3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { global $var; $var++; return; } $var = 1; echo $var, "\n"; // 1 foo(); // modifies $var echo $var, "\n"; // 2

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)
8.3.60.0150.00316.75
8.3.50.0120.00522.04
8.3.40.0040.01418.77
8.3.30.0110.00318.81
8.3.20.0040.00420.31
8.3.10.0050.00322.09
8.3.00.0030.00522.52
8.2.180.0090.00916.38
8.2.170.0110.00422.96
8.2.160.0110.00420.94
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00319.36
8.2.110.0070.00322.24
8.2.100.0090.00317.78
8.2.90.0040.00419.17
8.2.80.0050.00317.97
8.2.70.0000.00917.63
8.2.60.0000.00717.93
8.2.50.0060.00318.07
8.2.40.0040.00418.28
8.2.30.0040.00418.13
8.2.20.0050.00317.75
8.2.10.0040.00417.68
8.2.00.0060.00317.74
8.1.280.0070.00725.92
8.1.270.0000.00824.00
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.98
8.1.230.0060.00618.84
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0040.00417.23
8.1.190.0030.00617.50
8.1.180.0050.00218.10
8.1.170.0040.00418.37
8.1.160.0060.00321.82
8.1.150.0040.00418.59
8.1.140.0060.00317.37
8.1.130.0080.00017.76
8.1.120.0070.00017.32
8.1.110.0030.00317.43
8.1.100.0040.00417.38
8.1.90.0000.00717.37
8.1.80.0050.00317.33
8.1.70.0000.00717.29
8.1.60.0030.00617.44
8.1.50.0040.00417.54
8.1.40.0050.00217.43
8.1.30.0000.00917.68
8.1.20.0050.00317.58
8.1.10.0070.00017.48
8.1.00.0000.00817.30
8.0.300.0030.00418.77
8.0.290.0030.00317.18
8.0.280.0030.00318.36
8.0.270.0040.00417.27
8.0.260.0060.00016.85
8.0.250.0070.00016.86
8.0.240.0030.00616.86
8.0.230.0020.00516.88
8.0.220.0030.00516.79
8.0.210.0030.00316.71
8.0.200.0000.00816.88
8.0.190.0030.00516.88
8.0.180.0000.00716.77
8.0.170.0040.00416.76
8.0.160.0030.00616.96
8.0.150.0000.00716.79
8.0.140.0040.00416.79
8.0.130.0060.00313.32
8.0.120.0000.00816.68
8.0.110.0040.00416.76
8.0.100.0050.00216.71
8.0.90.0040.00416.85
8.0.80.0150.00716.86
8.0.70.0040.00416.67
8.0.60.0000.00816.67
8.0.50.0040.00416.84
8.0.30.0110.00916.88
8.0.20.0140.00517.40
8.0.10.0070.00016.96
8.0.00.0080.01116.70
7.4.330.0050.00015.08
7.4.320.0000.00616.55
7.4.300.0000.00616.49
7.4.290.0070.00016.54
7.4.280.0030.00316.56
7.4.270.0070.00016.51
7.4.260.0040.00416.48
7.4.250.0000.00716.46
7.4.240.0030.00516.56
7.4.230.0000.00816.41
7.4.220.0130.01316.58
7.4.210.0050.01216.51
7.4.200.0000.00716.50
7.4.190.0070.00016.55
7.4.160.0090.00616.31
7.4.150.0110.00717.40
7.4.140.0090.00917.86
7.4.130.0140.00816.62
7.4.120.0120.01016.38
7.4.110.0070.01016.68
7.4.100.0140.00416.46
7.4.90.0120.00616.57
7.4.80.0170.00416.46
7.4.70.0090.00916.48
7.4.60.0030.01216.58
