3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getVarName() { return 'zzx'; } $zzx = 'Var value'; echo "Value of variable = {${getVarName()}}";

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)
8.3.60.0120.00318.50
8.3.50.0100.00621.21
8.3.40.0070.00718.71
8.3.30.0080.00820.38
8.3.20.0050.00220.33
8.3.10.0030.00522.09
8.3.00.0070.00022.46
8.2.180.0000.01516.38
8.2.170.0140.00022.96
8.2.160.0130.00722.13
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0070.01026.16
8.2.120.0000.00817.50
8.2.110.0090.00022.11
8.2.100.0080.00419.41
8.2.90.0050.00219.05
8.2.80.0040.00419.21
8.2.70.0050.00317.50
8.2.60.0040.00418.03
8.2.50.0080.00418.07
8.2.40.0090.00018.16
8.2.30.0050.00517.93
8.2.20.0000.00717.71
8.2.10.0030.00517.49
8.2.00.0030.00517.67
8.1.280.0130.00325.92
8.1.270.0060.00324.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00023.87
8.1.230.0060.00619.22
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.34
8.1.190.0030.00517.53
8.1.180.0030.00619.01
8.1.170.0040.00418.63
8.1.160.0050.00220.94
8.1.150.0030.00518.50
8.1.140.0050.00217.44
8.1.130.0030.00317.45
8.1.120.0030.00317.46
8.1.110.0040.00417.43
8.1.100.0030.00517.33
8.1.90.0040.00417.46
8.1.80.0030.00317.34
8.1.70.0070.00017.39
8.1.60.0000.00917.41
8.1.50.0030.00617.50
8.1.40.0000.00817.49
8.1.30.0030.00617.63
8.1.20.0080.00017.54
8.1.10.0000.00817.45
8.1.00.0080.00017.43
8.0.300.0040.00418.77
8.0.290.0000.00717.04
8.0.280.0040.00418.43
8.0.270.0000.00717.30
8.0.260.0030.00516.73
8.0.250.0030.00316.84
8.0.240.0050.00317.04
8.0.230.0040.00416.87
8.0.220.0000.00716.88
8.0.210.0020.00516.80
8.0.200.0000.00716.94
8.0.190.0000.00716.83
8.0.180.0000.00716.94
8.0.170.0000.00816.86
8.0.160.0000.00716.79
8.0.150.0040.00416.82
8.0.140.0000.00816.70
8.0.130.0030.00313.30
8.0.120.0000.00816.88
8.0.110.0030.00516.89
8.0.100.0040.00416.83
8.0.90.0000.00716.95
8.0.80.0060.00916.88
8.0.70.0030.00316.86
8.0.60.0040.00416.80
8.0.50.0040.00416.90
8.0.30.0120.00917.17
8.0.20.0090.01117.40
8.0.10.0000.00717.04
8.0.00.0090.00916.69
7.4.330.0050.00015.00
7.4.320.0040.00416.48
7.4.300.0000.00716.40
7.4.290.0070.00016.57
7.4.280.0030.00516.39
7.4.270.0030.00316.56
7.4.260.0030.00413.28
7.4.250.0040.00416.36
7.4.240.0040.00316.46
7.4.230.0000.00716.68
7.4.220.0030.01716.53
7.4.210.0100.00516.56
7.4.200.0030.00316.25
7.4.190.0000.00716.50
7.4.160.0090.00916.57
7.4.150.0130.00317.40
7.4.140.0100.00717.86
7.4.130.0070.01216.50
7.4.120.0130.00516.63
7.4.110.0070.01016.43
7.4.100.0070.01016.62
7.4.90.0100.00616.44
7.4.80.0110.00919.39
7.4.70.0070.01116.32
7.4.60.0100.01316.37
