3v4l.org

run code in 300+ PHP versions simultaneously
<?php spl_autoload_register(function($c) { echo "autoloading $c\n"; eval("class $c { const BAR=42; }"); }); class A { const FOO = B::BAR; } echo "class defined but not yet evaluated\n"; echo A::FOO;

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)
8.3.60.0070.01016.38
8.3.50.0040.01118.14
8.3.40.0110.00418.47
8.3.30.0070.00718.79
8.3.20.0040.00424.18
8.3.10.0050.00324.66
8.3.00.0070.00026.16
8.2.180.0110.00425.92
8.2.170.0140.00418.54
8.2.160.0070.00722.96
8.2.150.0050.00325.66
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0090.00619.22
8.2.110.0110.00021.02
8.2.100.0080.00417.78
8.2.90.0040.00417.91
8.2.80.0040.00418.09
8.2.70.0000.00817.50
8.2.60.0050.00317.50
8.2.50.0040.00417.55
8.2.40.0030.00518.21
8.2.30.0040.00418.18
8.2.20.0040.00418.09
8.2.10.0070.00019.33
8.2.00.0040.00419.32
8.1.280.0110.00725.92
8.1.270.0040.00424.02
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00322.72
8.1.230.0080.00420.91
8.1.220.0080.00017.74
8.1.210.0000.00818.85
8.1.200.0000.00817.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0000.00718.82
8.1.150.0000.00718.81
8.1.140.0000.00818.82
8.1.130.0000.00720.14
8.1.120.0000.00817.38
8.1.110.0030.00517.28
8.1.100.0040.00417.36
8.1.90.0030.00317.40
8.1.80.0040.00417.40
8.1.70.0030.00517.37
8.1.60.0040.00417.54
8.1.50.0040.00417.35
8.1.40.0000.00817.34
8.1.30.0030.00617.51
8.1.20.0040.00417.54
8.1.10.0030.00617.48
8.1.00.0030.00517.45
8.0.300.0040.00420.11
8.0.290.0040.00816.75
8.0.280.0030.00318.45
8.0.270.0030.00318.02
8.0.260.0030.00318.45
8.0.250.0030.00516.87
8.0.240.0040.00416.93
8.0.230.0030.00316.97
8.0.220.0000.00716.79
8.0.210.0000.00716.81
8.0.200.0060.00016.88
8.0.190.0000.00716.85
8.0.180.0040.00416.87
8.0.170.0040.00416.90
8.0.160.0040.00417.01
8.0.150.0080.00016.91
8.0.140.0050.00216.77
8.0.130.0000.00613.26
8.0.120.0060.00316.89
8.0.110.0050.00316.77
8.0.100.0000.00716.79
8.0.90.0000.00816.87
8.0.80.0100.00816.89
8.0.70.0000.00717.01
8.0.60.0040.00416.93
8.0.50.0060.00316.96
8.0.30.0110.00716.94
8.0.20.0100.00616.93
8.0.10.0110.01116.93
8.0.00.0040.01217.18
7.4.330.0020.00215.55
7.4.320.0000.00616.55
7.4.300.0000.00616.43
7.4.290.0030.00516.61
7.4.280.0050.00316.63
7.4.270.0030.00316.41
7.4.260.0030.00316.51
7.4.250.0030.00316.56
7.4.240.0030.00316.51
7.4.230.0030.00316.49
7.4.220.0040.00416.54
7.4.210.0060.00816.50
7.4.200.0030.00316.50
7.4.160.0050.00816.42
7.4.150.0100.00316.33
7.4.140.0100.01016.61
7.4.130.0130.00716.48
7.4.120.0110.00416.52
7.4.110.0070.01016.36
7.4.100.0100.01016.51
7.4.90.0040.01216.43
7.4.80.0090.00916.36
7.4.70.0130.00616.50
7.4.60.0110.00616.48
7.4.50.0030.01016.58
7.4.40.0110.00316.54
7.4.30.0110.01116.45
7.4.20.0130.00316.52
7.4.10.0140.00016.52
7.4.00.0140.00416.58
7.3.330.0050.00216.18
7.3.320.0030.00613.29
7.3.310.0030.00316.30
7.3.300.0030.00316.29
7.3.290.0090.00816.27
7.3.270.0130.00716.44
7.3.260.0070.00716.55
7.3.250.0090.01216.25
7.3.240.0080.01116.28
7.3.230.0100.00316.38
7.3.220.0090.01316.77
7.3.210.0090.00916.36
7.3.200.0110.00516.37
7.3.190.0090.01216.35
7.3.180.0060.00916.67
7.3.170.0030.01416.22
7.3.160.0070.01116.37
7.3.150.0040.01116.68
7.3.140.0090.00616.21
7.3.130.0040.00916.33
7.3.120.0130.00316.57
7.3.110.0170.00016.20
7.3.100.0140.00316.12
7.3.90.0130.00516.50
7.3.80.0090.01216.29
7.3.70.0130.00016.41
7.3.60.0110.00316.41
7.3.50.0070.01316.37
7.3.40.0110.00716.16
7.3.30.0070.00716.45
7.3.20.0160.00316.38
7.3.10.0060.01216.56
7.3.00.0090.00616.36

preferences:
68.81 ms | 400 KiB | 5 Q