3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isval($v) { var_dump($v); } $a = []; isval(@$a['foo']);

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)
8.5.10.0110.00720.21
8.5.00.0070.01624.76
8.4.150.0020.00114.05
8.4.140.0130.00917.74
8.4.130.0070.01317.64
8.4.120.0140.00620.59
8.4.110.0050.00422.37
8.4.100.0120.00917.94
8.4.90.0170.00418.69
8.4.80.0070.00517.66
8.4.70.0050.00318.00
8.4.60.0040.00418.75
8.4.50.0130.00719.58
8.4.40.0100.01018.62
8.4.30.0070.01420.61
8.4.20.0140.00719.83
8.4.10.0030.00621.93
8.3.280.0130.00718.36
8.3.270.0130.00716.50
8.3.260.0130.00616.89
8.3.250.0090.01019.03
8.3.240.0130.00716.70
8.3.230.0140.00516.97
8.3.220.0130.00417.21
8.3.210.0040.00316.93
8.3.200.0040.00416.60
8.3.190.0110.00816.97
8.3.180.0130.00716.85
8.3.170.0140.00417.26
8.3.160.0070.01118.55
8.3.150.0140.00420.54
8.3.140.0080.00818.40
8.3.130.0040.00416.69
8.3.120.0060.00318.85
8.3.110.0120.00420.94
8.3.100.0090.00024.06
8.3.90.0150.00026.77
8.3.80.0040.00418.43
8.3.70.0150.00616.63
8.3.60.0090.00616.63
8.3.50.0100.00720.48
8.3.40.0110.00418.92
8.3.30.0000.01818.38
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0080.00026.16
8.2.290.0120.00620.42
8.2.280.0080.00518.36
8.2.270.0130.00618.99
8.2.260.0000.01118.48
8.2.250.0080.00016.85
8.2.240.0060.00317.32
8.2.230.0040.00422.58
8.2.220.0060.00337.54
8.2.210.0040.00426.77
8.2.200.0000.00916.63
8.2.190.0100.01016.58
8.2.180.0130.00325.92
8.2.170.0150.00018.94
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00026.16
8.2.110.0040.00721.11
8.2.100.0080.00418.03
8.2.90.0050.00319.40
8.2.80.0080.00017.97
8.2.70.0000.00817.75
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0070.00018.10
8.2.30.0000.00718.17
8.2.20.0030.00720.45
8.2.10.0040.00417.93
8.2.00.0040.00419.16
8.1.330.0100.00822.02
8.1.320.0130.00616.08
8.1.310.0150.00316.81
8.1.300.0000.00818.38
8.1.290.0000.00830.84
8.1.280.0150.00025.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00721.37
8.1.230.0080.00317.77
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0050.00517.35
8.1.190.0060.00317.22
8.1.180.0040.00418.10
8.1.170.0060.00618.50
8.1.160.0040.00418.88
8.1.150.0000.00718.52
8.1.140.0080.00017.43
8.1.130.0000.00717.42
8.1.120.0060.00317.37
8.1.110.0040.00417.43
8.1.100.0000.00817.50
8.1.90.0070.00017.46
8.1.80.0120.00017.43
8.1.70.0070.00717.33
8.1.60.0130.00517.55
8.1.50.0160.00017.43
8.1.40.0150.00417.50
8.1.30.0150.00417.68
8.1.20.0110.00717.61
8.1.10.0140.00417.54
8.1.00.0130.00617.43
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.34
8.0.270.0080.00016.91
8.0.260.0080.00016.89
8.0.250.0000.00717.00
8.0.240.0040.00417.03
8.0.230.0000.00716.89
8.0.220.0000.00616.98
8.0.210.0000.00916.96
8.0.200.0110.00416.82
8.0.190.0150.00016.94
8.0.180.0100.00516.96
8.0.170.0120.00216.99
8.0.160.0110.00416.87
8.0.150.0070.00716.96
8.0.140.0090.00416.70
8.0.130.0100.00516.77
8.0.120.0030.01116.80
8.0.110.0140.00416.84
8.0.100.0120.00316.92
8.0.90.0110.00416.92
8.0.80.0050.01016.89
8.0.70.0000.01516.88
8.0.60.0040.00916.89
8.0.50.0000.01416.75
8.0.30.0130.00016.84
8.0.20.0070.00416.80
8.0.10.0070.00417.09
7.4.330.0020.00215.55
7.4.320.0060.00016.50
7.4.300.0090.00016.57
7.4.290.0180.00016.47
7.4.280.0080.00816.55
7.4.270.0140.00316.41
7.4.260.0130.00316.51
7.4.250.0170.00016.43
7.4.240.0050.01116.35
7.4.230.0140.00316.46
7.4.220.0070.00716.46
7.4.210.0080.00516.47
7.4.200.0120.00316.46
7.4.190.0100.00516.54
7.4.180.0100.00516.59
7.4.160.0140.00016.38
7.4.150.0140.00016.31
7.4.140.0120.00316.27
7.4.130.0050.01016.43
7.4.120.0100.00216.40
7.4.110.0110.00016.39
7.4.100.0090.00316.46
7.4.90.0050.00816.27
7.4.80.0080.00416.26
7.4.70.0000.00816.34
7.4.60.0060.00016.27
7.4.50.0000.00716.37
7.4.40.0020.00516.15
7.4.30.0000.00716.21
7.4.20.0030.00316.41
7.4.10.0000.00616.46
7.4.00.0000.00616.39

preferences:
35.03 ms | 403 KiB | 5 Q