7.4.50.0040.00416.35
7.4.40.0040.00722.77
7.4.30.0080.00816.46
7.4.00.0040.01115.21
7.3.330.0050.00013.27
7.3.320.0050.00013.18
7.3.310.0020.00516.34
7.3.300.0070.00016.25
7.3.290.0030.01216.27
7.3.280.0100.00816.25
7.3.270.0150.00617.40
7.3.260.0160.01016.52
7.3.250.0100.00716.41
7.3.240.0120.01016.45
7.3.230.0130.00316.44
7.3.210.0100.00716.58
7.3.200.0030.01319.39
7.3.190.0060.01116.40
7.3.180.0150.00016.27
7.3.170.0130.00316.27
7.3.160.0130.00916.19
7.3.120.0090.00614.80
7.2.330.0060.01216.72
7.2.320.0080.00816.58
7.2.310.0090.00916.73
7.2.300.0030.01316.32
7.2.290.0150.00416.53
7.1.70.0060.00617.04
7.1.60.0160.00619.32
7.1.50.0000.01916.80
7.1.00.0100.06022.36
7.0.200.0150.00314.48
7.0.140.0000.07321.95
7.0.100.0030.07019.84
7.0.90.0130.06719.90
7.0.80.0200.06319.86
7.0.70.0000.08019.75
7.0.60.0070.05320.01
7.0.50.0100.08020.33
7.0.40.0130.07720.02
7.0.30.0130.07720.12
7.0.20.0100.06719.89
7.0.10.0070.08319.86
7.0.00.0100.07719.98
5.6.280.0070.07021.00
5.6.250.0130.04020.54
5.6.240.0070.05720.46
5.6.230.0100.04020.61
5.6.220.0170.07020.43
5.6.210.0000.07720.70
5.6.200.0100.07720.97
5.6.190.0070.05320.98
5.6.180.0170.07321.04
5.6.170.0200.07020.95
5.6.160.0000.08720.96
5.6.150.0170.07320.91
5.6.140.0030.08721.02
5.6.130.0000.06021.05
5.6.120.0000.04720.89
5.6.110.0030.04320.97
5.6.100.0000.04720.98
5.6.90.0000.04720.94
5.6.80.0070.03720.35
5.6.70.0030.04020.27
5.6.60.0000.04320.25
5.6.50.0000.04320.38
5.6.40.0100.03320.33
5.6.30.0000.05720.30
5.6.20.0030.04020.38
5.6.10.0100.03720.31
5.6.00.0030.03720.30
5.5.380.0070.07320.49
5.5.370.0100.08020.51
5.5.360.0130.08020.29
5.5.350.0200.05320.29
5.5.340.0170.07020.87
5.5.330.0200.07720.68
5.5.320.0070.08320.71
5.5.310.0030.06320.77
5.5.300.0070.08720.86
5.5.290.0070.05020.68
5.5.280.0070.04320.85
5.5.270.0030.05020.82
5.5.260.0000.04720.82
5.5.250.0070.04020.64
5.5.240.0030.04320.20
5.5.230.0070.03720.22
5.5.220.0100.03320.09
5.5.210.0130.03020.16
5.5.200.0070.04020.05
5.5.190.0000.04020.20
5.5.180.0070.03719.94
5.5.160.0070.03720.03
5.5.150.0030.04020.08
5.5.140.0100.03020.05
5.5.130.0100.05020.19
5.5.120.0070.03720.09
5.5.110.0030.04320.16
5.5.100.0100.03019.90
5.5.90.0030.03720.13
5.5.80.0100.03320.01
5.5.70.0070.03719.99
5.5.60.0030.04019.96
5.5.50.0030.03719.97
5.5.40.0030.04319.88
5.5.30.0130.03319.99
5.5.20.0070.03319.98
5.5.10.0100.03320.06
5.5.00.0000.03719.98
5.4.450.0070.06319.36
5.4.440.0070.04019.18
5.4.430.0030.04019.48
5.4.420.0070.04019.45
5.4.410.0030.04019.04
5.4.400.0000.04019.19
5.4.390.0000.04019.02
5.4.380.0000.04019.18
5.4.370.0070.03719.14
