3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = "1"; $var2 = "2"; function foo() { global $var1, $var2; var_dump($var1 ?? $var2); } 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)
8.3.60.0120.00616.75
8.3.50.0130.00821.98
8.3.40.0110.00418.70
8.3.30.0140.00018.59
8.3.20.0040.00420.25
8.3.10.0050.00323.48
8.3.00.0070.00418.92
8.2.180.0140.00316.50
8.2.170.0070.01322.96
8.2.160.0100.00322.25
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00417.38
8.2.110.0040.00822.25
8.2.100.0070.00417.80
8.2.90.0040.00418.94
8.2.80.0060.00317.97
8.2.70.0080.00017.25
8.2.60.0030.00517.55
8.2.50.0000.00818.07
8.2.40.0060.00319.28
8.2.30.0000.00820.67
8.2.20.0000.00817.59
8.2.10.0040.00418.03
8.2.00.0040.00417.89
8.1.280.0080.00625.92
8.1.270.0080.00024.66
8.1.260.0030.00626.35
8.1.250.0090.00028.09
8.1.240.0030.00620.83
8.1.230.0090.00317.52
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.00
8.1.180.0050.00218.10
8.1.170.0000.00718.95
8.1.160.0060.00321.99
8.1.150.0050.00218.85
8.1.140.0000.00719.52
8.1.130.0030.00317.48
8.1.120.0040.00417.32
8.1.110.0000.00717.38
8.1.100.0030.00617.40
8.1.90.0080.00017.45
8.1.80.0000.00717.35
8.1.70.0050.00217.38
8.1.60.0040.00417.54
8.1.50.0040.00417.53
8.1.40.0030.00617.43
8.1.30.0000.00817.71
8.1.20.0050.00317.53
8.1.10.0040.00417.49
8.1.00.0000.00817.43
8.0.300.0040.00418.77
8.0.290.0070.00016.58
8.0.280.0040.00418.37
8.0.270.0030.00317.29
8.0.260.0070.00017.17
8.0.250.0000.00716.86
8.0.240.0080.00016.88
8.0.230.0030.00316.88
8.0.220.0000.00716.73
8.0.210.0030.00316.71
8.0.200.0000.00616.75
8.0.190.0040.00416.84
8.0.180.0000.00816.86
8.0.170.0000.00716.78
8.0.160.0000.00716.83
8.0.150.0000.00716.69
8.0.140.0050.00216.69
8.0.130.0030.00313.27
8.0.120.0000.00716.66
8.0.110.0070.00016.84
8.0.100.0070.00016.63
8.0.90.0070.00016.70
8.0.80.0060.00916.73
8.0.70.0030.00516.92
8.0.60.0000.00716.79
8.0.50.0000.00716.67
8.0.30.0080.01217.23
8.0.20.0090.01017.40
8.0.10.0070.00016.91
8.0.00.0060.01416.62
7.4.330.0020.00215.08
7.4.320.0030.00316.50
7.4.300.0040.00416.60
7.4.290.0030.00316.54
7.4.280.0030.00516.58
7.4.270.0000.00716.50
7.4.260.0000.00716.59
7.4.250.0000.00716.44
7.4.240.0020.00516.49
7.4.230.0000.00716.40
7.4.220.0070.01716.54
7.4.210.0070.01116.60
7.4.200.0000.00716.59
7.4.160.0070.00716.41
7.4.150.0110.00817.40
7.4.140.0120.00917.86
7.4.130.0080.01316.59
7.4.120.0110.00616.43
7.4.110.0080.00816.50
7.4.100.0150.00616.30
7.4.90.0160.00016.54
7.4.80.0090.00919.39
7.4.70.0100.00716.39
7.4.60.0100.00616.45
7.4.50.0030.00516.27
7.4.40.0070.01116.50
7.4.30.0030.01516.52
7.4.00.0100.00614.90