7.4.50.0000.00816.64
7.4.40.0100.00722.77
7.4.30.0110.00516.59
7.4.00.0060.00814.95
7.3.330.0000.00513.25
7.3.320.0020.00213.17
7.3.310.0040.00416.20
7.3.300.0000.00716.22
7.3.290.0090.00616.31
7.3.280.0060.01216.26
7.3.270.0070.01017.40
7.3.260.0090.00916.48
7.3.250.0120.00716.38
7.3.240.0090.01216.27
7.3.230.0080.00816.39
7.3.210.0160.00416.29
7.3.200.0070.01019.39
7.3.190.0130.00916.57
7.3.180.0040.01116.42
7.3.170.0000.01616.41
7.3.160.0080.00816.57
7.3.120.0080.00914.89
7.2.330.0070.01016.80
7.2.320.0100.01316.62
7.2.310.0040.01316.36
7.2.300.0080.00816.45
7.2.290.0060.01016.39
7.2.00.0070.00419.42
7.1.100.0040.00718.13
7.1.70.0050.00317.13
7.1.60.0070.01119.82
7.1.50.0100.01016.70
7.1.00.0030.07722.54
7.0.200.0030.00716.82
7.0.140.0100.06321.95
7.0.100.0070.04719.88
7.0.90.0170.05320.13
7.0.80.0200.07019.88
7.0.70.0070.07319.92
7.0.60.0230.04719.91
7.0.50.0070.08720.34
7.0.40.0170.07020.07
7.0.30.0130.07720.11
7.0.20.0100.05020.18
7.0.10.0100.07020.11
7.0.00.0130.08020.09
5.6.280.0100.06321.11
5.6.250.0100.04320.75
5.6.240.0000.05020.49
5.6.230.0070.08020.49
5.6.220.0100.07720.65
5.6.210.0170.03720.47
5.6.200.0100.07721.02
5.6.190.0130.05021.07
5.6.180.0070.08321.03
5.6.170.0070.07721.01
5.6.160.0170.05321.00
5.6.150.0030.07021.09
5.6.140.0030.09720.95
5.6.130.0070.05721.04
5.6.120.0030.09321.00
5.6.110.0130.08320.92
5.6.100.0000.05321.00
5.6.90.0100.06020.91
5.6.80.0070.03720.41
5.6.70.0030.04320.32
5.6.60.0100.03720.38
5.6.50.0030.04020.52
5.6.40.0100.03320.30
5.6.30.0000.04320.25
5.6.20.0070.03720.45
5.6.10.0070.04320.36
5.6.00.0030.04020.45
5.5.380.0000.04720.35
5.5.370.0170.05720.34
5.5.360.0170.07020.43
5.5.350.0100.04320.46
5.5.340.0100.07020.91
5.5.330.0130.06720.86
5.5.320.0070.08720.79
5.5.310.0100.07320.79
5.5.300.0130.04020.91
5.5.290.0070.05720.76
5.5.280.0200.06720.91
5.5.270.0100.07020.86
5.5.260.0130.03720.63
5.5.250.0100.04020.57
5.5.240.0100.04020.16
5.5.230.0000.04320.26
5.5.220.0070.03720.29
5.5.210.0070.04320.28
5.5.200.0030.04320.14
5.5.190.0030.04020.17
5.5.180.0030.04020.18
5.5.160.0100.03720.16
5.5.150.0000.04320.25
5.5.140.0100.04020.07
5.5.130.0030.03320.21
5.5.120.0070.05020.16
5.5.110.0000.04719.98
5.5.100.0130.03320.15
5.5.90.0030.03020.06
5.5.80.0030.04020.00
5.5.70.0070.03720.05
5.5.60.0000.04020.04
5.5.50.0030.04020.14
5.5.40.0000.04719.92
5.5.30.0070.03720.00
5.5.20.0070.04020.05
5.5.10.0030.03319.95
5.5.00.0070.03720.01
5.4.450.0030.05019.46
5.4.440.0100.04019.27
5.4.430.0100.07019.55
5.4.420.0170.05019.45
5.4.410.0130.04019.32
5.4.400.0100.03319.13
5.4.390.0000.04319.03
5.4.380.0030.04019.03
