3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bar = 42; function foo() { $foo = 'bar'; global $$foo; var_dump($$foo); } 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)
8.4.120.0150.00517.92
8.4.110.0110.01217.68
8.4.100.0100.01117.52
8.4.90.0100.01020.52
8.4.80.0040.00419.07
8.4.70.0070.01118.98
8.4.60.0120.01218.70
8.4.50.0090.01120.16
8.4.40.0120.00918.65
8.4.30.0100.01017.60
8.4.20.0070.01317.81
8.4.10.0100.00617.83
8.3.250.0040.00419.24
8.3.240.0110.00718.38
8.3.230.0110.00716.57
8.3.220.0040.00319.01
8.3.210.0070.00916.82
8.3.200.0070.00216.72
8.3.190.0130.00517.22
8.3.180.0110.00618.91
8.3.170.0070.01118.95
8.3.160.0080.00617.22
8.3.150.0040.01417.21
8.3.140.0060.00320.73
8.3.130.0080.00018.27
8.3.120.0080.00018.79
8.3.110.0030.00620.94
8.3.100.0100.01016.66
8.3.90.0080.00026.77
8.3.80.0060.00317.97
8.3.70.0100.01016.50
8.3.60.0070.00716.50
8.3.50.0190.00222.00
8.3.40.0120.00318.67
8.3.30.0070.00718.54
8.3.20.0000.00820.25
8.3.10.0000.00721.90
8.3.00.0110.00017.77
8.2.290.0140.00516.69
8.2.280.0050.00320.11
8.2.270.0070.01119.07
8.2.260.0040.01417.41
8.2.250.0100.01016.70
8.2.240.0040.00418.80
8.2.230.0130.00622.58
8.2.220.0040.00724.06
8.2.210.0040.01126.77
8.2.200.0060.00316.75
8.2.190.0130.00916.63
8.2.180.0100.00716.88
8.2.170.0040.01122.96
8.2.160.0080.01119.11
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00022.31
8.2.120.0000.00726.35
8.2.110.0060.00320.57
8.2.100.0090.00317.91
8.2.90.0040.00419.27
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0030.00617.80
8.2.50.0030.00518.10
8.2.40.0060.00322.32
8.2.30.0020.00519.16
8.2.20.0080.00017.68
8.2.10.0000.00718.00
8.2.00.0050.00218.12
8.1.330.0120.00616.00
8.1.320.0110.00916.22
8.1.310.0080.00018.54
8.1.300.0070.01017.93
8.1.290.0040.00430.84
8.1.280.0100.01025.92
8.1.270.0000.00823.99
8.1.260.0000.00728.09
8.1.250.0070.00028.09
8.1.240.0030.00723.81
8.1.230.0070.00420.94
8.1.220.0060.00317.79
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0030.00517.34
8.1.180.0040.00418.10
8.1.170.0030.00518.63
8.1.160.0000.00722.17
8.1.150.0000.00718.77
8.1.140.0040.00419.50
8.1.130.0000.00717.64
8.1.120.0000.00717.49
8.1.110.0050.00317.45
8.1.100.0070.00017.51
8.1.90.0030.00617.46
8.1.80.0080.00017.51
8.1.70.0000.00917.42
8.1.60.0050.00517.59
8.1.50.0030.00617.47
8.1.40.0080.00017.49
8.1.30.0000.00817.69
8.1.20.0000.00717.68
8.1.10.0000.00717.48
8.1.00.0070.00017.35
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0000.00718.50
8.0.270.0070.00017.18
8.0.260.0080.00017.26
8.0.250.0030.00316.97
8.0.240.0030.00316.97
8.0.230.0040.00416.91
8.0.220.0040.00416.77
8.0.210.0030.00616.76
8.0.200.0030.00316.98
8.0.190.0040.00416.96
8.0.180.0040.00416.83
8.0.170.0040.00416.85
8.0.160.0030.00516.98
8.0.150.0000.00716.86
8.0.140.0000.00716.74
8.0.130.0000.00513.28
8.0.120.0040.00416.90
8.0.110.0000.00716.81
8.0.100.0000.00716.81
8.0.90.0080.00016.88
8.0.80.0060.01016.90
