3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = null ?? 'nothing'; echo $test;

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)
8.3.60.0070.01418.33
8.3.50.0260.00321.15
8.3.40.0060.00918.88
8.3.30.0110.00418.71
8.3.20.0040.00420.07
8.3.10.0040.00420.61
8.3.00.0080.00020.02
8.2.180.0070.00718.41
8.2.170.0140.00022.96
8.2.160.0100.01022.16
8.2.150.0030.00524.18
8.2.140.0100.00024.66
8.2.130.0100.01020.61
8.2.120.0040.00426.35
8.2.110.0080.00022.20
8.2.100.0070.00417.93
8.2.90.0040.00419.08
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0000.00718.05
8.2.50.0090.00318.09
8.2.40.0070.00020.47
8.2.30.0030.00319.50
8.2.20.0000.00717.70
8.2.10.0040.00417.99
8.2.00.0050.00218.10
8.1.280.0150.00325.92
8.1.270.0040.00423.93
8.1.260.0040.00428.09
8.1.250.0060.00328.09
8.1.240.0140.00022.05
8.1.230.0070.00319.00
8.1.220.0040.00417.76
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.00
8.1.180.0040.00418.10
8.1.170.0000.00818.47
8.1.160.0000.00820.69
8.1.150.0070.00018.81
8.1.140.0030.00619.42
8.1.130.0000.00717.54
8.1.120.0030.00317.41
8.1.110.0000.00717.34
8.1.100.0000.00717.40
8.1.90.0070.00017.38
8.1.80.0050.00217.26
8.1.70.0040.00417.27
8.1.60.0040.00417.41
8.1.50.0000.00817.35
8.1.40.0080.00017.42
8.1.30.0080.00017.57
8.1.20.0040.00417.40
8.1.10.0040.00417.39
8.1.00.0070.00017.29
8.0.300.0000.00718.77
8.0.290.0030.00516.75
8.0.280.0040.00418.35
8.0.270.0070.00017.23
8.0.260.0000.00617.12
8.0.250.0030.00317.01
8.0.240.0030.00317.00
8.0.230.0030.00316.99
8.0.220.0020.00516.84
8.0.210.0030.00316.88
8.0.200.0000.00616.95
8.0.190.0040.00416.84
8.0.180.0030.00616.93
8.0.170.0040.00416.89
8.0.160.0000.00716.91
8.0.150.0070.00016.83
8.0.140.0000.00916.78
8.0.130.0030.00313.31
8.0.120.0040.00416.81
8.0.110.0040.00416.75
8.0.100.0000.00716.90
8.0.90.0040.00416.71
8.0.80.0090.00616.89
8.0.70.0030.00516.73
8.0.60.0040.00416.84
8.0.50.0000.00716.90
8.0.30.0140.00517.10
8.0.20.0100.00917.40
8.0.10.0070.00016.82
8.0.00.0100.00716.67
7.4.330.0000.00516.76
7.4.320.0070.00016.35
7.4.300.0030.00316.37
7.4.290.0040.00416.48
7.4.280.0000.00716.36
7.4.270.0040.00416.53
7.4.260.0030.00316.34
7.4.250.0070.00016.43
7.4.240.0070.00016.50
7.4.230.0000.00716.59
7.4.220.0120.00916.30
7.4.210.0000.01416.38
7.4.200.0030.00316.62
7.4.160.0100.00616.41
7.4.150.0070.01117.40
7.4.140.0160.00817.86
7.4.130.0150.00216.39
7.4.120.0140.00316.49
7.4.110.0090.00916.64
7.4.100.0060.00916.48
7.4.90.0030.01316.31
7.4.80.0120.00619.39
7.4.70.0030.01316.35
7.4.60.0120.00316.30
7.4.50.0080.00816.47
7.4.40.0100.00716.43
7.4.30.0100.00616.43
7.4.00.0100.00314.73
7.3.330.0060.00013.10
7.3.320.0000.00513.09
7.3.310.0070.00016.33
7.3.300.0030.00316.28
7.3.290.0030.01116.23
7.3.280.0120.00616.24
7.3.270.0110.00717.40
7.3.260.0160.00316.21
7.3.250.0130.00616.28
7.3.240.0100.01016.36
7.3.230.0100.00716.39
7.3.210.0080.00816.31
7.3.200.0070.01016.57
7.3.190.0000.01616.57
7.3.180.0120.00916.29
7.3.170.0120.00916.47
7.3.160.0110.00416.23
7.3.00.0100.00316.57
7.2.330.0060.01216.43
7.2.320.0130.00616.58
7.2.310.0100.00616.64
7.2.300.0070.01116.56
7.2.290.0040.01816.49
7.2.130.0040.00816.72
7.2.120.0030.01016.83
7.2.110.0090.00316.82
7.2.100.0000.01516.62
7.2.90.0040.01416.57
7.2.80.0070.00316.93
