3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = null; echo null??$n??123; echo "\u{262F}"; ?>

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)
8.3.60.0110.00418.15
8.3.50.0120.00521.98
8.3.40.0080.00818.84
8.3.30.0070.00718.89
8.3.20.0000.01420.15
8.3.10.0050.00320.66
8.3.00.0050.00221.87
8.2.180.0130.00716.62
8.2.170.0140.00322.96
8.2.160.0100.00322.08
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0070.00020.94
8.2.120.0040.00426.35
8.2.110.0030.00619.37
8.2.100.0120.00017.93
8.2.90.0090.00019.22
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0070.00017.93
8.2.50.0060.00318.09
8.2.40.0040.00422.05
8.2.30.0000.00819.48
8.2.20.0040.00417.80
8.2.10.0040.00417.97
8.2.00.0030.00517.99
8.1.280.0030.01225.92
8.1.270.0070.01122.02
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0060.00322.04
8.1.230.0080.00317.75
8.1.220.0030.00617.74
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0000.00817.00
8.1.180.0000.00818.10
8.1.170.0000.00918.46
8.1.160.0050.00220.71
8.1.150.0070.00018.67
8.1.140.0040.00419.47
8.1.130.0030.00317.71
8.1.120.0000.00717.41
8.1.110.0070.00017.37
8.1.100.0040.00417.35
8.1.90.0040.00417.38
8.1.80.0000.00817.45
8.1.70.0030.00317.34
8.1.60.0020.00517.39
8.1.50.0030.00617.46
8.1.40.0040.00417.54
8.1.30.0090.00017.65
8.1.20.0040.00417.39
8.1.10.0000.00817.50
8.1.00.0070.00017.36
8.0.300.0040.00418.77
8.0.290.0050.00216.88
8.0.280.0070.00018.48
8.0.270.0030.00317.13
8.0.260.0060.00017.13
8.0.250.0030.00317.08
8.0.240.0030.00317.05
8.0.230.0070.00016.91
8.0.220.0000.00716.77
8.0.210.0030.00316.80
8.0.200.0000.00616.88
8.0.190.0040.00416.94
8.0.180.0000.00716.82
8.0.170.0050.00316.79
8.0.160.0070.00016.77
8.0.150.0070.00016.84
8.0.140.0000.00816.84
8.0.130.0000.00513.29
8.0.120.0000.00716.81
8.0.110.0000.00716.77
8.0.100.0030.00516.71
8.0.90.0040.00416.78
8.0.80.0090.00616.89
8.0.70.0040.00416.85
8.0.60.0040.00416.85
8.0.50.0000.00816.75
8.0.30.0130.00716.98
8.0.20.0200.01217.40
8.0.10.0070.00017.00
8.0.00.0070.01116.71
7.4.330.0000.00516.81
7.4.320.0000.00716.49
7.4.300.0030.00316.48
7.4.290.0070.00016.45
7.4.280.0100.00016.47
7.4.270.0030.00316.45
7.4.260.0040.00416.51
7.4.250.0030.00316.50
7.4.240.0070.00016.53
7.4.230.0040.00416.29
7.4.220.0030.01316.59
7.4.210.0030.01016.45
7.4.200.0070.00016.64
7.4.160.0030.01216.54
7.4.150.0100.00717.40
7.4.140.0170.00517.86
7.4.130.0060.01316.57
7.4.120.0110.00516.45
7.4.110.0100.00716.36
7.4.100.0120.00616.27
7.4.90.0000.01916.59
7.4.80.0160.00719.39
7.4.70.0140.00316.45
7.4.60.0100.01016.33
7.4.50.0050.00516.55
7.4.40.0060.01016.10
7.4.30.0130.00316.45
7.4.00.0070.01014.97
7.3.330.0000.00513.01
7.3.320.0000.00513.11
7.3.310.0060.00016.09
7.3.300.0030.00316.21
7.3.290.0090.00916.35
7.3.280.0090.00816.27
7.3.270.0130.00717.40
7.3.260.0130.01016.56
7.3.250.0130.00516.24
7.3.240.0100.00716.22
7.3.230.0120.00616.45
7.3.210.0040.01716.24
7.3.200.0110.00516.25
7.3.190.0140.00316.46
7.3.180.0100.00716.51
7.3.170.0080.00816.29
7.3.160.0110.00716.39
7.3.120.0080.00314.87
7.3.110.0120.00614.70
7.3.100.0000.01514.98
7.3.90.0030.01014.72
7.3.80.0040.00814.74
7.3.70.0000.00814.40
7.3.60.0070.00714.82
7.3.50.0060.00614.83
7.3.40.0000.01314.63
7.3.30.0030.00914.74
7.3.20.0030.01016.39
7.3.10.0060.01216.52
7.3.00.0060.00916.45
7.2.330.0070.01016.39
7.2.320.0090.01316.32
7.2.310.0060.01616.25
7.2.300.0030.01516.29
7.2.290.0000.01816.23
7.2.250.0130.00614.86
7.2.240.0100.00614.89
7.2.230.0000.01114.80
7.2.220.0060.00314.61
7.2.210.0030.01414.89
7.2.200.0000.01014.94
7.2.190.0100.00714.91
7.2.180.0110.00414.89
7.2.170.0080.00614.83
7.2.160.0040.01115.02