5.4.370.0100.03019.09
5.4.360.0000.06319.13
5.4.350.0030.03319.23
5.4.340.0100.03719.16
5.4.320.0030.04019.23
5.4.310.0070.03719.05
5.4.300.0130.04018.95
5.4.290.0070.03718.95
5.4.280.0000.04019.03
5.4.270.0030.04019.17
5.4.260.0070.03318.90
5.4.250.0070.03318.87
5.4.240.0030.03719.13
5.4.230.0100.02718.84
5.4.220.0030.04018.94
5.4.210.0100.03018.87
5.4.200.0000.04019.13
5.4.190.0170.02719.02
5.4.180.0030.03719.20
5.4.170.0000.04019.20
5.4.160.0030.04019.14
5.4.150.0100.03319.01
5.4.140.0070.03316.38
5.4.130.0030.03316.10
5.4.120.0070.03316.13
5.4.110.0030.03016.39
5.4.100.0030.04016.50
5.4.90.0030.04316.43
5.4.80.0100.03016.45
5.4.70.0000.04716.53
5.4.60.0070.07016.33
5.4.50.0000.08016.47
5.4.40.0100.03716.52
5.4.30.0170.05716.40
5.4.20.0070.07316.44
5.4.10.0030.04316.48
5.4.00.0070.07315.77
5.3.290.0030.03314.59
5.3.280.0030.03714.52
5.3.270.0030.04014.56
5.3.260.0030.03714.57
5.3.250.0070.04014.67
5.3.240.0000.04014.65
5.3.230.0000.04314.69
5.3.220.0000.03314.49
5.3.210.0030.03714.58
5.3.200.0070.03014.67
5.3.190.0100.05314.63
5.3.180.0100.03014.57
5.3.170.0000.04014.55
5.3.160.0100.07314.63
5.3.150.0100.05314.58
5.3.140.0030.07714.54
5.3.130.0030.04714.64
5.3.120.0070.04714.61
5.3.110.0030.06314.64
5.3.100.0070.07314.13
5.3.90.0130.07014.13
5.3.80.0100.06714.00
5.3.70.0100.07714.04
5.3.60.0070.07013.88
5.3.50.0100.06313.85
5.3.40.0030.07313.98
5.3.30.0030.08013.88
5.3.20.0070.04013.62
5.3.10.0100.04713.68
5.3.00.0030.04013.64
5.2.170.0070.06311.04
5.2.160.0070.06011.18
5.2.150.0100.02711.14
5.2.140.0030.04311.27
5.2.130.0030.03011.20
5.2.120.0070.05711.23
5.2.110.0130.05011.00
5.2.100.0070.05311.01
5.2.90.0030.06011.12
5.2.80.0030.05311.00
5.2.70.0030.03711.11
5.2.60.0070.02711.18
5.2.50.0000.04011.04
5.2.40.0000.03711.04
5.2.30.0070.03310.91
5.2.20.0000.03310.97
5.2.10.0030.03311.00
5.2.00.0070.03010.71
5.1.60.0030.02310.07
5.1.50.0030.0409.82
5.1.40.0030.0539.96
5.1.30.0100.05010.40
5.1.20.0130.02310.41
5.1.10.0000.02710.05
5.1.00.0000.04310.17
5.0.50.0030.0378.54
5.0.40.0070.0378.52
5.0.30.0170.0408.29
5.0.20.0000.0408.29
5.0.10.0000.0338.16
5.0.00.0030.0378.22
4.4.90.0070.0178.05
4.4.80.0030.0238.05
4.4.70.0070.0278.05
4.4.60.0070.0208.05
4.4.50.0130.0178.05
4.4.40.0000.0338.05
4.4.30.0070.0278.05
4.4.20.0000.0338.05
4.4.10.0000.0238.05
4.4.00.0000.0378.05
4.3.110.0070.0238.05
4.3.100.0000.0208.05
4.3.90.0000.0378.05
4.3.80.0030.0378.05
4.3.70.0000.0308.05
4.3.60.0030.0338.05
4.3.50.0030.0308.05
4.3.40.0000.0438.05
4.3.30.0000.0208.05
4.3.20.0030.0138.05
4.3.10.0000.0378.05
4.3.00.0000.0238.05

preferences:
53.96 ms | 401 KiB | 5 Q