3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $f = function() use (&$a) { global $a; $a = 2; echo $a + 1; }; echo $a; $f();

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)
8.3.40.0120.00318.94
8.3.30.0040.01118.80
8.3.20.0070.00020.33
8.3.10.0060.00321.75
8.3.00.0030.00619.66
8.2.170.0070.00722.96
8.2.160.0140.00020.57
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0000.00721.13
8.2.120.0070.00026.35
8.2.110.0100.01020.47
8.2.100.0050.00517.91
8.2.90.0000.00819.17
8.2.80.0040.00418.05
8.2.70.0050.01016.96
8.2.60.0050.00317.93
8.2.50.0040.00418.10
8.2.40.0070.00020.41
8.2.30.0030.00520.91
8.2.20.0000.01118.04
8.2.10.0000.00718.22
8.2.00.0040.00418.16
8.1.270.0050.00323.84
8.1.260.0030.00526.35
8.1.250.0050.00328.09
8.1.240.0030.00622.06
8.1.230.0070.00419.01
8.1.220.0060.00317.79
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0000.00817.22
8.1.180.0070.00018.10
8.1.170.0000.00818.59
8.1.160.0070.00019.01
8.1.150.0040.00418.79
8.1.140.0000.00719.52
8.1.130.0030.00318.92
8.1.120.0030.00517.43
8.1.110.0030.00517.44
8.1.100.0000.00817.45
8.1.90.0000.00717.50
8.1.80.0000.00717.52
8.1.70.0040.00417.45
8.1.60.0000.00817.56
8.1.50.0080.00017.55
8.1.40.0030.00617.43
8.1.30.0040.00417.66
8.1.20.0100.00017.64
8.1.10.0060.00317.54
8.1.00.0040.00417.39
8.0.300.0090.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00518.48
8.0.270.0000.00717.24
8.0.260.0030.00618.35
8.0.250.0000.00617.03
8.0.240.0070.00017.05
8.0.230.0090.00017.02
8.0.220.0040.00416.98
8.0.210.0030.00516.89
8.0.200.0040.00417.04
8.0.190.0060.00317.00
8.0.180.0000.00816.94
8.0.170.0080.00016.96
8.0.160.0070.00016.98
8.0.150.0030.00316.84
8.0.140.0040.00416.97
8.0.130.0030.00313.41
8.0.120.0040.00416.77
8.0.110.0070.00016.83
8.0.100.0040.00416.94
8.0.90.0000.00816.80
8.0.80.0130.00316.93
8.0.70.0070.00017.00
8.0.60.0040.00416.89
8.0.50.0000.00716.89
8.0.30.0080.00917.04
8.0.20.0120.00617.40
8.0.10.0050.00217.10
8.0.00.0100.00716.97
7.4.330.0050.00015.55
7.4.320.0070.00016.44
7.4.300.0030.00316.57
7.4.290.0100.00016.48
7.4.280.0040.00416.61
7.4.270.0040.00416.58
7.4.260.0020.00213.29
7.4.250.0030.00516.47
7.4.240.0040.00416.57
7.4.230.0000.00716.66
7.4.220.0220.00316.58
7.4.210.0090.00616.52
7.4.200.0000.00716.42
7.4.160.0050.01116.39
7.4.150.0350.01517.40
7.4.140.0100.00817.86
7.4.130.0110.00816.72
7.4.120.0110.00916.53
7.4.110.0100.00616.48
7.4.100.0060.01316.51
7.4.90.0060.00916.49
7.4.80.0120.01019.39
7.4.70.0180.00416.56
7.4.60.0120.00316.59
7.4.50.0070.01016.27
7.4.40.0110.00816.36
7.4.30.0070.01416.64
7.4.00.0120.00314.98
7.3.330.0000.00613.07
7.3.320.0000.00513.12
7.3.310.0000.00716.18
7.3.300.0070.00016.31
7.3.290.0000.00616.10
7.3.280.0070.00816.26
7.3.270.0210.00317.40
7.3.260.0060.01116.48
7.3.250.0070.01116.50
7.3.240.0110.00816.26
7.3.230.0080.00816.30
7.3.210.0080.01216.48
7.3.200.0160.00016.34
7.3.190.0100.00616.28
7.3.180.0080.00816.51
7.3.170.0110.00416.36
7.3.160.0090.00916.55
7.2.330.0150.00916.65
7.2.320.0130.00316.33
7.2.310.0070.01116.66
7.2.300.0080.00816.65
7.2.290.0100.00616.71
7.2.110.0120.00616.70
7.2.80.0070.00716.59
7.2.60.0090.00617.00
7.2.00.0000.01919.38
7.1.200.0100.00315.90
7.1.100.0080.00418.26
7.1.70.0060.00617.06
7.1.60.0140.01435.18
7.1.50.0220.00934.83
7.1.40.0180.01134.38
7.1.30.0220.00634.36
7.1.20.0160.01334.38
7.1.10.0030.00916.54
7.1.00.0100.00316.45
7.0.200.0030.01016.55
7.0.190.0030.00916.61
7.0.180.0030.01016.07
7.0.170.0000.01416.34
7.0.160.0120.00616.11
7.0.150.0030.00916.22
7.0.140.0030.01016.51
7.0.130.0100.00316.60
7.0.120.0040.01216.39
7.0.110.0040.00816.50
7.0.100.0080.00416.49
7.0.90.0090.00316.17
7.0.80.0100.00516.29
7.0.70.0000.01316.16
7.0.60.0090.00416.09
7.0.50.0000.01416.20
7.0.40.0040.00816.49
7.0.30.0040.00816.46
7.0.20.0100.00316.38
7.0.10.0030.01016.29
7.0.00.0090.00416.40

preferences:
36.13 ms | 400 KiB | 5 Q