3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = null; var_dump($arr[0] ?? "");

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)
8.3.60.0080.00618.31
8.3.50.0060.00918.16
8.3.40.0080.00818.45
8.3.30.0040.01118.53
8.3.20.0060.00323.70
8.3.10.0040.00421.72
8.3.00.0080.00022.58
8.2.180.0060.01216.50
8.2.170.0090.00622.96
8.2.160.0040.01120.44
8.2.150.0050.00224.18
8.2.140.0060.00324.66
8.2.130.0060.00326.16
8.2.120.0060.00318.50
8.2.110.0090.00022.31
8.2.100.0000.01217.91
8.2.90.0050.00318.22
8.2.80.0050.00718.04
8.2.70.0040.00418.04
8.2.60.0000.00918.22
8.2.50.0060.00318.10
8.2.40.0060.00319.34
8.2.30.0040.00419.29
8.2.20.0000.00718.25
8.2.10.0040.00419.19
8.2.00.0070.00019.09
8.1.280.0100.00725.92
8.1.270.0040.00420.33
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0080.00823.75
8.1.230.0060.00621.10
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0060.00317.13
8.1.190.0060.00317.23
8.1.180.0040.00418.10
8.1.170.0050.00320.65
8.1.160.0000.00719.09
8.1.150.0040.00418.83
8.1.140.0030.00718.96
8.1.130.0100.00019.93
8.1.120.0000.00717.45
8.1.110.0070.00017.45
8.1.100.0000.00817.35
8.1.90.0000.00717.33
8.1.80.0000.00717.43
8.1.70.0030.00317.45
8.1.60.0000.00917.55
8.1.50.0030.00517.42
8.1.40.0000.00917.57
8.1.30.0040.00417.54
8.1.20.0000.00917.68
8.1.10.0040.00417.53
8.1.00.0040.00717.30
8.0.300.0000.00719.88
8.0.290.0000.00816.63
8.0.280.0030.00318.30
8.0.270.0070.00017.26
8.0.260.0000.00620.00
8.0.250.0000.00716.90
8.0.240.0000.00716.88
8.0.230.0060.00016.87
8.0.220.0030.00316.69
8.0.210.0000.00816.89
8.0.200.0000.00716.76
8.0.190.0000.00716.79
8.0.180.0040.00416.87
8.0.170.0030.00516.83
8.0.160.0030.00516.93
8.0.150.0070.00016.73
8.0.140.0040.00416.73
8.0.130.0000.00513.19
8.0.120.0000.00716.82
8.0.110.0030.00316.78
8.0.100.0000.00716.80
8.0.90.0030.00616.78
8.0.80.0050.00916.83
8.0.70.0040.00416.74
8.0.60.0000.00716.73
8.0.50.0050.00316.89
8.0.30.0120.00617.00
8.0.20.0090.01616.92
8.0.10.0050.00216.92
8.0.00.0100.00716.95
7.4.330.0020.00215.55
7.4.320.0030.00316.47
7.4.300.0000.00616.39
7.4.290.0000.00716.54
7.4.280.0050.00416.53
7.4.270.0030.00316.49
7.4.260.0030.00313.16
7.4.250.0080.00016.49
7.4.240.0020.00516.42
7.4.230.0000.00716.62
7.4.220.0050.00216.52
7.4.210.0120.00616.48
7.4.200.0030.00516.61
7.4.130.0100.01016.60
7.4.120.0140.01416.47
7.4.110.0070.01316.66
7.4.100.0060.01616.50
7.4.90.0140.00316.48
7.4.80.0100.01319.39
7.4.70.0100.00616.37
7.4.60.0130.00316.29
7.4.50.0030.01016.48
7.4.40.0040.01216.46
7.4.00.0000.01414.61
7.3.330.0070.00016.26
7.3.320.0000.00512.96
7.3.310.0070.00016.02
7.3.300.0030.00316.06
7.3.290.0030.01016.17
7.3.280.0090.01016.22
7.3.260.0100.00916.36
7.3.230.0090.01316.22
7.3.210.0160.00316.33
7.3.200.0100.00716.34
7.3.190.0180.00716.39
7.3.180.0080.00816.52
7.3.170.0030.01316.18
7.3.160.0120.00316.26
7.3.110.0090.00614.65
7.3.100.0060.00914.38
7.3.90.0070.00714.87
7.3.80.0040.01114.53
7.3.70.0090.00614.77
7.3.60.0040.01114.49
7.3.50.0120.00814.45
7.3.40.0110.00714.30
7.3.30.0060.01314.55
7.3.20.0080.00914.52
7.3.10.0040.01214.64
7.3.00.0060.01214.67
7.2.330.0120.00616.45
7.2.320.0100.00616.49
7.2.310.0120.00616.55
7.2.300.0130.00316.49
7.2.290.0100.01016.62
7.2.240.0080.00814.86
7.2.230.0050.00914.52
7.2.220.0130.00314.67
7.2.210.0090.00614.86
7.2.200.0040.01314.81
7.2.190.0080.00814.82
7.2.180.0150.00614.51
7.2.170.0030.01714.75
7.2.160.0030.01515.07
7.2.150.0100.00614.89
7.2.140.0110.00714.85
7.2.130.0110.01114.88
7.2.120.0060.01514.75
7.2.110.0040.01614.97
7.2.100.0180.00314.78
7.2.90.0090.00914.95
7.2.80.0140.00714.95
7.2.70.0070.01015.07
7.2.60.0100.00714.99
7.2.50.0130.00315.02
7.2.40.0080.00914.67
7.2.30.0090.00915.14
7.2.20.0030.01414.95
7.2.10.0000.02314.92
7.2.00.0110.00514.46
7.1.330.0200.00013.87
7.1.320.0000.01914.08
7.1.310.0100.01013.72
7.1.300.0090.00613.94
7.1.290.0060.01213.83
7.1.280.0120.00613.87
7.1.270.0140.00614.02
7.1.260.0040.01113.94
7.1.250.0000.01613.57

preferences:
61.65 ms | 400 KiB | 5 Q