3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = null; var_dump($foo ?? 'bar', $foo ?: 'bar');

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)
8.3.60.0030.01716.46
8.3.50.0070.01417.89
8.3.40.0120.00318.71
8.3.30.0070.00718.60
8.3.20.0080.00020.16
8.3.10.0080.00023.48
8.3.00.0080.00019.01
8.2.180.0160.00618.02
8.2.170.0040.01122.96
8.2.160.0100.00320.31
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00620.38
8.2.120.0040.00426.35
8.2.110.0030.00620.31
8.2.100.0090.00317.91
8.2.90.0030.00617.63
8.2.80.0000.00917.97
8.2.70.0030.00617.90
8.2.60.0040.00417.93
8.2.50.0050.00318.10
8.2.40.0000.00720.47
8.2.30.0030.00320.61
8.2.20.0060.00317.67
8.2.10.0040.00417.99
8.2.00.0030.00618.02
8.1.280.0040.01125.92
8.1.270.0040.01424.02
8.1.260.0050.00328.09
8.1.250.0070.00028.09
8.1.240.0090.00020.65
8.1.230.0110.00019.00
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0060.00318.50
8.1.160.0040.00421.96
8.1.150.0050.00218.84
8.1.140.0000.00819.53
8.1.130.0000.00717.72
8.1.120.0070.00017.48
8.1.110.0000.00717.45
8.1.100.0000.00817.34
8.1.90.0030.00417.34
8.1.80.0000.00717.32
8.1.70.0040.00417.44
8.1.60.0100.00017.60
8.1.50.0080.00017.55
8.1.40.0000.00817.46
8.1.30.0060.00317.63
8.1.20.0080.00017.48
8.1.10.0040.00417.46
8.1.00.0040.00417.43
8.0.300.0000.00719.70
8.0.290.0000.00816.75
8.0.280.0030.00318.50
8.0.270.0000.00717.25
8.0.260.0030.00317.28
8.0.250.0000.00716.82
8.0.240.0070.00016.90
8.0.230.0030.00316.90
8.0.220.0000.00716.91
8.0.210.0000.00716.91
8.0.200.0030.00516.93
8.0.190.0070.00016.80
8.0.180.0030.00616.80
8.0.170.0030.00516.88
8.0.160.0070.00016.84
8.0.150.0000.00916.79
8.0.140.0040.00416.79
8.0.130.0050.00013.39
8.0.120.0000.00816.86
8.0.110.0040.00416.76
8.0.100.0040.00416.82
8.0.90.0030.00416.91
8.0.80.0160.00916.83
8.0.70.0040.00416.75
8.0.60.0000.00716.84
8.0.50.0040.00416.79
8.0.30.0100.00817.18
8.0.20.0110.00817.40
8.0.10.0040.00416.85
8.0.00.0120.00516.67
7.4.330.0050.00016.84
7.4.320.0050.00316.40
7.4.300.0030.00316.49
7.4.290.0070.00016.63
7.4.280.0030.00516.59
7.4.270.0000.00616.42
7.4.260.0030.00316.45
7.4.250.0040.00416.44
7.4.240.0050.00216.47
7.4.230.0030.00316.66
7.4.220.0120.00616.53
7.4.210.0090.00916.61
7.4.200.0070.00016.34
7.4.160.0100.00716.45
7.4.150.0140.00317.40
7.4.140.0170.00817.86
7.4.130.0140.00316.46
7.4.120.0150.00216.58
7.4.110.0090.00916.21
7.4.100.0140.00516.65
7.4.90.0150.00316.52
7.4.80.0120.00619.39
7.4.70.0090.00616.55
7.4.60.0090.00616.45
7.4.50.0000.01616.52
7.4.40.0030.01316.54
7.4.30.0140.00916.39
7.4.00.0120.00515.00
7.3.330.0000.00513.11
7.3.320.0000.00513.14
7.3.310.0070.00016.31
7.3.300.0000.00616.23
7.3.290.0060.01216.23
7.3.280.0040.01216.24
7.3.270.0200.00417.40
7.3.260.0120.00416.57
7.3.250.0080.00916.42
7.3.240.0050.01216.32
7.3.230.0070.01716.39
7.3.210.0070.01116.48
7.3.200.0080.00816.20
7.3.190.0100.00616.25
7.3.180.0160.00616.24
7.3.170.0040.01516.39
7.3.160.0030.01316.35
7.3.120.0040.01114.74
7.3.110.0130.00614.72
7.3.100.0000.01714.46
7.3.90.0090.00615.02
7.3.80.0000.01514.93
7.3.70.0060.00314.79
7.3.60.0060.00614.89
7.3.50.0080.00814.79
7.3.40.0030.01414.79
7.3.30.0070.00714.60
7.3.20.0000.01716.68
7.3.10.0060.00616.35
7.3.00.0040.00816.65
7.2.330.0060.01216.66
7.2.320.0070.01116.47
7.2.310.0130.00316.25
7.2.300.0130.00516.31
7.2.290.0070.01016.52
7.2.250.0100.00714.88
7.2.240.0100.01015.11
7.2.230.0030.01314.52
7.2.220.0080.00814.85
7.2.210.0090.00615.05
7.2.200.0070.01014.86
7.2.190.0000.01414.96
7.2.180.0110.00414.94
7.2.170.0030.00914.86
7.2.160.0030.01214.67
7.2.150.0080.00816.79
7.2.140.0100.01016.91