7.3.330.0030.00313.29
7.3.320.0050.00013.16
7.3.310.0040.00416.20
7.3.300.0040.00416.16
7.3.290.0000.00616.31
7.3.280.0120.00416.30
7.3.270.0100.00717.40
7.3.260.0060.01216.55
7.3.250.0100.00916.27
7.3.240.0100.00716.50
7.3.230.0090.00916.43
7.3.210.0100.00616.38
7.3.200.0170.00316.45
7.3.190.0070.01116.52
7.3.180.0100.00616.56
7.3.170.0130.01016.57
7.3.160.0090.00916.40
7.3.10.0170.00016.37
7.3.00.0040.01116.29
7.2.330.0150.00716.21
7.2.320.0100.00616.26
7.2.310.0100.00616.68
7.2.300.0100.01316.11
7.2.290.0110.00616.21
7.2.130.0180.00316.37
7.2.120.0200.00716.30
7.2.110.0090.00616.52
7.2.100.0090.00916.41
7.2.90.0150.00616.70
7.2.80.0090.00516.32
7.2.70.0060.00616.54
7.2.60.0060.00616.36
7.2.50.0100.01016.03
7.2.40.0110.01116.53
7.2.30.0090.00616.42
7.2.20.0060.00616.49
7.2.10.0100.01016.47
7.2.00.0080.00717.77
7.1.250.0170.00315.17
7.1.200.0030.00715.71
7.1.100.0040.01118.19
7.1.70.0040.00717.15
7.1.60.0140.01119.43
7.1.50.0070.01416.95
7.1.00.0070.07322.48
7.0.200.1140.00714.65
7.0.60.0100.08320.05
7.0.50.0070.05017.82
7.0.40.0130.07320.21
7.0.30.0030.04320.16
7.0.20.0270.08020.15
7.0.10.0070.08720.23
7.0.00.0070.09020.22
5.6.280.0000.08321.00
5.6.210.0070.07320.77
5.6.200.0030.04318.27
5.6.190.0100.07320.64
5.6.180.0400.06720.77
5.6.170.0230.04020.57
5.6.160.0070.04020.52
5.6.150.0100.04018.16
5.6.140.0030.05018.20
5.6.130.0100.03718.29
5.6.120.0070.07321.13
5.6.110.0170.07020.99
5.6.100.0100.03320.94
5.6.90.0070.08020.95
5.6.80.0000.04720.47
5.5.350.0000.05020.44
5.5.340.0070.06017.98
5.5.330.0070.08020.38
5.5.320.0270.05020.51
5.5.310.0200.04320.24
5.5.300.0200.06718.00
5.5.290.0100.07718.07
5.5.280.0100.08320.77
5.5.270.0070.07720.64
5.5.260.0070.04320.76
5.5.250.0030.05320.66
5.5.240.0300.06020.35
5.4.450.3670.04319.49
5.4.440.3630.04719.43
5.4.430.3630.04019.51
5.4.420.3630.04019.48
5.4.410.4230.03719.42
5.4.400.3600.03318.96
5.4.390.3770.04019.16
5.4.380.3600.04718.93
5.4.370.4600.04019.11
5.4.360.4300.03319.23
5.4.350.4900.04318.96
5.4.340.4700.03018.96
5.4.320.4230.04318.93
5.4.310.4270.04019.16
5.4.300.3830.03319.12
5.4.290.3670.03319.21
5.4.280.3930.03719.19
5.4.270.4000.04019.03
5.4.260.4200.03319.12
5.4.250.3900.03718.92
5.4.240.3900.03319.14
5.4.230.4130.04019.12
5.4.220.4630.03719.22
5.4.210.4430.04318.94
5.4.200.4300.03718.95
5.4.190.3830.03718.92
5.4.180.4200.03719.09
5.4.170.4200.03319.14
5.4.160.4000.03319.02
5.4.150.4030.04718.91
5.4.140.0030.08016.36
5.4.130.0000.08016.45
5.4.120.4030.03316.35
5.4.110.4200.03016.61
5.4.100.4100.03316.32
5.4.90.4770.04016.63

preferences:
57.98 ms | 401 KiB | 5 Q