3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!isset($array['key'])) { $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)
8.3.60.0140.00716.50
8.3.50.0070.00716.34
8.3.40.0070.00720.34
8.3.30.0070.00718.68
8.3.20.0090.00024.18
8.3.10.0050.00224.66
8.3.00.0070.00026.16
8.2.180.0080.00825.92
8.2.170.0150.00318.88
8.2.160.0150.00022.96
8.2.150.0100.00025.66
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0090.00626.35
8.2.110.0100.00021.03
8.2.100.0080.00417.91
8.2.90.0030.00517.75
8.2.80.0060.00318.78
8.2.70.0030.00517.93
8.2.60.0000.00917.75
8.2.50.0040.00717.63
8.2.40.0030.00521.20
8.2.30.0040.00418.10
8.2.20.0000.00718.11
8.2.10.0070.00019.36
8.2.00.0000.00719.33
8.1.280.0070.01125.92
8.1.270.0050.00323.76
8.1.260.0070.00028.09
8.1.250.0080.00028.09
8.1.240.0060.00319.32
8.1.230.0040.00719.01
8.1.220.0000.00717.79
8.1.210.0080.00018.77
8.1.200.0050.00317.35
8.1.190.0000.00917.13
8.1.180.0030.00518.10
8.1.170.0000.00719.03
8.1.160.0000.00918.83
8.1.150.0040.00418.80
8.1.140.0040.00418.95
8.1.130.0000.00717.45
8.1.120.0040.00317.43
8.1.110.0030.00517.48
8.1.100.0030.00517.28
8.1.90.0040.00417.34
8.1.80.0040.00417.41
8.1.70.0000.00717.30
8.1.60.0080.00017.52
8.1.50.0000.00817.41
8.1.40.0000.00717.34
8.1.30.0040.00417.41
8.1.20.0070.00017.53
8.1.10.0030.00617.38
8.1.00.0050.00217.40
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0070.00018.41
8.0.270.0070.00018.00
8.0.260.0070.00016.66
8.0.250.0040.00416.85
8.0.240.0000.00816.93
8.0.230.0030.00316.92
8.0.220.0000.00716.84
8.0.210.0040.00416.81
8.0.200.0070.00016.86
8.0.190.0000.00816.90
8.0.180.0030.00316.85
8.0.170.0060.00616.86
8.0.160.0020.00516.70
8.0.150.0050.00516.77
8.0.140.0040.00416.67
8.0.130.0030.00313.26
8.0.120.0040.00416.73
8.0.110.0030.00316.68
8.0.100.0070.00016.69
8.0.90.0060.00316.65
8.0.80.0090.00816.73
8.0.70.0040.00416.84
8.0.60.0020.00516.87
8.0.50.0000.00716.88
8.0.30.0100.00717.21
8.0.20.0150.00316.95
8.0.10.0000.00716.79
8.0.00.0060.01816.84
7.4.330.0040.00015.55
7.4.320.0060.00016.59
7.4.300.0000.00716.60
7.4.290.0040.00316.48
7.4.280.0000.01116.49
7.4.270.0000.00716.58
7.4.260.0030.00313.29
7.4.250.0070.00016.39
7.4.240.0050.00216.48
7.4.230.0000.00916.49
7.4.220.0020.00616.47
7.4.210.0080.00816.47
7.4.200.0070.00016.54
7.4.130.0100.00816.61
7.4.120.0140.00316.34
7.4.110.0090.00916.79
7.4.100.0060.01116.38
7.4.90.0070.01016.49
7.4.80.0030.01519.39
7.4.70.0130.01016.36
7.4.60.0040.01416.57
7.4.50.0060.01016.25
7.4.40.0110.01116.32
7.4.30.0070.01116.50
7.4.20.0070.01516.66
7.4.10.0090.00816.25
7.4.00.0120.00616.45
7.3.330.0070.00016.39
7.3.320.0030.00213.09
7.3.310.0030.00316.21
7.3.300.0000.00716.14
7.3.290.0070.00916.27
7.3.280.0060.01216.20
7.3.260.0100.00716.50
7.3.240.0080.01116.33
7.3.230.0030.01316.22
7.3.210.0060.01116.28
7.3.200.0110.00616.52
7.3.190.0100.00616.57
7.3.180.0090.00616.45
7.3.170.0000.01916.37
7.3.160.0140.00716.44
7.3.150.0100.00716.18
7.3.140.0130.00916.28
7.3.130.0090.00916.41
7.3.120.0170.00316.41
7.3.110.0170.00316.02
7.3.100.0100.00616.09
7.3.90.0060.00916.15
7.3.80.0000.01816.21
7.3.70.0000.01616.23
7.3.60.0070.01316.32
7.3.50.0060.01516.26
7.3.40.0100.00716.25
7.3.30.0090.00616.25
7.3.20.0130.00416.43
7.3.10.0120.00616.27
7.3.00.0090.01216.21
7.2.330.0070.01016.46
7.2.320.0070.01316.51
7.2.310.0030.01316.40
7.2.300.0080.01216.62
7.2.290.0060.01316.53
7.2.280.0060.01216.47
7.2.270.0060.01516.49
7.2.260.0060.01416.53
7.2.250.0110.01116.59
7.2.240.0070.01416.57
7.2.230.0100.01016.59
7.2.220.0030.01316.51
7.2.210.0070.01016.59
7.2.200.0140.00316.30
7.2.190.0000.02116.23
7.2.180.0120.00616.45
7.2.170.0030.01316.41
7.2.160.0100.00616.28
7.2.150.0090.00916.39
7.2.140.0170.00016.48
7.2.130.0140.00816.61
7.2.120.0130.00916.27
7.2.110.0090.00916.42
7.2.100.0090.00616.43
7.2.90.0030.01316.61
7.2.80.0110.00516.38
7.2.70.0130.00616.30
7.2.60.0160.00716.45
7.2.50.0060.01216.38
7.2.40.0070.01016.20
7.2.30.0110.00716.43
7.2.20.0110.00716.61
7.2.10.0120.00616.56
7.2.00.0170.00016.43

preferences:
58.07 ms | 401 KiB | 5 Q