5.4.360.0100.05319.15
5.4.350.0030.06018.85
5.4.340.0000.04019.05
5.4.320.0000.04719.03
5.4.310.0000.04019.04
5.4.300.0030.03719.03
5.4.290.0070.03318.95
5.4.280.0000.04019.04
5.4.270.0100.03019.12
5.4.260.0100.03318.89
5.4.250.0070.04319.23
5.4.240.0030.03719.17
5.4.230.0070.03718.92
5.4.220.0100.03019.13
5.4.210.0000.04019.02
5.4.200.0030.03718.87
5.4.190.0030.03718.89
5.4.180.0070.03719.08
5.4.170.0070.03019.22
5.4.160.0030.03019.18
5.4.150.0030.03019.10
5.4.140.0070.03016.39
5.4.130.0000.03316.36
5.4.120.0070.03016.41
5.4.110.0000.04016.50
5.4.100.0130.07316.39
5.4.90.0130.03316.39
5.4.80.0000.04016.31
5.4.70.0100.02716.33
5.4.60.0100.07016.32
5.4.50.0100.07016.36
5.4.40.0070.07716.36
5.4.30.0000.08316.31
5.4.20.0030.03316.46
5.4.10.0030.04316.39
5.4.00.0130.06315.82
5.3.290.0000.04714.72
5.3.280.0000.04014.62
5.3.270.0070.03714.61
5.3.260.0100.03014.71
5.3.250.0070.03314.58
5.3.240.0000.03314.63
5.3.230.0030.04714.69
5.3.220.0070.03314.59
5.3.210.0070.03014.63
5.3.200.0100.04314.57
5.3.190.0030.08314.54
5.3.180.0100.07314.67
5.3.170.0030.07314.54
5.3.160.0070.07314.59
5.3.150.0000.07014.62
5.3.140.0070.06714.54
5.3.130.0070.07014.57
5.3.120.0070.07714.52
5.3.110.0000.08314.52
5.3.100.0130.07314.04
5.3.90.0070.08013.95
5.3.80.0000.08013.89
5.3.70.0070.04014.06
5.3.60.0070.04014.03
5.3.50.0070.06713.96
5.3.40.0070.05713.91
5.3.30.0130.06713.91
5.3.20.0030.06013.79
5.3.10.0130.06013.79
5.3.00.0130.06313.63
5.2.170.0030.03011.00
5.2.160.0000.03011.19
5.2.150.0000.03011.18
5.2.140.0030.06711.22
5.2.130.0070.05010.95
5.2.120.0000.03711.02
5.2.110.0000.05710.95
5.2.100.0100.05711.10
5.2.90.0100.05311.12
5.2.80.0100.05711.08
5.2.70.0030.06710.98
5.2.60.0070.06011.16
5.2.50.0070.06011.11
5.2.40.0070.06010.90
5.2.30.0170.04710.85
5.2.20.0070.06010.87
5.2.10.0070.05711.00
5.2.00.0070.05010.73
5.1.60.0100.0439.98
5.1.50.0030.0539.98
5.1.40.0130.04310.09
5.1.30.0070.02710.34
5.1.20.0070.04010.36
5.1.10.0030.05710.07
5.1.00.0030.04010.11
5.0.50.0030.0278.54
5.0.40.0000.0438.39
5.0.30.0070.0638.10
5.0.20.0030.0378.20
5.0.10.0030.0278.17
5.0.00.0100.0578.21
4.4.90.0000.0207.46
4.4.80.0000.0377.46
4.4.70.0000.0377.46
4.4.60.0070.0307.46
4.4.50.0070.0337.46
4.4.40.0000.0377.46
4.4.30.0030.0137.46
4.4.20.0000.0237.46
4.4.10.0100.0277.46
4.4.00.0000.0437.46
4.3.110.0030.0237.46
4.3.100.0000.0307.46
4.3.90.0030.0337.46
4.3.80.0030.0507.46
4.3.70.0000.0237.46
4.3.60.0030.0337.46
4.3.50.0070.0307.46
4.3.40.0000.0537.46
4.3.30.0030.0337.46
4.3.20.0000.0237.46
4.3.10.0000.0377.46
4.3.00.0070.0207.46

preferences:
49.53 ms | 401 KiB | 5 Q