3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nonexistent = false; $value = $nonexistent ?? 'default'; var_dump($value);

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)
8.3.60.0090.00616.50
8.3.50.0120.00720.98
8.3.40.0090.00918.67
8.3.30.0000.01418.61
8.3.20.0140.00020.15
8.3.10.0040.00421.78
8.3.00.0060.00319.69
8.2.180.0110.01116.50
8.2.170.0170.00322.96
8.2.160.0000.01320.52
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00417.50
8.2.110.0090.00020.29
8.2.100.0080.00317.50
8.2.90.0000.00719.05
8.2.80.0050.00317.97
8.2.70.0080.00017.50
8.2.60.0090.00017.80
8.2.50.0050.00318.07
8.2.40.0080.00021.09
8.2.30.0000.00719.66
8.2.20.0000.00717.51
8.2.10.0000.00717.95
8.2.00.0040.00418.11
8.1.280.0140.00325.92
8.1.270.0110.00720.33
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0090.00023.84
8.1.230.0080.00417.42
8.1.220.0000.00717.77
8.1.210.0090.00018.77
8.1.200.0060.00317.22
8.1.190.0040.00417.23
8.1.180.0070.00018.10
8.1.170.0000.00818.52
8.1.160.0050.00221.82
8.1.150.0000.00718.86
8.1.140.0030.00517.38
8.1.130.0030.00317.66
8.1.120.0040.00317.34
8.1.110.0000.00717.44
8.1.100.0040.00317.33
8.1.90.0000.00717.42
8.1.80.0070.00017.38
8.1.70.0000.00817.41
8.1.60.0030.00617.46
8.1.50.0060.00317.44
8.1.40.0040.00417.43
8.1.30.0030.00517.62
8.1.20.0060.00317.62
8.1.10.0020.00517.49
8.1.00.0000.00717.42
8.0.300.0060.00318.77
8.0.290.0040.00416.58
8.0.280.0070.00018.30
8.0.270.0000.00717.18
8.0.260.0000.00617.23
8.0.250.0040.00416.87
8.0.240.0040.00416.91
8.0.230.0000.00716.91
8.0.220.0000.00716.80
8.0.210.0030.00316.71
8.0.200.0000.00716.89
8.0.190.0000.00816.86
8.0.180.0050.00316.89
8.0.170.0050.00216.90
8.0.160.0040.00416.88
8.0.150.0030.00316.74
8.0.140.0000.00716.77
8.0.130.0000.00513.17
8.0.120.0000.00816.75
8.0.110.0070.00016.73
8.0.100.0070.00016.63
8.0.90.0070.00016.71
8.0.80.0090.01316.81
8.0.70.0070.00016.61
8.0.60.0030.00516.75
8.0.50.0050.00216.84
8.0.30.0070.01016.95
8.0.20.0050.01517.40
8.0.10.0000.00716.80
8.0.00.0130.00416.74
7.4.330.0000.00515.08
7.4.320.0000.00616.35
7.4.300.0000.00716.41
7.4.290.0000.00716.33
7.4.280.0000.00816.45
7.4.270.0000.00716.31
7.4.260.0030.00316.44
7.4.250.0070.00016.28
7.4.240.0050.00216.47
7.4.230.0000.00716.61
7.4.220.0070.01916.27
7.4.210.0150.00616.32
7.4.200.0050.00216.55
7.4.160.0130.00916.21
7.4.150.0150.00317.40
7.4.140.0120.00417.86
7.4.130.0100.01316.37
7.4.120.0040.01416.34
7.4.110.0100.00716.30
7.4.100.0030.01416.55
7.4.90.0150.00316.31
7.4.80.0100.00719.39
7.4.70.0100.00916.64
7.4.60.0090.00616.35
7.4.50.0050.00316.30
7.4.40.0130.00316.35
7.4.30.0060.01016.48
7.4.00.0120.00214.81
7.3.330.0060.00012.99
7.3.320.0020.00213.10
7.3.310.0030.00316.25
7.3.300.0000.00716.08
7.3.290.0090.00916.20
7.3.280.0130.00616.15
7.3.270.0060.01117.40
7.3.260.0100.00716.29
7.3.250.0120.00916.40
7.3.240.0100.01316.18
