3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = "test"; $var2 = $var1 ?? "bla"; echo $var2; ?>

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)
8.3.60.0120.00616.50
8.3.50.0270.00321.12
8.3.40.0090.00618.77
8.3.30.0040.01118.50
8.3.20.0040.00420.21
8.3.10.0080.00023.66
8.3.00.0030.00517.68
8.2.180.0110.00418.14
8.2.170.0170.00322.96
8.2.160.0130.00020.52
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0030.00617.47
8.2.110.0060.00319.32
8.2.100.0070.00417.80
8.2.90.0040.00419.14
8.2.80.0030.00517.97
8.2.70.0080.00017.75
8.2.60.0000.00817.80
8.2.50.0080.00018.07
8.2.40.0040.00420.93
8.2.30.0030.00620.49
8.2.20.0000.00717.73
8.2.10.0000.00818.20
8.2.00.0000.00718.09
8.1.280.0180.00425.92
8.1.270.0090.00623.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00320.80
8.1.230.0120.00019.14
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00820.36
8.1.160.0040.00421.85
8.1.150.0040.00418.82
8.1.140.0060.00319.46
8.1.130.0000.00717.62
8.1.120.0040.00417.39
8.1.110.0030.00517.38
8.1.100.0000.00717.39
8.1.90.0000.00817.43
8.1.80.0050.00317.22
8.1.70.0070.00017.27
8.1.60.0050.00217.49
8.1.50.0040.00417.34
8.1.40.0040.00417.43
8.1.30.0040.00417.54
8.1.20.0000.00917.47
8.1.10.0000.00717.39
8.1.00.0070.00017.36
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0060.00318.43
8.0.270.0000.00717.21
8.0.260.0000.00717.14
8.0.250.0050.00216.97
8.0.240.0030.00517.02
8.0.230.0030.00316.75
8.0.220.0000.00716.66
8.0.210.0070.00016.81
8.0.200.0040.00416.80
8.0.190.0060.00316.91
8.0.180.0000.00816.84
8.0.170.0080.00016.82
8.0.160.0040.00416.71
8.0.150.0030.00416.64
8.0.140.0050.00216.83
8.0.130.0030.00313.20
8.0.120.0040.00416.82
8.0.110.0040.00416.71
8.0.100.0040.00416.68
8.0.90.0030.00316.71
8.0.80.0140.00716.76
8.0.70.0000.00816.66
8.0.60.0000.00716.62
8.0.50.0050.00316.85
8.0.30.0060.01117.02
8.0.20.0150.00517.40
8.0.10.0030.00516.76
8.0.00.0060.01416.76
7.4.330.0000.00515.09
7.4.320.0000.00616.57
7.4.300.0070.00016.44
7.4.290.0070.00016.48
7.4.280.0040.00416.44
7.4.270.0000.00716.50
7.4.260.0030.00316.36
7.4.250.0000.00716.38
7.4.240.0040.00416.47
7.4.230.0030.00316.61
7.4.220.0120.00616.51
7.4.210.0120.00316.58
7.4.200.0060.00016.52
7.4.160.0110.00516.51
7.4.150.0070.01117.40
7.4.140.0050.01417.86
7.4.130.0120.01316.45
7.4.120.0100.01016.53
7.4.110.0130.00716.32
7.4.100.0130.00916.34
7.4.90.0070.01016.45
7.4.80.0100.01019.39
7.4.70.0130.00316.51
7.4.60.0090.00616.49
7.4.50.0000.00916.31
7.4.40.0060.00916.56
7.4.30.0040.01716.57
7.4.00.0030.00914.73
7.3.330.0050.00013.07
7.3.320.0020.00213.11
7.3.310.0070.00016.26
7.3.300.0000.00616.18
