3v4l.org

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

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)
8.3.70.0110.00418.18
8.3.60.0040.01816.38
8.3.50.0100.00816.46
8.3.40.0100.01018.81
8.3.30.0140.00018.45
8.3.20.0000.00720.19
8.3.10.0070.00321.73
8.3.00.0040.00421.84
8.2.180.0140.00316.35
8.2.170.0070.00722.96
8.2.160.0090.00919.08
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00021.00
8.2.120.0040.00426.35
8.2.110.0040.00420.91
8.2.100.0040.00817.59
8.2.90.0030.00519.08
8.2.80.0080.00017.97
8.2.70.0070.00717.50
8.2.60.0040.00417.93
8.2.50.0000.00718.10
8.2.40.0040.00420.42
8.2.30.0040.00420.91
8.2.20.0000.00718.09
8.2.10.0050.00318.04
8.2.00.0040.00417.98
8.1.280.0120.00325.92
8.1.270.0040.00421.94
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0110.01123.91
8.1.230.0040.00719.15
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.00
8.1.190.0050.00317.10
8.1.180.0050.00318.10
8.1.170.0080.00020.30
8.1.160.0000.00718.98
8.1.150.0080.00020.52
8.1.140.0040.00419.41
8.1.130.0000.00818.73
8.1.120.0040.00417.44
8.1.110.0040.00417.41
8.1.100.0040.00417.30
8.1.90.0000.00717.35
8.1.80.0000.00717.40
8.1.70.0000.00717.33
8.1.60.0040.00417.41
8.1.50.0000.00717.34
8.1.40.0000.00717.31
8.1.30.0030.00617.52
8.1.20.0050.00317.52
8.1.10.0000.00817.50
8.1.00.0000.00717.44
8.0.300.0000.00718.77
8.0.290.0060.00316.63
8.0.280.0050.00218.41
8.0.270.0030.00317.18
8.0.260.0030.00616.79
8.0.250.0000.00716.78
8.0.240.0020.00516.87
8.0.230.0000.00716.84
8.0.220.0040.00416.86
8.0.210.0040.00416.82
8.0.200.0070.00016.86
8.0.190.0090.00016.92
8.0.180.0000.00716.78
8.0.170.0040.00416.88
8.0.160.0050.00316.66
8.0.150.0030.00316.72
8.0.140.0030.00316.63
8.0.130.0060.00013.24
8.0.120.0040.00416.78
8.0.110.0030.00316.83
8.0.100.0040.00416.80
8.0.90.0070.00016.65
8.0.80.0030.01316.80
8.0.70.0040.00416.88
8.0.60.0000.00716.79
8.0.50.0050.00216.70
8.0.30.0090.00916.92
8.0.20.0110.01117.40
8.0.10.0070.00016.84
8.0.00.0100.00716.68
7.4.330.0020.00215.55
7.4.320.0040.00416.45
7.4.300.0040.00416.53
7.4.290.0000.00716.42
7.4.280.0040.00416.42
7.4.270.0060.00016.39
7.4.260.0000.00716.49
7.4.250.0000.00816.39
7.4.240.0000.00816.43
7.4.230.0000.00716.41
7.4.220.0060.01316.46
7.4.210.0140.00016.43
7.4.200.0040.00416.34
7.4.160.0070.00916.33
7.4.150.0100.01017.40
7.4.140.0080.01117.86
7.4.130.0080.01316.43
7.4.120.0150.00816.45
7.4.110.0080.00816.52
7.4.100.0120.00316.45
7.4.90.0070.01316.30
7.4.80.0070.01119.39
7.4.70.0030.01316.37
7.4.60.0040.01116.59
7.4.50.0060.00916.32
7.4.40.0100.00716.52
7.4.30.0110.00616.44
7.4.00.0030.01214.93
7.3.330.0000.00512.93
7.3.320.0000.00513.02
7.3.310.0030.00316.14
7.3.300.0030.00316.06
7.3.290.0060.00916.19
7.3.280.0060.00916.20
7.3.270.0040.01317.40
7.3.260.0100.01016.40
7.3.250.0090.01116.25
7.3.240.0050.01116.14
7.3.230.0100.00716.24
7.3.210.0090.00916.09
7.3.200.0090.00916.53
7.3.190.0100.00616.44
7.3.180.0080.00816.24
7.3.170.0060.01016.52
7.3.160.0090.00616.09
7.2.330.0130.00516.60
7.2.320.0130.00316.35
7.2.310.0070.01016.60
7.2.300.0060.01516.25
7.2.290.0100.01216.34
7.2.60.0030.01316.65
7.2.00.0000.01019.43
7.1.200.0000.01215.68
7.1.100.0070.00718.08
7.1.70.0090.00916.83
7.1.60.0310.01334.74
7.1.50.0270.01634.60
7.1.40.0350.00934.41
7.1.30.0190.02334.27
7.1.20.0230.02034.34
7.1.10.0110.00916.45
7.1.00.0060.01216.43
7.0.200.0130.00616.81
7.0.190.0100.01016.52
7.0.180.0180.00316.07
7.0.170.0030.01716.27
7.0.160.0030.01616.03
7.0.150.0050.01615.99
7.0.140.0100.01016.20
7.0.130.0060.01416.24
7.0.120.0080.01116.47
7.0.110.0110.00816.07
7.0.100.0000.02016.36
7.0.90.0090.00916.20
7.0.80.0150.00316.16
7.0.70.0040.01616.06
7.0.60.0090.01215.75
7.0.50.0040.01515.99
7.0.40.0090.00916.28
7.0.30.0060.01216.36
7.0.20.0040.01716.21
7.0.10.0100.01016.23
7.0.00.0130.00616.24

preferences:
29.84 ms | 401 KiB | 5 Q