8.0.70.0040.00416.75
8.0.60.0040.00416.78
8.0.50.0080.00016.89
8.0.30.0120.00417.20
8.0.20.0090.01017.40
8.0.10.0000.00716.91
8.0.00.0090.00916.64
7.4.330.0000.00615.08
7.4.320.0000.00716.59
7.4.300.0030.00516.61
7.4.290.0000.00716.49
7.4.280.0040.00416.50
7.4.270.0030.00316.59
7.4.260.0030.00316.49
7.4.250.0000.00716.57
7.4.240.0040.00416.50
7.4.230.0020.00516.68
7.4.220.0030.01416.48
7.4.210.0080.00916.51
7.4.200.0040.00416.40
7.4.160.0040.01416.50
7.4.150.0100.01317.40
7.4.140.0100.00617.86
7.4.130.0100.00616.55
7.4.120.0110.00616.43
7.4.110.0140.00716.57
7.4.100.0130.00916.43
7.4.90.0070.01116.47
7.4.80.0140.00919.39
7.4.70.0100.00716.61
7.4.60.0100.01216.64
7.4.50.0090.00516.50
7.4.40.0100.00616.44
7.4.30.0170.00416.50
7.4.00.0070.01014.96
7.3.330.0050.00013.17
7.3.320.0000.00513.06
7.3.310.0060.00016.20
7.3.300.0030.00316.32
7.3.290.0000.00616.25
7.3.280.0100.00716.30
7.3.270.0030.01417.40
7.3.260.0120.00716.31
7.3.250.0150.00616.44
7.3.240.0080.01016.38
7.3.230.0060.01316.60
7.3.210.0110.01416.35
7.3.200.0120.00616.29
7.3.190.0120.00616.18
7.3.180.0090.01216.19
7.3.170.0170.00316.31
7.3.160.0060.01116.29
7.2.330.0030.01716.71
7.2.320.0060.01616.51
7.2.310.0030.01416.70
7.2.300.0090.00916.42
7.2.290.0150.00616.49
7.2.60.0070.01016.82
7.2.00.0030.00619.55
7.1.200.0000.00615.82
7.1.70.0030.00317.16
7.1.60.0080.00319.87
7.1.00.0070.07322.37
7.0.200.0170.00714.79
7.0.80.0000.06719.88
7.0.70.1070.05719.94
7.0.60.1170.05019.86
7.0.50.1070.06720.35
7.0.40.1030.06320.27
7.0.30.1170.05720.21
7.0.20.1170.06020.20
7.0.10.1100.06320.31
7.0.00.1170.05320.33
5.6.280.0030.07321.18
5.6.220.1000.05320.66
5.6.210.1170.04020.63
5.6.200.0930.06321.04
5.6.190.1000.06021.10
5.6.180.0930.06021.17
5.6.170.1070.05021.07
5.6.160.1030.06321.04
5.6.150.1030.07021.05
5.6.140.1230.07321.02
5.6.130.0930.06021.11
5.6.120.0100.06021.05
5.6.110.0570.04321.09
5.6.100.1030.05321.09
5.6.90.0930.06021.09
5.6.80.0900.05720.58
5.6.70.0930.05720.42
5.6.60.0930.05320.39
5.6.50.0930.05320.58
5.6.40.0970.05320.43
5.6.30.1070.05320.50
5.6.20.0930.05720.37
5.6.10.0970.05020.39
5.6.00.1130.04320.43
5.5.360.1000.05320.38
5.5.350.0900.06320.48
5.5.340.0900.06320.86
5.5.330.0900.06720.84
5.5.320.0970.05720.98
5.5.310.0970.05320.85
5.5.300.0970.05720.94
5.5.290.1200.07720.86
5.5.280.0170.05720.83
5.5.270.1000.06320.70
5.5.260.0870.06720.80
5.5.250.1100.04320.74
5.5.240.0900.05720.25
5.5.230.1030.06320.32
5.5.220.1070.06720.29
5.5.210.1030.05720.31
5.5.200.0930.05020.33
5.5.190.0930.05720.13
5.5.180.1030.05320.28
5.5.160.1170.06320.20
5.5.150.0970.05320.05
5.5.140.0930.05720.14
5.5.130.0930.05720.29
5.5.120.1000.07020.13
5.5.110.0970.05320.27
5.5.100.0970.05320.00
5.5.90.1030.04320.01
5.5.80.0900.05720.09
5.5.70.0900.06320.13
5.5.60.1000.04720.06
5.5.50.0930.05320.14
5.5.40.0830.06020.14
5.5.30.0870.05720.09
5.5.20.0930.05720.09
5.5.10.0800.06320.08
5.5.00.0970.05020.07

preferences:
31.91 ms | 403 KiB | 5 Q