3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { const A = 'a'; } echo A::A; runkit_redefine_constant('A::A', 'b'); echo A::A;

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)
8.3.60.0030.01016.63
8.3.50.0120.00717.47
8.3.40.0110.00418.90
8.3.30.0110.00418.85
8.3.20.0040.00418.77
8.3.10.0030.00620.48
8.3.00.0080.00017.38
8.2.180.0170.00316.38
8.2.170.0080.00822.96
8.2.160.0100.00722.25
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00419.77
8.2.110.0060.00320.93
8.2.100.0090.00317.75
8.2.90.0030.00619.25
8.2.80.0000.00817.93
8.2.70.0050.00317.50
8.2.60.0030.00517.80
8.2.50.0000.00818.07
8.2.40.0080.00019.76
8.2.30.0030.00617.88
8.2.20.0040.00417.64
8.2.10.0030.00517.50
8.2.00.0050.00317.55
8.1.280.0140.00725.92
8.1.270.0000.00824.66
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00920.82
8.1.230.0000.01120.97
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0040.00417.28
8.1.180.0040.00418.10
8.1.170.0040.00418.90
8.1.160.0040.00418.81
8.1.150.0030.00518.59
8.1.140.0060.00317.26
8.1.130.0000.00617.68
8.1.120.0030.00317.33
8.1.110.0050.00217.21
8.1.100.0040.00417.25
8.1.90.0070.00017.40
8.1.80.0020.00517.34
8.1.70.0000.00717.33
8.1.60.0030.00517.43
8.1.50.0080.00017.39
8.1.40.0040.00417.44
8.1.30.0000.00817.48
8.1.20.0030.00617.64
8.1.10.0000.00717.55
8.1.00.0000.00817.39
8.0.300.0040.00419.98
8.0.290.0040.00416.75
8.0.280.0000.00718.50
8.0.270.0030.00517.27
8.0.260.0000.00716.79
8.0.250.0000.00716.95
8.0.240.0040.00416.96
8.0.230.0000.00716.86
8.0.220.0030.00316.82
8.0.210.0070.00016.89
8.0.200.0060.00017.00
8.0.190.0030.00616.95
8.0.180.0040.00416.87
8.0.170.0000.00716.97
8.0.160.0000.00716.81
8.0.150.0030.00616.90
8.0.140.0030.00316.75
8.0.130.0030.00313.25
8.0.120.0000.00716.79
8.0.110.0000.00816.77
8.0.100.0040.00416.86
8.0.90.0040.00416.73
8.0.80.0060.01016.93
8.0.70.0070.00016.69
8.0.60.0040.00416.94
8.0.50.0050.00216.76
8.0.30.0100.00717.05
8.0.20.0080.01017.16
8.0.10.0030.00516.77
8.0.00.0090.01116.87
7.4.330.0000.00514.53
7.4.320.0030.00316.43
7.4.300.0030.00316.39
7.4.290.0030.00316.53
7.4.280.0080.00016.53
7.4.270.0000.00716.43
7.4.260.0030.00313.19
7.4.250.0040.00416.54
7.4.240.0000.00716.44
7.4.230.0000.00716.34
7.4.220.0030.01216.59
7.4.210.0070.00916.46
7.4.200.0030.00316.19
7.4.190.0050.00316.64
7.4.160.0160.00616.47
7.4.150.0060.01317.07
7.4.140.0110.01017.16
7.4.130.0100.01016.46
7.4.120.0090.00916.53
7.4.110.0080.01216.72
7.4.100.0000.01716.52
7.4.90.0100.00716.23
7.4.80.0090.01418.80
7.4.70.0120.00316.39
7.4.60.0090.00616.38
7.4.50.0040.00422.14
7.4.40.0000.01621.69
7.4.30.0060.01016.39
7.4.00.0060.00914.59
7.3.330.0030.00313.30
7.3.320.0000.00613.16
7.3.310.0000.00616.33
7.3.300.0000.00616.34
7.3.290.0030.01616.31
7.3.280.0070.01016.31
7.3.270.0150.00317.07
7.3.260.0110.00618.24
7.3.250.0130.00816.55
7.3.240.0060.01016.60
7.3.230.0160.00016.59
7.3.210.0050.01416.59
7.3.200.0090.01219.39
7.3.190.0170.00316.35
7.3.180.0040.01116.28
7.3.170.0090.00616.49
7.3.160.0090.00616.47
7.3.120.0070.00715.04
7.3.10.0040.00716.54
7.3.00.0030.01416.71
7.2.330.0090.00916.59
7.2.320.0130.01016.64
7.2.310.0100.01016.38
7.2.300.0130.00416.35
7.2.290.0130.00316.38
7.2.130.0000.01516.73
7.2.120.0030.01216.85
7.2.110.0030.00616.98
7.2.100.0030.00916.89
7.2.90.0070.00716.92
7.2.80.0020.01216.70
7.2.70.0060.00616.65
7.2.60.0040.00816.83
7.2.50.0060.00616.79
7.2.40.0060.00316.72
7.2.30.0000.01316.91
7.2.20.0080.00416.89
7.2.10.0060.00316.92
7.2.00.0000.01116.71
7.1.250.0000.01315.79
7.1.200.0100.00315.81
7.1.100.0000.01117.91
7.1.70.0000.00816.97
7.1.60.0110.01419.40
7.1.50.0140.01016.82
