3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = false; var_dump($a['abc'] ?? '');

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)
8.4.120.0110.00822.52
8.4.110.0100.00718.86
8.4.100.0120.00717.55
8.4.90.0120.00617.73
8.4.80.0080.01217.68
8.4.70.0060.00617.68
8.4.60.0100.01118.67
8.4.50.0140.00617.68
8.4.40.0100.01017.38
8.4.30.0130.00620.39
8.4.20.0080.01217.56
8.4.10.0030.00619.25
8.3.250.0120.00918.80
8.3.240.0100.01016.55
8.3.230.0130.00616.49
8.3.220.0140.00517.07
8.3.210.0100.00816.35
8.3.200.0050.00416.59
8.3.190.0100.00717.15
8.3.180.0100.00918.20
8.3.170.0070.01117.09
8.3.160.0150.00316.61
8.3.150.0060.01219.02
8.3.140.0070.01016.72
8.3.130.0080.00818.38
8.3.120.0110.00018.93
8.3.110.0000.00920.94
8.3.100.0080.00024.06
8.3.90.0070.01026.77
8.3.80.0060.00316.63
8.3.70.0070.01116.58
8.3.60.0070.00718.18
8.3.50.0090.01123.61
8.3.40.0070.00721.61
8.3.30.0110.00418.59
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0090.01120.37
8.2.280.0120.00920.48
8.2.270.0090.00916.48
8.2.260.0000.00818.86
8.2.250.0040.00416.86
8.2.240.0060.01218.86
8.2.230.0080.00022.58
8.2.220.0060.00337.54
8.2.210.0070.01126.77
8.2.200.0070.00716.38
8.2.190.0140.00716.58
8.2.180.0040.01125.92
8.2.170.0070.00718.96
8.2.160.0110.00422.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0000.00826.35
8.2.110.0050.00322.25
8.2.100.0040.00817.89
8.2.90.0080.00018.03
8.2.80.0050.00318.04
8.2.70.0040.00418.04
8.2.60.0060.00318.16
8.2.50.0040.00418.10
8.2.40.0000.00719.34
8.2.30.0000.00719.24
8.2.20.0040.00418.00
8.2.10.0000.00719.18
8.2.00.0040.00419.12
8.1.330.0120.00618.39
8.1.320.0080.01116.35
8.1.310.0040.00816.89
8.1.300.0080.00818.39
8.1.290.0030.00630.84
8.1.280.0070.01025.92
8.1.270.0070.00722.00
8.1.260.0070.00028.09
8.1.250.0080.00028.09
8.1.240.0060.00617.36
8.1.230.0110.00020.92
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.38
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0050.00318.38
8.1.160.0040.00419.01
8.1.150.0050.00318.79
8.1.140.0040.00418.95
8.1.130.0000.00719.98
8.1.120.0030.00617.32
8.1.110.0030.00617.40
8.1.100.0000.00817.37
8.1.90.0040.00417.29
8.1.80.0000.00817.26
8.1.70.0030.00517.36
8.1.60.0030.00717.59
8.1.50.0050.00317.54
8.1.40.0080.00017.55
8.1.30.0000.00817.64
8.1.20.0080.00017.54
8.1.10.0040.00417.52
8.1.00.0040.00417.34
8.0.300.0030.00320.03
8.0.290.0040.00416.63
8.0.280.0030.00318.24
8.0.270.0070.00016.80
8.0.260.0000.00618.54
8.0.250.0030.00316.83
8.0.240.0000.00616.76
8.0.230.0000.00716.84
8.0.220.0070.00016.82
8.0.210.0070.00016.80
8.0.200.0050.00516.86
8.0.190.0040.00416.88
8.0.180.0040.00416.88
8.0.170.0040.00416.86
8.0.160.0080.00016.79
8.0.150.0000.00716.78
8.0.140.0080.00016.66
8.0.130.0050.00013.21
8.0.120.0040.00416.82
8.0.110.0030.00616.88
8.0.100.0000.00716.88
8.0.90.0050.00316.89
8.0.80.0020.01516.79
8.0.70.0030.00316.84
8.0.60.0070.00016.73
8.0.50.0030.00516.70
8.0.30.0070.01016.70
8.0.20.0110.00816.98
8.0.10.0000.00816.90
8.0.00.0100.00716.77
7.4.330.0000.00415.55
7.4.320.0000.00616.55
7.4.300.0000.00616.38
7.4.290.0000.00816.48
7.4.280.0030.00516.32
7.4.270.0080.00016.34
7.4.260.0000.00513.17
7.4.250.0040.00416.53
7.4.240.0040.00416.47
7.4.230.0040.00416.53
7.4.220.0030.00316.32
7.4.210.0080.00816.55
7.4.200.0040.00416.54
7.4.130.0080.00816.38
7.4.120.0230.00516.43
7.4.110.0250.00716.55
7.4.100.0100.00716.27
7.4.90.0100.00916.46
7.4.80.0100.01016.46
7.4.70.0140.00316.29
7.4.60.0070.01016.46
7.4.50.0130.00416.54
7.4.40.0090.00916.41
7.4.30.0070.01016.13
7.4.20.0100.00716.30
7.4.10.0220.00616.54
7.4.00.0100.00716.57
7.3.330.0030.00316.15
7.3.320.0050.00013.00
7.3.310.0000.00716.14
7.3.300.0030.00316.18
7.3.290.0060.01016.20
7.3.260.0080.01116.23
7.3.250.0190.00816.25
7.3.240.0250.00616.37
7.3.230.0250.00516.45
7.3.220.0070.01116.20
7.3.210.0120.00616.13
7.3.200.0070.01016.11
7.3.190.0090.00916.45
7.3.180.0120.00616.30
7.3.170.0160.00316.16
7.3.160.0130.00316.51
7.3.150.0040.01216.43
7.3.140.0200.01016.27
7.3.130.0260.00516.50
7.3.120.0220.01016.05
7.3.110.0230.00616.30
7.3.100.0180.01116.19
7.3.90.0190.00916.19
7.3.80.0210.00616.11
7.3.70.0160.01216.37
7.3.60.0170.01116.25
7.3.50.0200.00916.28
7.3.40.0180.01416.31
7.3.30.0230.00616.24
7.3.20.0490.00016.45
7.3.10.1230.01316.27
7.3.00.0340.00918.21

preferences:
26.31 ms | 403 KiB | 5 Q