7.2.130.0030.00816.77
7.2.120.0100.00016.71
7.2.110.0070.00716.82
7.2.100.0050.00816.66
7.2.90.0020.01116.71
7.2.80.0110.00216.84
7.2.70.0090.00716.80
7.2.60.0030.01016.82
7.2.50.0050.00816.88
7.2.40.0070.00916.80
7.2.30.0070.00816.79
7.2.20.0060.00916.80
7.2.10.0070.00916.91
7.2.00.0080.00617.61
7.1.330.0090.00615.72
7.1.320.0140.00315.86
7.1.310.0070.01115.69
7.1.300.0000.01315.63
7.1.290.0030.01015.63
7.1.280.0000.01215.64
7.1.270.0000.01215.84
7.1.260.0060.00615.75
7.1.250.0080.00715.63
7.1.240.0100.00315.77
7.1.230.0100.00315.72
7.1.220.0060.00615.41
7.1.210.0100.00715.86
7.1.200.0060.00715.61
7.1.190.0030.01415.59
7.1.180.0030.01015.67
7.1.170.0060.00815.63
7.1.160.0040.01115.75
7.1.150.0070.01015.68
7.1.140.0100.00715.64
7.1.130.0030.00715.37
7.1.120.0030.00915.80
7.1.110.0100.00315.88
7.1.100.0040.00716.86
7.1.90.0000.01115.76
7.1.80.0040.01215.49
7.1.70.0040.01416.24
7.1.60.0050.01317.52
7.1.50.0050.00416.36
7.1.40.0070.00715.73
7.1.30.0070.01015.53
7.1.20.0100.00315.62
7.1.10.0060.00615.58
7.1.00.0050.04219.06
7.0.330.0000.01315.34
7.0.320.0040.00715.07
7.0.310.0100.00715.26
7.0.300.0090.00615.32
7.0.290.0030.00615.13
7.0.280.0040.01115.40
7.0.270.0040.00715.04
7.0.260.0120.00315.30
7.0.250.0040.00715.21
7.0.240.0070.00715.41
7.0.230.0030.01015.13
7.0.220.0000.01215.30
7.0.210.0030.00615.58
7.0.200.0110.00815.07
7.0.190.0070.00715.26
7.0.180.0120.00315.32
7.0.170.0030.00715.51
7.0.160.0000.01415.36
7.0.150.0060.00615.16
7.0.140.0030.01015.44
7.0.130.0110.00415.23
7.0.120.0030.01315.58
7.0.110.0060.00915.42
7.0.100.0060.00615.32
7.0.90.0070.00315.48
7.0.80.0080.00815.22
7.0.70.0030.01015.30
7.0.60.0100.04017.69
7.0.50.0030.03016.42
7.0.40.0120.04316.73
7.0.30.0170.02716.69
7.0.20.0260.02116.79
7.0.10.0050.04916.83
7.0.00.0020.03016.81
5.6.400.0140.00014.30
5.6.390.0040.01114.11
5.6.380.0000.00913.95
5.6.370.0000.01714.12
5.6.360.0090.00613.91
5.6.350.0120.00314.24
5.6.340.0060.00913.88
5.6.330.0030.00714.39
5.6.320.0000.00914.10
5.6.310.0030.01014.00
5.6.300.0040.00814.40
5.6.290.0040.01114.24
5.6.280.0050.03817.52
5.6.270.0100.00614.05
5.6.260.0030.01014.23
5.6.250.0060.00914.31
5.6.240.0000.01414.20
5.6.230.0000.01714.19
5.6.220.0030.01014.08
5.6.210.0070.02917.43
5.6.200.0050.04716.32
5.6.190.0090.03017.42
5.6.180.0200.02617.21
5.6.170.0070.02717.29
5.6.160.0110.03817.32
5.6.150.0050.04716.11
5.6.140.0060.02316.15
5.6.130.0020.03316.24
5.6.120.0050.02317.61
5.6.110.0030.04617.64
5.6.100.0110.04617.60
5.6.90.0090.03717.46
5.6.80.0020.02417.19
5.6.70.0030.01014.05
5.6.60.0030.01013.84
5.6.50.0030.01314.00
5.6.40.0040.00813.91
5.6.30.0070.01114.10
5.6.20.0040.01213.95
5.6.10.0030.01013.95
5.6.00.0100.00313.93
5.5.380.0030.01013.98
5.5.370.0040.00713.91
5.5.360.0090.00614.05
5.5.350.0170.03717.19
5.5.340.0000.02915.90
5.5.330.0070.03217.07
5.5.320.0040.04917.04
5.5.310.0140.03117.16
5.5.300.0050.04415.96
5.5.290.0030.04616.08
5.5.280.0080.04517.28
5.5.270.0080.03517.29
5.5.260.0100.03617.54
5.5.250.0070.02917.46
5.5.240.0080.04617.05
5.5.230.0030.01013.84
5.5.220.0060.00913.90
5.5.210.0090.00313.93
5.5.200.0000.01514.01
5.5.190.0040.01113.61
5.5.180.0120.00413.91
5.5.170.0030.01113.92
5.5.160.0080.00413.75
5.5.150.0090.00613.90
5.5.140.0090.00914.31
5.5.130.0100.00714.09
5.5.120.0060.00613.86
5.5.110.0060.00914.10
5.5.100.0060.01213.94
5.5.90.0030.00614.18
5.5.80.0080.00513.89
5.5.70.0000.01313.56
5.5.60.0000.01414.16
5.5.50.0130.00014.05
5.5.40.0030.00614.00
5.5.30.0030.01014.05
5.5.20.0000.01314.10
5.5.10.0120.00613.95
5.5.00.0100.00014.15

preferences:
49.84 ms | 400 KiB | 5 Q