3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = []; $arr['here'] = "2"; var_dump(isset($arr['here']) && $arr['here'] === "1"); // false var_dump(isset($arr['here']) && $arr['here'] === "2"); // true var_dump(isset($arr['here']) && $arr['here'] === "3"); // false

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)
8.3.70.0110.00716.58
8.3.60.0130.00916.38
8.3.50.0110.00716.34
8.3.40.0070.00721.90
8.3.30.0040.01118.62
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.190.0070.01016.63
8.2.180.0090.00925.92
8.2.170.0040.01118.95
8.2.160.0070.00722.96
8.2.150.0000.00825.66
8.2.140.0030.00724.66
8.2.130.0040.00426.16
8.2.120.0030.00619.48
8.2.110.0030.00622.21
8.2.100.0060.00617.84
8.2.90.0030.00619.16
8.2.80.0040.00419.25
8.2.70.0080.00018.05
8.2.60.0070.00018.16
8.2.50.0000.01018.10
8.2.40.0000.00719.33
8.2.30.0020.00519.21
8.2.20.0040.00418.12
8.2.10.0090.00019.17
8.2.00.0020.00519.29
8.1.280.0070.00725.92
8.1.270.0080.00022.08
8.1.260.0000.00826.35
8.1.250.0030.00528.09
8.1.240.0060.00322.74
8.1.230.0070.00317.76
8.1.220.0060.00317.78
8.1.210.0080.00018.77
8.1.200.0030.01017.35
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0030.00618.65
8.1.160.0000.00719.00
8.1.150.0040.00418.86
8.1.140.0050.00518.88
8.1.130.0040.00421.99
8.1.120.0030.00317.37
8.1.110.0000.00817.43
8.1.100.0040.00417.42
8.1.90.0040.00417.29
8.1.80.0060.00317.43
8.1.70.0000.00717.43
8.1.60.0000.00817.61
8.1.50.0040.00417.53
8.1.40.0000.00717.39
8.1.30.0040.00417.61
8.1.20.0040.00417.62
8.1.10.0060.00617.48
8.1.00.0000.00817.51
8.0.300.0000.00918.77
8.0.290.0000.00716.75
8.0.280.0040.00418.44
8.0.270.0050.00316.81
8.0.260.0000.00720.18
8.0.250.0000.00616.93
8.0.240.0030.00516.94
8.0.230.0040.00416.98
8.0.220.0000.00716.86
8.0.210.0050.00216.86
8.0.200.0000.00816.95
8.0.190.0000.00716.95
8.0.180.0040.00416.88
8.0.170.0030.00616.93
8.0.160.0070.00016.88
8.0.150.0040.00416.78
8.0.140.0070.00016.84
8.0.130.0000.00613.27
8.0.120.0030.00516.88
8.0.110.0000.00716.84
8.0.100.0070.00016.74
8.0.90.0000.00716.78
8.0.80.0080.01016.84
8.0.70.0030.00316.79
8.0.60.0070.00016.68
8.0.50.0000.00716.73
8.0.30.0090.00916.89
8.0.20.0090.01117.04
8.0.10.0030.00516.89
8.0.00.0080.01116.93
7.4.330.0000.00415.55
7.4.320.0030.00316.45
7.4.300.0040.00416.56
7.4.290.0000.00916.52
7.4.280.0000.00816.62
7.4.270.0000.00616.49
7.4.260.0000.00513.32
7.4.250.0080.00016.43
7.4.240.0040.00416.50
7.4.230.0070.00016.61
7.4.220.0020.00516.55
7.4.210.0090.00816.50
7.4.200.0030.00316.61
7.4.130.0160.00616.39
7.4.120.0000.02116.55
7.4.110.0070.01316.33
7.4.100.0070.01316.36
7.4.90.0140.01016.50
7.4.80.0180.00716.61
7.4.70.0080.01116.45
7.4.60.0170.00316.59
7.4.50.0000.01716.37
7.4.40.0060.01116.44
7.4.30.0160.00516.44
7.4.20.0110.00816.45
7.4.10.0090.00916.48
7.4.00.0170.00316.55
7.3.330.0040.00416.18
7.3.320.0030.00313.15
7.3.310.0030.00316.40
7.3.300.0030.00316.15
7.3.290.0080.00816.29
7.3.260.0140.00716.26
7.3.230.0150.00516.42
7.3.220.0120.00616.33
7.3.210.0070.01116.07
7.3.200.0140.00716.36
7.3.190.0080.01016.62
7.3.180.0080.01516.17
7.3.170.0080.01816.29
7.3.160.0150.00616.27
7.3.150.0090.00916.26
7.3.140.0130.00716.33
7.3.130.0130.00616.30
7.3.120.0140.00816.47
7.3.110.0230.00316.13
7.3.100.0100.01016.24
7.3.90.0110.01016.42
7.3.80.0120.00616.34
7.3.70.0080.01916.19
7.3.60.0150.00716.42
7.3.50.0170.00316.43
7.3.40.0110.01216.07
7.3.30.0150.00816.30
7.3.20.0140.01116.22
7.3.10.0130.00916.27
7.3.00.0250.01116.25
7.2.340.0230.00016.71
7.2.330.0080.01316.79
7.2.320.0190.00616.43
7.2.310.0160.00816.46
7.2.300.0040.01516.34
7.2.290.0040.01516.51
7.2.280.0070.01116.68
7.2.270.0100.00716.75
7.2.260.0060.01616.50
7.2.250.0100.01516.72
7.2.240.0140.01116.61
7.2.230.0090.01216.70
7.2.220.0200.00616.41
7.2.210.0120.01616.69
7.2.200.0140.00716.58
7.2.190.0150.00816.61
7.2.180.0030.01616.50
7.2.170.0170.00316.51
7.2.160.0150.00616.54
7.2.150.0100.01116.65
7.2.140.0140.00516.64
7.2.130.0110.01116.61
7.2.120.0120.01416.59
7.2.110.0100.01016.56
7.2.100.0080.01316.75
7.2.90.0160.00716.54
7.2.80.0170.00616.55
7.2.70.0170.00016.48
7.2.60.0110.00716.58
7.2.50.0140.00516.48
7.2.40.0150.01016.66
7.2.30.0080.01116.53
7.2.20.0090.00916.52
7.2.10.0110.00816.55
7.2.00.0160.00716.66

preferences:
29.48 ms | 401 KiB | 5 Q