7.3.230.0070.01616.39
7.3.210.0090.00916.32
7.3.200.0070.01016.10
7.3.190.0090.00916.15
7.3.180.0090.00616.23
7.3.170.0070.01416.34
7.3.160.0160.00016.18
7.3.120.0060.01214.67
7.3.110.0130.00314.77
7.3.100.0080.00514.64
7.3.90.0040.00414.70
7.3.80.0130.00314.84
7.3.70.0070.00314.70
7.3.60.0030.01414.86
7.3.50.0030.00714.54
7.3.40.0040.00714.39
7.3.30.0060.00314.54
7.3.20.0100.00616.47
7.3.10.0040.00816.28
7.3.00.0070.00716.35
7.2.330.0100.00716.55
7.2.320.0210.00016.54
7.2.310.0100.01316.54
7.2.300.0060.01616.14
7.2.290.0100.00716.58
7.2.250.0100.00714.70
7.2.240.0070.01315.05
7.2.230.0060.00315.01
7.2.220.0070.01014.82
7.2.210.0030.01014.77
7.2.200.0070.00714.71
7.2.190.0030.00814.89
7.2.180.0000.00914.86
7.2.170.0060.00615.01
7.2.60.0000.01216.44
7.2.00.0070.01019.43
7.1.330.0060.00915.59
7.1.320.0060.00815.59
7.1.310.0040.00415.59
7.1.300.0000.00815.74
7.1.290.0090.00315.76
7.1.280.0100.00315.39
7.1.270.0030.00715.37
7.1.260.0070.00715.56
7.1.200.0040.00715.53
7.1.100.0090.00318.13
7.1.70.0000.00716.84
7.1.60.0100.01320.03
7.1.50.0070.01117.00
7.1.00.0030.07722.48
7.0.200.0210.00714.39
7.0.60.0000.04719.93
7.0.50.0100.07717.83
7.0.40.0070.04020.07
7.0.30.0330.04719.96
7.0.20.0270.08019.99
7.0.10.0070.08320.13
7.0.00.0130.07320.20
5.6.280.0070.06720.91
5.6.210.0070.08020.51
5.6.200.0070.04018.16
5.6.190.0030.04320.67
5.6.180.0470.05020.34
5.6.170.0300.07720.48
5.6.160.0100.08720.46
5.6.150.0100.07718.14
5.6.140.0000.07018.14
5.6.130.0100.04018.28
5.6.120.0070.08721.00
5.6.110.0000.04721.11
5.6.100.0130.04020.97
5.6.90.0000.05321.01
5.6.80.0100.08020.37
5.5.350.0070.08020.40
5.5.340.0170.07317.99
5.5.330.0100.07020.35
5.5.320.3870.03720.35
5.5.310.0400.03320.37
5.5.300.0070.05018.08
5.5.290.0100.07717.95
5.5.280.0030.07020.73
5.5.270.0130.08020.94
5.5.260.0030.04320.67
5.5.250.0130.07720.69
5.5.240.0100.07320.24
5.4.450.0130.05319.61
5.4.440.0170.05319.60
5.4.430.0230.05719.21
5.4.420.0200.05019.47
5.4.410.0300.06319.21
5.4.400.0200.05019.28
5.4.390.0130.05718.84
5.4.380.0100.05319.27
5.4.370.0200.04719.15
5.4.360.0230.06019.13
5.4.350.0300.07718.84
5.4.340.0200.07019.28
5.4.320.0300.06319.28
5.4.310.0270.05719.15
5.4.300.0100.07019.28
5.4.290.0200.04319.16
5.4.280.0130.05718.87
5.4.270.0430.05019.10
5.4.260.0230.05318.87
5.4.250.0170.06019.12
5.4.240.0270.05318.97
5.4.230.0170.07719.05
5.4.220.0400.06319.12
5.4.210.0300.05319.14
5.4.200.0100.05719.10
5.4.190.0100.05718.97
5.4.180.0170.05319.26
5.4.170.0300.05719.15
5.4.160.0470.04719.29
5.4.150.0200.05719.23
5.4.140.0100.05716.44
5.4.130.0070.05716.33
5.4.120.0230.05716.57
5.4.110.0370.05016.58
5.4.100.0130.07316.49
5.4.90.0070.05716.52
5.4.80.0200.05016.63
5.4.70.0300.03316.57
5.4.60.0070.04316.35
5.4.50.0070.05316.35
5.4.40.0300.06016.59
5.4.30.0270.03316.44
5.4.20.0300.03316.16

preferences:
50.26 ms | 401 KiB | 5 Q