3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; if(!isset($a[1][2])){ echo "Nope"; } else { echo "Yup"; }

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)
8.3.70.0160.00618.30
8.3.60.0110.00418.30
8.3.50.0120.00616.66
8.3.40.0000.01418.89
8.3.30.0060.00918.84
8.3.20.0040.00420.13
8.3.10.0040.00423.48
8.3.00.0040.00419.80
8.2.180.0120.00918.13
8.2.170.0100.00722.96
8.2.160.0040.01119.07
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00619.30
8.2.120.0040.00426.35
8.2.110.0030.00720.55
8.2.100.0120.00017.78
8.2.90.0000.00819.17
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0000.00718.05
8.2.50.0030.00518.10
8.2.40.0000.00720.46
8.2.30.0000.00719.35
8.2.20.0040.00418.19
8.2.10.0040.00418.06
8.2.00.0000.00717.93
8.1.280.0000.02225.92
8.1.270.0070.00022.10
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.74
8.1.230.0040.00721.96
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0040.00417.36
8.1.190.0050.00316.99
8.1.180.0030.00618.10
8.1.170.0000.00818.65
8.1.160.0070.00019.06
8.1.150.0040.00420.67
8.1.140.0050.00219.62
8.1.130.0070.00018.76
8.1.120.0000.00817.53
8.1.110.0040.00417.30
8.1.100.0070.00017.38
8.1.90.0000.00717.48
8.1.80.0040.00417.29
8.1.70.0000.01017.29
8.1.60.0040.00417.48
8.1.50.0060.00317.42
8.1.40.0030.01017.51
8.1.30.0040.00417.61
8.1.20.0040.00417.63
8.1.10.0070.00017.48
8.1.00.0000.00817.40
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.45
8.0.270.0070.00017.26
8.0.260.0040.00416.81
8.0.250.0000.00716.95
8.0.240.0050.00317.00
8.0.230.0070.00016.92
8.0.220.0070.00016.77
8.0.210.0050.00216.91
8.0.200.0030.00317.01
8.0.190.0030.00616.94
8.0.180.0000.00716.98
8.0.170.0030.00516.81
8.0.160.0030.00316.79
8.0.150.0040.00416.81
8.0.140.0000.00716.86
8.0.130.0000.00513.32
8.0.120.0040.00416.85
8.0.110.0000.00716.79
8.0.100.0000.00816.88
8.0.90.0040.00416.73
8.0.80.0100.00416.77
8.0.70.0070.00016.76
8.0.60.0040.00416.93
8.0.50.0000.00716.84
8.0.30.0070.00917.13
8.0.20.0070.01417.40
8.0.10.0040.00416.91
8.0.00.0000.01816.53
7.4.330.0000.00615.55
7.4.320.0030.00316.65
7.4.300.0000.00716.51
7.4.290.0040.00416.51
7.4.280.0030.00516.52
7.4.270.0000.00716.62
7.4.260.0000.00716.54
7.4.250.0040.00416.48
7.4.240.0000.00716.35
7.4.230.0050.00216.60
7.4.220.0070.01416.48
7.4.210.0070.00716.46
7.4.200.0000.00716.38
7.4.160.0170.00216.54
7.4.150.0100.00717.40
7.4.140.0070.01317.86
7.4.130.0130.00716.31
7.4.120.0070.01116.38
7.3.330.0050.00013.25
7.3.320.0030.00413.19
7.3.310.0000.00716.12
7.3.300.0030.00316.13
7.3.290.0060.00816.29
7.3.280.0080.00916.27
7.3.270.0030.01417.40
7.3.260.0150.00516.24
7.3.250.0110.00716.48
7.3.240.0120.00716.25
7.0.170.0120.00316.07

preferences:
37.16 ms | 401 KiB | 5 Q