3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public int $bar; } $foo = new Foo; var_dump(isset($foo->bar));

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)
8.3.60.0110.00416.50
8.3.50.0100.00316.38
8.3.40.0100.01018.55
8.3.30.0140.00018.33
8.3.20.0040.00421.89
8.3.10.0000.00721.89
8.3.00.0040.00421.90
8.2.180.0190.00318.54
8.2.170.0100.01018.91
8.2.160.0130.00020.43
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00426.16
8.2.110.0070.00320.27
8.2.100.0080.00417.78
8.2.90.0000.00817.78
8.2.80.0080.00019.14
8.2.70.0000.00817.47
8.2.60.0030.00517.38
8.2.50.0080.00018.05
8.2.40.0040.00418.03
8.2.30.0000.00819.34
8.2.20.0050.00217.99
8.2.10.0040.00419.19
8.2.00.0000.00819.06
8.1.280.0090.00625.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0070.00419.00
8.1.230.0000.01222.63
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0080.00417.22
8.1.190.0040.00417.22
8.1.180.0090.00318.10
8.1.170.0090.00017.62
8.1.160.0050.00218.82
8.1.150.0000.00818.85
8.1.140.0000.00720.73
8.1.130.0030.00318.83
8.1.120.0020.00517.42
8.1.110.0040.00417.34
8.1.100.0030.00517.37
8.1.90.0030.00517.27
8.1.80.0090.00017.24
8.1.70.0050.00217.36
8.1.60.0050.00317.57
8.1.50.0070.00017.51
8.1.40.0030.00617.45
8.1.30.0000.00817.51
8.1.20.0030.00517.61
8.1.10.0040.00417.54
8.1.00.0000.00817.37
8.0.300.0000.00820.04
8.0.290.0040.00416.75
8.0.280.0030.00318.39
8.0.270.0030.00317.86
8.0.260.0000.00818.43
8.0.250.0080.00016.90
8.0.240.0090.00016.79
8.0.230.0000.00716.89
8.0.220.0030.00516.84
8.0.210.0030.00916.87
8.0.200.0000.00716.81
8.0.190.0030.00316.89
8.0.180.0030.00516.92
8.0.170.0060.00316.86
8.0.160.0000.00816.91
8.0.150.0050.00316.66
8.0.140.0040.00416.78
8.0.130.0060.00013.35
8.0.120.0060.00316.71
8.0.110.0030.00516.70
8.0.100.0050.00316.72
8.0.90.0090.00016.86
8.0.80.0080.00716.78
8.0.70.0030.00516.88
8.0.60.0000.00716.89
8.0.50.0050.00316.89
8.0.30.0100.00716.95
8.0.20.0140.00716.95
8.0.10.0000.00716.74
8.0.00.0150.00616.69
7.4.330.0000.00516.79
7.4.320.0030.00316.60
7.4.300.0000.00616.46
7.4.290.0020.00516.53
7.4.280.0000.00816.44
7.4.270.0000.00716.44
7.4.260.0060.00013.23
7.4.250.0050.00316.36
7.4.240.0020.00516.53
7.4.230.0030.00316.45
7.4.220.0020.00616.57
7.4.210.0070.00816.53
7.4.200.0030.00316.47
7.4.130.0180.00616.53
7.4.120.0100.01316.56
7.4.110.0060.01216.59
7.4.100.0070.01016.29
7.4.90.0070.01016.56
7.4.80.0130.01019.39
7.4.70.0060.01016.22
7.4.60.0060.01216.32
7.4.50.0070.01016.45
7.4.40.0050.01316.43
7.4.20.0060.01116.32
7.4.10.0130.01016.21
7.4.00.0100.01316.29
7.3.330.0000.00716.23
7.3.320.0030.00313.23
7.3.310.0000.00716.21
7.3.300.0030.00316.19
7.3.290.0060.00916.12
7.3.280.0080.00616.10
7.3.260.0130.00716.33
7.3.240.0100.00716.31
7.3.230.0120.00616.22
7.3.210.0000.01816.23
7.3.200.0090.00916.36
7.3.190.0090.01216.10
7.3.180.0120.00316.43
7.3.170.0120.00516.05
7.3.160.0080.00816.21
7.3.130.0030.01416.26
7.3.120.0140.00916.36
7.3.110.0000.01716.00
7.3.100.0060.01616.02
7.3.90.0110.00816.16
7.3.80.0010.01616.22
7.3.70.0190.00316.17
7.3.60.0060.01616.11
7.3.50.0120.00616.02
7.3.40.0070.01416.30
7.3.30.0120.00916.12
7.3.20.0180.00316.20
7.3.10.0110.00916.11
7.3.00.0200.00216.17
7.2.330.0170.00716.37
7.2.320.0100.00716.17
7.2.310.0060.01016.51
7.2.300.0160.00616.26
7.2.290.0060.01016.22
7.2.260.0150.01216.41
7.2.250.0120.00916.36
7.2.240.0150.00916.32
7.2.230.0140.00916.45
7.2.220.0060.01516.36
7.2.210.0030.01516.43
7.2.200.0060.02516.35
7.2.190.0040.01716.01
7.2.180.0070.01716.27
7.2.170.0090.01116.35
7.2.160.0070.01516.41
7.2.150.0110.01416.25
7.2.140.0500.00616.40
7.2.130.0120.01016.35
7.2.120.0180.00316.37
7.2.110.0170.00616.30
7.2.100.0080.01516.26
7.2.90.0090.01316.36
7.2.80.0130.01016.50
7.2.70.0030.00616.34
7.2.60.0170.00616.41
7.2.50.0200.00316.41
7.2.40.0120.01116.41
7.2.30.0130.01016.16
7.2.20.0150.00616.25
7.2.10.0150.00616.35
7.2.00.0150.00616.19

preferences:
35.05 ms | 400 KiB | 5 Q