7.2.150.0000.01716.51
7.2.140.0000.01116.90
7.2.130.0040.01116.48
7.2.120.0090.00616.88
7.2.110.0110.00416.74
7.2.100.0080.00416.70
7.2.90.0060.00616.83
7.2.80.0090.00316.85
7.2.70.0070.00716.49
7.2.60.0000.01016.75
7.2.50.0030.00616.98
7.2.40.0100.00617.04
7.2.30.0060.00316.85
7.2.20.0000.01516.64
7.2.10.0000.00916.81
7.2.00.0040.01116.88
7.1.330.0070.00715.60
7.1.320.0040.00415.73
7.1.310.0000.01515.41
7.1.300.0090.00615.57
7.1.290.0030.01015.43
7.1.280.0030.01015.69
7.1.270.0080.00815.54
7.1.260.0030.00915.49
7.1.250.0070.00715.71
7.1.240.0030.01215.67
7.1.230.0110.00415.51
7.1.220.0060.00915.47
7.1.210.0120.00015.62
7.1.200.0110.00315.65
7.1.190.0070.00715.64
7.1.180.0060.00915.51
7.1.170.0040.01115.53
7.1.160.0040.00415.64
7.1.150.0000.01015.88
7.1.140.0000.00815.79
7.1.130.0040.00415.68
7.1.120.0040.01115.59
7.1.110.0070.00715.54
7.1.100.0020.01416.89
7.1.90.0030.01015.53
7.1.80.0090.00615.31
7.1.70.0040.00716.27
7.1.60.0070.01317.41
7.1.50.0080.01016.14
7.1.40.0040.00815.57
7.1.30.0030.01315.42
7.1.20.0040.00815.64
7.1.10.0030.00915.57
7.1.00.0080.03718.91
7.0.330.0030.01014.97
7.0.320.0160.00015.16
7.0.310.0030.01015.47
7.0.300.0070.00415.26
7.0.290.0090.00315.02
7.0.280.0060.00315.16
7.0.270.0070.00415.23
7.0.260.0000.01315.18
7.0.250.0060.00615.42
7.0.240.0080.00515.29
7.0.230.0000.01015.10
7.0.220.0060.00915.19
7.0.210.0030.00915.21
7.0.200.0310.00414.91
7.0.190.0090.00315.25
7.0.180.0030.01015.50
7.0.170.0030.01315.23
7.0.160.0100.00315.20
7.0.150.0080.00415.26
7.0.140.0030.00914.98
7.0.130.0040.00815.32
7.0.120.0000.01015.50
7.0.110.0040.00414.99
7.0.100.0030.01215.36
7.0.90.0030.00915.43
7.0.80.0040.01115.25
7.0.70.0060.00615.23
7.0.60.0100.04018.54
7.0.50.0020.02716.61
7.0.40.0080.04616.72
7.0.30.0190.04316.60
7.0.20.0200.03816.84
7.0.10.0050.04816.70
7.0.00.0050.03316.71
5.6.400.0040.00814.33
5.6.390.0070.00414.16
5.6.380.0050.00614.14
5.6.370.0040.00414.14
5.6.360.0090.00914.08
5.6.350.0070.00714.00
5.6.340.0030.00914.16
5.6.330.0030.01014.26
5.6.320.0090.00313.74
5.6.310.0040.01114.30
5.6.300.0060.00314.29
5.6.290.0070.01014.21
5.6.280.0050.02017.64
5.6.270.0000.01214.20
5.6.260.0030.01014.19
5.6.250.0040.00814.02
5.6.240.0070.00714.20
5.6.230.0070.01014.13
5.6.220.0030.01014.11
5.6.210.0030.04217.48
5.6.200.0130.03816.17
5.6.190.0140.03517.25
5.6.180.0170.02717.28
5.6.170.0220.04217.30
5.6.160.0060.04317.30
5.6.150.0050.04616.06
5.6.140.0040.04616.16
5.6.130.0050.04216.02
5.6.120.0120.04017.59
5.6.110.0090.04217.62
5.6.100.0100.04417.61
5.6.90.0030.02517.48
5.6.80.0070.04217.27
5.6.70.0030.00914.09
5.6.60.0040.01214.09
5.6.50.0080.00813.98
5.6.40.0060.00913.76
5.6.30.0080.00314.02
5.6.20.0030.01014.16
5.6.10.0090.00314.21
5.6.00.0040.01113.94
5.5.380.0040.00813.84
5.5.370.0030.01013.91
5.5.360.0030.01013.95
5.5.350.0180.04017.21
5.5.340.0050.02516.05
5.5.330.0070.02217.18
5.5.320.0340.03217.13
5.5.310.0200.03417.23
5.5.300.0030.02516.08
5.5.290.0080.03716.12
5.5.280.0080.02217.38
5.5.270.0050.03717.39
5.5.260.0060.04617.48
5.5.250.0140.04017.21
5.5.240.0060.01917.20
5.5.230.0000.01114.17
5.5.220.0000.01213.97
5.5.210.0000.01713.77
5.5.200.0070.00714.14
5.5.190.0030.00913.81
5.5.180.0080.00614.04
5.5.170.0070.00414.11
5.5.160.0030.01214.03
5.5.150.0090.00614.09
5.5.140.0070.00713.78
5.5.130.0030.01014.13
5.5.120.0140.00014.16
5.5.110.0070.01314.09
5.5.100.0040.01513.99
5.5.90.0050.00513.90
5.5.80.0070.00713.94
5.5.70.0060.00913.94
5.5.60.0000.01513.90
5.5.50.0090.00314.04
5.5.40.0030.01013.96
5.5.30.0110.00314.05
5.5.20.0030.00714.04
5.5.10.0060.00314.27
5.5.00.0030.00814.20

preferences:
51.96 ms | 401 KiB | 5 Q