3v4l.org

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

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)
8.3.60.0100.01016.34
8.3.50.0220.00722.05
8.3.40.0110.00418.54
8.3.30.0140.00318.60
8.3.20.0070.00020.21
8.3.10.0040.00423.61
8.3.00.0040.00419.79
8.2.180.0070.00718.41
8.2.170.0130.00622.96
8.2.160.0100.00320.39
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0070.00019.27
8.2.120.0040.00426.35
8.2.110.0070.00322.09
8.2.100.0070.00417.91
8.2.90.0060.00319.09
8.2.80.0040.00418.04
8.2.70.0080.00017.38
8.2.60.0080.00617.54
8.2.50.0060.00318.07
8.2.40.0000.00922.32
8.2.30.0000.00720.65
8.2.20.0040.00417.48
8.2.10.0060.00618.07
8.2.00.0000.00718.04
8.1.280.0090.00925.92
8.1.270.0100.01020.25
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00323.79
8.1.230.0110.00019.07
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0080.00017.36
8.1.190.0080.00317.10
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0000.00720.67
8.1.150.0050.00218.71
8.1.140.0040.00419.37
8.1.130.0070.00017.68
8.1.120.0040.00417.41
8.1.110.0020.00517.38
8.1.100.0030.00517.35
8.1.90.0000.01017.29
8.1.80.0030.00617.34
8.1.70.0030.00317.20
8.1.60.0050.00317.41
8.1.50.0000.00817.41
8.1.40.0030.00517.32
8.1.30.0040.00417.59
8.1.20.0030.00617.46
8.1.10.0090.00017.47
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0000.00718.36
8.0.270.0030.00317.19
8.0.260.0060.00017.18
8.0.250.0030.00316.82
8.0.240.0030.00316.85
8.0.230.0030.00316.89
8.0.220.0040.00416.71
8.0.210.0030.00316.84
8.0.200.0030.00316.86
8.0.190.0000.01016.90
8.0.180.0040.00416.88
8.0.170.0000.00816.86
8.0.160.0060.00316.71
8.0.150.0040.00416.66
8.0.140.0030.00616.77
8.0.130.0030.00313.25
8.0.120.0000.00816.76
8.0.110.0070.00016.84
8.0.100.0070.00016.68
8.0.90.0050.00216.76
8.0.80.0060.00916.70
8.0.70.0000.00716.88
8.0.60.0030.00516.84
8.0.50.0040.00416.86
8.0.30.0120.00917.15
8.0.20.0160.00517.40
8.0.10.0000.00716.80
8.0.00.0090.01016.68
7.4.330.0050.00016.74
7.4.320.0000.00616.34
7.4.300.0030.00316.54
7.4.290.0070.00016.57
7.4.280.0040.00416.42
7.4.270.0000.00716.45
7.4.260.0030.00316.55
7.4.250.0000.00716.41
7.4.240.0000.00716.39
7.4.230.0040.00416.53
7.4.220.0090.01016.51
7.4.210.0100.01016.39
7.4.200.0000.00716.27
7.4.160.0100.00516.45
7.4.150.0060.01117.40
7.4.140.0080.01117.86
7.4.130.0110.00816.46
7.4.120.0160.00316.41
7.4.110.0100.00616.30
7.4.100.0150.00916.38
7.4.90.0140.00316.47
7.4.80.0120.00619.39
7.4.70.0050.01116.54
7.4.60.0110.00516.34
7.4.50.0060.00916.31
7.4.40.0030.01316.48
7.4.30.0130.00316.46
7.4.00.0050.01014.82
7.3.330.0050.00012.98
7.3.320.0020.00213.10
7.3.310.0040.00416.19
7.3.300.0030.00316.02
7.3.290.0110.00716.18
7.3.280.0140.00516.26
7.3.270.0130.00317.40
7.3.260.0120.00616.14
7.3.250.0100.01216.29
7.3.240.0070.01216.16
7.3.230.0060.01116.40
7.3.210.0030.01316.28
7.3.200.0150.00316.04
7.3.190.0060.01016.23
7.3.180.0060.01316.13
7.3.170.0070.01016.27
7.3.160.0110.00516.36
7.3.120.0070.01014.68
7.3.110.0100.00714.84
7.3.100.0110.00414.34
7.3.90.0090.00914.57
7.3.80.0030.01414.55
7.3.70.0100.00014.53
7.3.60.0140.00314.69
7.3.50.0110.00414.66
7.3.40.0030.01014.52
7.3.30.0060.00914.63
7.3.20.0070.00716.47
7.3.10.0130.00316.35
7.3.00.0090.00616.72
7.2.330.0110.00716.54
7.2.320.0120.00616.15
7.2.310.0030.02216.52
7.2.300.0060.01116.29
7.2.290.0130.00316.16
7.2.250.0030.01314.92
7.2.240.0150.00314.75
7.2.230.0070.01014.81
7.2.220.0000.01114.99
7.2.210.0060.00614.87
7.2.200.0070.00314.71
7.2.190.0100.00614.89
7.2.180.0000.01314.70
7.2.170.0030.01014.63
7.2.60.0060.00616.52
7.2.00.0050.00318.95
7.1.330.0000.01715.77
7.1.320.0070.00715.50
7.1.310.0030.00915.42
7.1.300.0070.00715.52
7.1.290.0000.00915.58
7.1.280.0000.00815.78
7.1.270.0040.01115.39
7.1.260.0040.01115.71
7.1.200.0040.00415.76
7.1.100.0050.00317.87
7.1.70.0000.01317.30
7.1.60.0120.01219.52
7.1.50.0130.01334.77
7.1.00.0030.07722.43
7.0.200.0070.00316.67
7.0.60.0070.05019.91
7.0.50.0100.04717.84
7.0.40.0070.08319.98
7.0.30.0270.07720.04
7.0.20.0370.07020.17
7.0.10.0070.07020.13
7.0.00.0070.04020.10
5.6.280.0000.03321.04
5.6.210.0000.09020.71
5.6.200.0030.04318.16
5.6.190.0070.08020.50
5.6.180.0370.07720.68
5.6.170.0230.08320.55
5.6.160.0130.05020.55
5.6.150.0030.07318.19
5.6.140.0030.08318.18
5.6.130.0030.04318.23
5.6.120.0000.05021.14
5.6.110.0070.09320.85
5.6.100.0200.05021.11
5.6.90.0100.08020.96
5.6.80.0100.07720.50
5.5.350.0130.08020.34
5.5.340.0030.03717.92
5.5.330.0030.05020.13
5.5.320.0630.06720.36
5.5.310.0270.06020.34
5.5.300.0000.04317.98
5.5.290.0100.07317.95
5.5.280.0070.04720.67
5.5.270.0030.05720.84
5.5.260.0030.08720.67
5.5.250.0100.03320.69
5.5.240.0230.07720.04

preferences:
45.09 ms | 401 KiB | 5 Q