7.2.70.0130.00316.90
7.2.60.0180.00316.81
7.2.50.0040.01116.78
7.2.40.0130.00016.86
7.2.30.0070.00716.57
7.2.20.0000.01216.51
7.2.10.0120.00316.83
7.2.00.0000.01418.03
7.1.250.0030.00715.50
7.1.240.0120.00315.54
7.1.230.0080.00315.72
7.1.220.0040.00415.30
7.1.210.0030.00615.78
7.1.200.0060.00815.64
7.1.190.0000.00915.55
7.1.180.0070.00715.50
7.1.170.0110.00715.57
7.1.160.0040.00415.61
7.1.150.0000.01215.52
7.1.140.0030.00715.71
7.1.130.0060.00915.41
7.1.120.0030.00615.42
7.1.110.0060.00615.47
7.1.100.0040.00715.44
7.1.90.0040.00715.68
7.1.80.0090.00315.68
7.1.70.0050.00516.31
7.1.60.0060.01117.65
7.1.50.0080.00716.18
7.1.40.0000.00915.63
7.1.30.0000.01115.57
7.1.20.0030.00715.50
7.1.10.0060.00615.36
7.1.00.0030.04018.97
7.0.330.0070.00715.24
7.0.320.0000.01415.21
7.0.310.0090.00315.47
7.0.300.0080.00315.52
7.0.290.0030.00815.00
7.0.280.0090.00614.84
7.0.270.0030.00715.46
7.0.260.0030.00815.35
7.0.250.0090.00315.31
7.0.240.0070.00315.34
7.0.230.0000.01215.25
7.0.220.0040.00415.42
7.0.210.0100.00015.22
7.0.200.0070.00715.93
7.0.190.0030.00915.31
7.0.180.0000.01015.27
7.0.170.0070.00715.39
7.0.160.0090.00315.38
7.0.150.0070.00315.16
7.0.140.0050.00315.38
7.0.130.0110.00315.38
7.0.120.0040.00815.45
7.0.110.0100.00015.31
7.0.100.0040.03917.65
7.0.90.0070.03217.63
7.0.80.0100.02817.48
7.0.70.0060.02117.59
7.0.60.0020.02617.63
7.0.50.0090.02217.73
7.0.40.0050.02516.69
7.0.30.0040.04216.75
7.0.20.0070.03816.71
7.0.10.0080.02016.78
7.0.00.0100.03716.71
5.6.380.0030.00713.98
5.6.370.0040.00413.99
5.6.360.0110.00414.05
5.6.350.0040.00814.16
5.6.340.0070.00714.11
5.6.330.0110.00014.23
5.6.320.0000.00814.32
5.6.310.0000.01414.33
5.6.300.0100.00314.26
5.6.290.0060.00613.95
5.6.280.0070.04617.42
5.6.270.0070.00713.88
5.6.260.0100.00314.04
5.6.250.0100.02317.32
5.6.240.0090.03217.31
5.6.230.0070.02417.39
5.6.220.0030.02317.25
5.6.210.0070.01817.34
5.6.200.0050.02817.56
5.6.190.0050.02517.60
5.6.180.0120.04417.58
5.6.170.0050.05017.54
5.6.160.0060.02817.56
5.6.150.0030.02517.63
5.6.140.0020.02417.46
5.6.130.0020.03317.54
5.6.120.0040.03117.55
5.6.110.0050.02317.61
5.6.100.0090.02017.60
5.6.90.0060.02417.49
5.6.80.0050.02517.22
5.6.70.0080.01817.12
5.6.60.0060.02217.30
5.6.50.0030.02217.20
5.6.40.0080.02017.21
5.6.30.0020.03217.36
5.6.20.0050.02417.21
5.6.10.0020.02417.29
5.6.00.0020.02417.18
5.5.380.0020.03615.68
5.5.370.0060.04515.50
5.5.360.0030.02215.75
5.5.350.0050.02315.62
5.5.340.0000.02615.89
5.5.330.0030.02115.85
5.5.320.0040.02615.85
5.5.310.0050.04515.96
5.5.300.0040.02215.75
5.5.290.0120.01515.79
5.5.280.0020.02515.91
5.5.270.0030.02815.70
5.5.260.0050.02215.64
5.5.250.0030.02215.73
5.5.240.0010.02615.47
5.5.230.0000.02415.48
5.5.220.0020.02315.44
5.5.210.0030.02315.53
5.5.200.0030.02315.62
5.5.190.0000.02715.53
5.5.180.0050.02215.63
5.5.170.0030.00510.88
5.5.160.0020.02215.37
5.5.150.0000.02715.32
5.5.140.0030.02415.31
5.5.130.0040.02415.32
5.5.120.0050.02315.61
5.5.110.0020.02815.60
5.5.100.0050.01815.39
5.5.90.0080.01715.50
5.5.80.0090.01515.50
5.5.70.0030.01815.53
5.5.60.0030.02615.33
5.5.50.0030.01815.57
5.5.40.0100.02015.35
5.5.30.0030.02215.45
5.5.20.0050.01815.30
5.5.10.0070.01915.47
5.5.00.0030.02415.47

preferences:
63.85 ms | 401 KiB | 5 Q