3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array['key'] ??= 1;

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)
8.3.60.0120.00916.37
8.3.50.0150.00316.07
8.3.40.0000.01420.20
8.3.30.0090.00618.79
8.3.20.0000.00924.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.180.0110.00425.92
8.2.170.0110.00418.96
8.2.160.0070.00722.96
8.2.150.0090.00025.66
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00720.82
8.2.110.0090.00922.11
8.2.100.0070.00417.91
8.2.90.0040.00417.78
8.2.80.0030.00618.98
8.2.70.0030.00517.50
8.2.60.0050.00317.50
8.2.50.0000.00818.05
8.2.40.0080.00020.07
8.2.30.0040.00418.12
8.2.20.0000.00718.07
8.2.10.0000.00819.15
8.2.00.0050.00219.30
8.1.280.0150.00325.92
8.1.270.0060.00323.99
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0030.00623.83
8.1.230.0070.00320.95
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0090.00017.35
8.1.180.0030.00518.10
8.1.170.0030.00618.57
8.1.160.0000.00718.71
8.1.150.0070.00018.61
8.1.140.0000.00718.68
8.1.130.0030.00319.96
8.1.120.0030.00317.25
8.1.110.0030.00617.25
8.1.100.0030.00517.37
8.1.90.0000.00817.23
8.1.80.0030.00317.32
8.1.70.0000.00717.29
8.1.60.0000.00717.39
8.1.50.0000.00817.34
8.1.40.0040.00417.41
8.1.30.0000.00817.44
8.1.20.0080.00017.49
8.1.10.0040.00417.38
8.1.00.0080.00017.47
8.0.300.0040.00419.79
8.0.290.0090.00016.58
8.0.280.0040.00418.32
8.0.270.0070.00017.88
8.0.260.0000.00820.02
8.0.250.0040.00416.69
8.0.240.0000.00716.82
8.0.230.0000.00716.76
8.0.220.0000.00716.77
8.0.210.0000.00716.75
8.0.200.0020.00516.80
8.0.190.0050.00316.73
8.0.180.0040.00416.71
8.0.170.0030.00816.77
8.0.160.0060.00316.72
8.0.150.0000.00716.65
8.0.140.0000.00716.63
8.0.130.0000.00513.16
8.0.120.0040.00416.71
8.0.110.0000.00816.75
8.0.100.0000.00716.74
8.0.90.0000.00816.77
8.0.80.0090.00716.74
8.0.70.0040.00416.74
8.0.60.0000.00716.63
8.0.50.0020.00516.71
8.0.30.0160.00316.93
8.0.20.0170.00417.15
8.0.10.0000.00716.77
8.0.00.0140.00616.80
7.4.330.0000.00515.55
7.4.320.0000.00616.52
7.4.300.0000.00716.52
7.4.290.0030.00316.43
7.4.280.0070.00716.28
7.4.270.0040.00416.58
7.4.260.0000.00513.21
7.4.250.0030.00516.32
7.4.240.0000.00716.51
7.4.230.0040.00416.44
7.4.220.0020.00516.52
7.4.210.0060.00916.47
7.4.200.0040.00416.50
7.4.130.0100.01016.60
7.4.120.0100.00716.57
7.4.110.0030.01716.41
7.4.100.0160.00016.41
7.4.90.0030.01316.58
7.4.80.0150.00719.39
7.4.70.0120.00616.50
7.4.60.0170.00316.46
7.4.50.0060.00916.12
7.4.40.0100.00616.39
7.4.30.0160.00016.27
7.4.20.0110.01116.30
7.4.10.0100.00716.10
7.4.00.0060.01116.27
7.3.330.0030.00616.07
7.3.320.0000.00713.01
7.3.310.0050.00216.17
7.3.300.0070.00016.21
7.3.290.0040.01116.16
7.3.280.0070.00716.12
7.3.260.0160.00316.09
7.3.240.0090.00916.28
7.3.230.0050.01316.25
7.3.210.0120.00616.15
7.3.200.0060.00916.13
7.3.190.0070.01016.35
7.3.180.0170.00016.11
7.3.170.0060.01016.21
7.3.160.0150.00616.02
7.3.150.0160.00316.35
7.3.140.0090.00616.20
7.3.130.0100.00716.13
7.3.120.0090.00616.28
7.3.110.0080.00816.21
7.3.100.0140.00316.20
7.3.90.0080.00816.20
7.3.80.0070.01016.02
7.3.70.0040.01216.07
7.3.60.0130.00316.11
7.3.50.0080.00816.03
7.3.40.0120.00316.11
7.3.30.0070.00716.21
7.3.20.0090.00616.15
7.3.10.0130.00316.21
7.3.00.0100.00716.25
7.2.330.0090.00916.33
7.2.320.0100.01016.34
7.2.310.0130.00316.13
7.2.300.0060.01016.29
7.2.290.0060.01516.18
7.2.280.0030.01716.18
7.2.270.0040.01116.55
7.2.260.0030.01316.33
7.2.250.0080.00816.41
7.2.240.0070.01116.26
7.2.230.0110.00816.50
7.2.220.0070.01016.16
7.2.210.0140.00316.41
7.2.200.0080.00816.38
7.2.190.0030.01316.24
7.2.180.0130.01016.32
7.2.170.0060.01216.24
7.2.160.0120.00916.04
7.2.150.0120.00316.21
7.2.140.0140.00316.22
7.2.130.0030.01816.27
7.2.120.0130.00316.28
7.2.110.0070.01016.44
7.2.100.0030.01316.19
7.2.90.0060.01416.34
7.2.80.0170.00016.29
7.2.70.0130.00916.21
7.2.60.0180.00316.14
7.2.50.0140.00416.23
7.2.40.0170.00316.08
7.2.30.0130.00416.23
7.2.20.0040.01316.37
7.2.10.0080.00816.19
7.2.00.0140.00316.35

preferences:
62.45 ms | 401 KiB | 5 Q