.360.0120.01615.89
5.5.350.0130.01615.94
5.5.340.0130.01615.97
5.5.330.0140.01416.11
5.5.320.0140.02016.07
5.5.310.0130.01716.00
5.5.300.0150.01515.99
5.5.290.0120.01916.00
5.5.280.0140.01616.05
5.5.270.0110.01816.06
5.5.260.0130.01816.00
5.5.250.0120.01816.01
5.5.240.0130.02115.91
5.5.230.0120.02115.92
5.5.220.0140.01415.87
5.5.210.0130.01615.96
5.5.200.0110.01915.88
5.5.190.0120.01915.81
5.5.180.0140.01615.86
5.5.170.0150.00815.56
5.5.160.0110.02015.86
5.5.150.0120.01915.85
5.5.140.0110.01615.88
5.5.130.0130.01615.83
5.5.120.0130.01515.89
5.5.110.0130.02115.95
5.5.100.0110.01715.86
5.5.90.0130.01915.85
5.5.80.0120.01715.87
5.5.70.0120.01615.82
5.5.60.0130.01515.85
5.5.50.0120.01615.86
5.5.40.0120.01515.84
5.5.30.0120.01415.85
5.5.20.0110.01615.89
5.5.10.0090.01715.79
5.5.00.0130.01615.76
5.4.450.0130.01314.27
5.4.440.0100.01614.29
5.4.430.0110.01614.32
5.4.420.0120.01414.28
5.4.410.0100.01614.23
5.4.400.0120.01614.18
5.4.390.0100.01814.18
5.4.380.0100.01414.17
5.4.370.0120.01514.24
5.4.360.0110.02114.17
5.4.350.0120.01214.17
5.4.340.0120.01314.16
5.4.330.0120.00612.99
5.4.320.0120.01714.17
5.4.310.0100.01514.23
5.4.300.0100.01514.20
5.4.290.0120.01314.19
5.4.280.0120.01314.20
5.4.270.0110.02014.18
5.4.260.0110.01614.18
5.4.250.0150.01614.17
5.4.240.0120.01214.19
5.4.230.0100.01714.16
5.4.220.0110.01514.10
5.4.210.0130.01314.12
5.4.200.0100.01414.08
5.4.190.0100.01514.15
5.4.180.0120.01414.11
5.4.170.0100.02014.13
5.4.160.0110.01314.15
5.4.150.0130.01614.11
5.4.140.0100.01413.67
5.4.130.0120.01313.67
5.4.120.0110.01513.67
5.4.110.0090.01713.65
5.4.100.0140.01013.67
5.4.90.0110.01513.67
5.4.80.0110.01213.69
5.4.70.0130.01313.69
5.4.60.0120.01313.65
5.4.50.0110.01413.67
5.4.40.0110.01513.65
5.4.30.0110.01313.65
5.4.20.0120.01213.70
5.4.10.0080.01513.70
5.4.00.0110.01613.58
5.3.290.0090.02013.80
5.3.280.0100.01413.67
5.3.270.0090.01513.70
5.3.260.0100.01513.76
5.3.250.0110.01413.67
5.3.240.0110.01413.68
5.3.230.0110.01713.67
5.3.220.0110.01413.55
5.3.210.0090.02013.63
5.3.200.0090.01613.57
5.3.190.0130.01213.61
5.3.180.0110.01713.72
5.3.170.0110.01313.70
5.3.160.0100.01413.70
5.3.150.0140.01213.71
5.3.140.0110.01413.70
5.3.130.0100.01513.62
5.3.120.0090.01713.68
5.3.110.0110.01613.69
5.3.100.0120.01513.60
5.3.90.0110.01413.61
5.3.80.0110.01713.50
5.3.70.0080.02013.46
5.3.60.0100.01313.57
5.3.50.0100.01413.56
5.3.40.0080.01513.48
5.3.30.0100.01413.66
5.3.20.0090.01513.50
5.3.10.0100.01313.41
5.3.00.0110.01513.36

preferences:
47.65 ms | 400 KiB | 5 Q