7.3.290.0030.01016.21
7.3.280.0080.01116.19
7.3.270.0130.00917.40
7.3.260.0150.00616.22
7.3.240.0150.00316.34
7.3.230.0140.00416.39
7.3.210.0090.00616.38
7.3.200.0100.00616.31
7.3.190.0060.01016.35
7.3.180.0100.01016.49
7.3.170.0030.01416.27
7.3.160.0060.01016.20
7.3.10.0120.00016.55
7.3.00.0040.00816.36
7.2.330.0110.00716.56
7.2.320.0060.01216.51
7.2.310.0140.00316.64
7.2.300.0090.00916.59
7.2.290.0130.00616.44
7.2.130.0060.00616.53
7.2.120.0090.00616.77
7.2.110.0060.00316.76
7.2.100.0120.00016.63
7.2.90.0080.00816.83
7.2.80.0060.00616.75
7.2.70.0030.01316.86
7.2.60.0080.00616.64
7.2.50.0030.01316.48
7.2.40.0030.01316.50
7.2.30.0030.01016.67
7.2.20.0000.01016.84
7.2.10.0080.00516.85
7.2.00.0070.00718.00
7.1.250.0060.00315.79
7.1.200.0030.00915.76
7.1.70.0000.00916.80
7.1.60.0000.01217.20
7.1.50.0040.00816.90
7.1.00.0000.07722.43
7.0.200.0040.01116.76
7.0.60.0170.07719.90
7.0.50.0030.06017.89
7.0.40.0130.08720.24
7.0.30.0270.04020.12
7.0.20.0370.07720.01
7.0.10.0170.07020.16
7.0.00.0030.05020.19
5.6.280.0030.03321.13
5.6.210.0200.03720.74
5.6.200.0100.07718.16
5.6.190.0100.07320.64
5.6.180.0270.07320.48
5.6.170.0330.08320.45
5.6.160.0070.07020.54
5.6.150.0100.05318.18
5.6.140.0070.04718.15
5.6.130.0170.07018.16
5.6.120.0070.05321.06
5.6.110.0070.09321.07
5.6.100.0000.04320.88
5.6.90.0000.06020.96
5.6.80.0130.06720.50
5.5.350.0030.07320.44
5.5.340.0000.08717.95
5.5.330.0000.04320.38
5.5.320.4000.03020.28
5.5.310.0330.07320.34
5.5.300.0070.08017.95
5.5.290.0030.06018.02
5.5.280.0100.05720.89
5.5.270.0070.04720.77
5.5.260.0130.07720.86
5.5.250.0200.06020.49
5.5.240.0030.07020.28
5.4.450.0600.06019.36
5.4.440.0600.06019.59
5.4.430.0830.05019.59
5.4.420.0800.05019.38
5.4.410.0700.07319.52
5.4.400.0700.06719.27
5.4.390.0830.06719.17
5.4.380.0970.06719.23
5.4.370.0870.08019.21
5.4.360.0800.05719.24
5.4.350.0830.04319.05
5.4.340.0670.06018.81
5.4.320.0770.05019.09
5.4.310.0700.06719.23
5.4.300.0830.04318.90
5.4.290.1070.05019.31
5.4.280.0670.06018.83
5.4.270.0700.06319.05
5.4.260.0830.06018.89
5.4.250.0800.05319.26
5.4.240.0770.05318.89
5.4.230.0770.06018.98
5.4.220.0770.05319.26
5.4.210.0900.06018.91
5.4.200.0730.05319.23
5.4.190.0830.05018.83
5.4.180.0700.05719.07
5.4.170.0800.04319.20
5.4.160.0930.04718.87
5.4.150.0900.05319.20
5.4.140.0730.05016.46
5.4.130.0670.05316.31
5.4.120.0830.04716.31
5.4.110.0970.04316.58
5.4.100.0830.07016.59
5.4.90.0870.07016.57
5.4.80.0670.05016.45
5.4.70.0270.02716.52
5.4.60.0100.06716.45
5.4.50.0030.06716.36
5.4.40.0270.06316.33
5.4.30.0300.03016.27
5.4.20.0030.07316.52

preferences:
55.64 ms | 401 KiB | 5 Q