7.1.00.0100.06322.30
7.0.200.0030.00716.80
7.0.140.0070.07321.99
7.0.120.0000.03322.16
7.0.60.0030.09019.94
7.0.50.0130.04717.87
7.0.40.0000.06020.16
7.0.30.0200.06720.09
7.0.20.0330.04320.24
7.0.10.0100.03720.12
7.0.00.0070.08320.16
5.6.280.0070.07020.85
5.6.210.0030.08720.74
5.6.200.0070.03718.27
5.6.190.0030.09020.33
5.6.180.3030.03720.41
5.6.170.0300.03720.48
5.6.160.0130.04320.54
5.6.150.0070.08718.19
5.6.140.0130.07018.18
5.6.130.0100.07018.18
5.6.120.0070.05321.14
5.6.110.0030.04321.02
5.6.100.0000.04321.13
5.6.90.0070.07321.07
5.6.80.0070.07020.47
5.5.350.0230.04320.46
5.5.340.0100.07717.98
5.5.330.0100.07020.18
5.5.320.0230.04320.30
5.5.310.1300.05320.34
5.5.300.0070.08318.04
5.5.290.0170.07018.07
5.5.280.0100.07320.63
5.5.270.0100.04020.86
5.5.260.0130.07020.86
5.5.250.0100.05720.46
5.5.240.0070.07020.07
5.4.450.0130.08019.57
5.4.440.0100.08319.44
5.4.430.0130.06319.48
5.4.420.0070.04019.19
5.4.410.0000.05019.35
5.4.400.0070.07718.86
5.4.390.0130.03718.86
5.4.380.0130.06319.24
5.4.370.0170.06719.00
5.4.360.0070.07018.85
5.4.350.0100.06019.16
5.4.340.0170.06019.07
5.4.320.0100.03319.16
5.4.310.0070.03719.24
5.4.300.0000.04019.16
5.4.290.0100.03019.24
5.4.280.0030.03718.97
5.4.270.0100.03019.22
5.4.260.0100.03719.07
5.4.250.0030.03719.14
5.4.240.0030.03719.23
5.4.230.0030.03719.19
5.4.220.0070.03319.20
5.4.210.0000.04018.84
5.4.200.0070.03319.11
5.4.190.0030.03719.14
5.4.180.0030.03719.23
5.4.170.0030.03718.96
5.4.160.0070.03318.95
5.4.150.0000.04018.82
5.4.140.0100.02716.51
5.4.130.0100.03316.49
5.4.120.0000.03716.54
5.4.110.0000.03716.47
5.4.100.0070.03316.30
5.4.90.0070.03016.67
5.4.80.0030.03316.52
5.4.70.0030.03316.42
5.4.60.0130.03016.25
5.4.50.0030.07716.64
5.4.40.0130.05316.43
5.4.30.0030.05016.38
5.4.20.0030.05316.35
5.4.10.0070.07316.39
5.4.00.0070.07715.73
5.3.290.0030.03714.80
5.3.280.0000.04314.58
5.3.270.0000.04714.52
5.3.260.0030.03714.52
5.3.250.0000.04014.63
5.3.240.0100.03014.62
5.3.230.0000.04014.49
5.3.220.0000.03714.60
5.3.210.0030.03714.47
5.3.200.0030.04014.61
5.3.190.0130.03014.60
5.3.180.0000.03714.57
5.3.170.0070.03314.56
5.3.160.0100.03014.61
5.3.150.0070.07314.59
5.3.140.0070.04014.54
5.3.130.0030.03714.54
5.3.120.0030.03714.61
5.3.110.0030.06314.59
5.3.100.0070.04014.03
5.3.90.0070.06013.90
5.3.80.0070.06014.02
5.3.70.0130.07013.96
5.3.60.0070.04714.15
5.3.50.0000.04313.99
5.3.40.0000.04014.00
5.3.30.0070.05013.97
5.3.20.0000.06013.74
5.3.10.0070.07313.70
5.3.00.0100.06013.71
5.2.170.0030.04311.15
5.2.160.0030.03311.30
5.2.150.0100.04711.09
5.2.140.0070.06311.28
5.2.130.0100.02711.09
5.2.120.0030.04311.16
5.2.110.0100.06011.12
5.2.100.0100.03010.97
5.2.90.0000.04711.15
5.2.80.0030.06311.13
5.2.70.0070.06011.01
5.2.60.0000.05310.99
5.2.50.0100.02710.98
5.2.40.0030.03011.06
5.2.30.0030.04711.02
5.2.20.0070.04011.00
5.2.10.0070.03010.86
5.2.00.0000.03710.70
5.1.60.0070.0379.97
5.1.50.0070.05310.04
5.1.40.0000.05010.03
5.1.30.0100.05010.32
5.1.20.0000.03010.33
5.1.10.0000.04310.21
5.1.00.0000.06010.22
5.0.50.0000.0278.50
5.0.40.0030.0408.56
5.0.30.0030.0378.36
5.0.20.0030.0378.16
5.0.10.0070.0238.14
5.0.00.0030.0338.13
4.4.90.0070.0277.88
4.4.80.0000.0207.88
4.4.70.0000.0177.88
4.4.60.0000.0237.88
4.4.50.0000.0207.88
4.4.40.0030.0437.88
4.4.30.0030.0377.88
4.4.20.0000.0337.88
4.4.10.0070.0237.88
4.4.00.0000.0337.88
4.3.110.0000.0177.88
4.3.100.0000.0337.88
4.3.90.0030.0237.88
4.3.80.0030.0237.88
4.3.70.0000.0177.88
4.3.60.0000.0137.88
4.3.50.0030.0307.88
4.3.40.0000.0377.88
4.3.30.0000.0377.88
4.3.20.0000.0377.88
4.3.10.0000.0407.88
4.3.00.0000.0377.88

preferences:
44.36 ms | 401 KiB | 5 Q