3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() { b(); } function b() { c(); } function c() { d(); } function d() { e(); } function e() { var_dump(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3)); } 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)
8.3.60.0070.01016.59
8.3.50.0110.00917.43
8.3.40.0100.00618.52
8.3.30.0000.01418.34
8.3.20.0030.00518.47
8.3.10.0000.00818.51
8.3.00.0060.00319.08
8.2.180.0110.00418.42
8.2.170.0060.00922.96
8.2.160.0120.00418.55
8.2.150.0000.00824.18
8.2.140.0120.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00421.02
8.2.110.0090.00020.42
8.2.100.0030.00917.59
8.2.90.0030.00517.48
8.2.80.0060.00318.48
8.2.70.0000.00917.38
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0040.00419.23
8.2.30.0030.00617.56
8.2.20.0060.00517.42
8.2.10.0000.00817.51
8.2.00.0050.00517.61
8.1.270.0000.00823.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.78
8.1.230.0040.00721.04
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0040.00417.23
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0040.00418.64
8.1.160.0040.00418.94
8.1.150.0040.00418.48
8.1.140.0040.00417.39
8.1.130.0040.00417.34
8.1.120.0040.00417.28
8.1.110.0000.00717.39
8.1.100.0040.00417.29
8.1.90.0000.00717.37
8.1.80.0000.00817.32
8.1.70.0030.00317.25
8.1.60.0000.00917.51
8.1.50.0040.00417.38
8.1.40.0000.00917.48
8.1.30.0050.00317.60
8.1.20.0030.00517.50
8.1.10.0040.00417.30
8.1.00.0000.00817.20
8.0.300.0080.00018.77
8.0.290.0040.00416.58
8.0.280.0030.00318.51
8.0.270.0040.00417.13
8.0.260.0000.00816.60
8.0.250.0080.00316.85
8.0.240.0030.00316.89
8.0.230.0000.00716.80
8.0.220.0040.00416.65
8.0.210.0050.00316.64
8.0.200.0030.00316.71
8.0.190.0030.00516.85
8.0.180.0040.00416.80
8.0.170.0000.00816.70
8.0.160.0000.00716.78
8.0.150.0030.00516.68
8.0.140.0070.00316.59
8.0.130.0050.00013.24
8.0.120.0080.00016.62
8.0.110.0070.00016.58
8.0.100.0040.00416.71
8.0.90.0040.00416.78
8.0.80.0060.01216.71
8.0.70.0040.00416.59
8.0.60.0000.00816.80
8.0.50.0060.00316.83
8.0.30.0060.01316.99
8.0.20.0110.00816.87
8.0.10.0070.00016.78
8.0.00.0080.01216.83
7.4.330.0020.00212.85
7.4.320.0040.00416.46
7.4.300.0030.00616.55
7.4.290.0000.00716.54
7.4.280.0040.00416.55
7.4.270.0040.00416.42
7.4.260.0030.00313.15
7.4.250.0000.00716.52
7.4.240.0000.00716.34
7.4.230.0030.00316.43
7.4.220.0110.00816.57
7.4.210.0150.00616.54
7.4.200.0000.00716.34
7.4.190.0040.00416.40
7.4.160.0120.01216.33
7.4.150.0120.00616.48
7.4.140.0110.00717.86
7.4.130.0090.00916.39
7.4.120.0080.01116.30
7.4.110.0130.01016.38
7.4.100.0170.00016.24
7.4.90.0100.01016.43
7.4.80.0100.00719.39
7.4.70.0090.00616.40
7.4.60.0100.00616.36
7.4.50.0030.00316.29
7.4.40.0070.00716.47
7.4.30.0100.01016.48
7.4.00.0120.00315.04
7.3.330.0030.00313.05
7.3.320.0060.00013.02
7.3.310.0040.00416.28
7.3.300.0040.00416.10
7.3.290.0090.00816.24
7.3.280.0070.01116.17
7.3.270.0110.00716.27
7.3.260.0090.01216.56
7.3.240.0070.01116.49
7.3.230.0060.01116.19
7.3.210.0070.01316.41
7.3.200.0070.01016.18
7.3.190.0130.00316.52
7.3.180.0140.00216.24
7.3.170.0090.01316.32
7.3.160.0030.01416.19
7.3.120.0070.01014.67
7.2.330.0180.00016.48
7.2.320.0170.00616.43
7.2.310.0170.00716.35
7.2.300.0090.01216.49
7.2.290.0110.00516.23
7.2.00.0030.01319.34
7.1.100.0060.00618.01
7.1.70.0000.00917.17
7.1.60.0180.00719.25
7.1.50.0040.01816.86
7.1.00.0030.07322.48
7.0.200.0030.00716.62
7.0.140.0030.07322.18
7.0.120.0000.07322.00
7.0.60.0130.07719.92
7.0.50.0130.08317.86
7.0.40.0130.06720.11
7.0.30.0130.05320.18
7.0.20.0030.05020.02
7.0.10.0100.08320.14
7.0.00.0030.04320.17
5.6.280.0070.07020.82
5.6.210.0130.08020.71
5.6.200.0000.04318.19
5.6.190.0030.07720.61
5.6.180.0100.08020.41
5.6.170.0100.07720.61
5.6.160.0130.07720.45
5.6.150.0070.07020.17
5.6.140.0130.04320.40
5.6.130.0030.08720.43
5.6.120.0030.09020.49
5.6.110.0000.04720.23
5.6.100.0170.04020.30
5.6.90.0100.05720.39
5.6.80.0070.07719.57
5.6.70.0030.04019.57
5.6.60.0070.03719.55
5.6.50.0000.04319.82
5.6.40.0000.04319.79
5.6.30.0030.04319.76
5.6.20.0030.04019.59
5.6.10.0070.03719.86
5.6.00.0000.04319.69
5.5.350.0170.08020.44
5.5.340.0030.08317.97
5.5.330.0030.06320.46
5.5.320.0170.07320.27
5.5.310.0070.08320.40
5.5.300.0100.08720.13
5.5.290.0170.07320.14
5.5.280.0100.08020.04
5.5.270.0100.05020.29
5.5.260.0130.07320.30
5.5.250.0100.07719.81
5.5.240.0000.05319.71
5.5.230.0000.04319.58
5.5.220.0070.03719.43
5.5.210.0100.03319.58
5.5.200.0030.03719.49
5.5.190.0070.03719.55
5.5.180.0030.03719.36
5.5.160.0030.04019.64
5.5.150.0030.04019.48
5.5.140.0130.04019.34
5.5.130.0200.03319.58
5.5.120.0130.04319.54
5.5.110.0070.04019.58
5.5.100.0070.03719.37
5.5.90.0070.03719.54
5.5.80.0070.04719.54
5.5.70.0070.03719.24
5.5.60.0030.04719.44
5.5.50.0070.03719.41
5.5.40.0130.03019.48
5.5.30.0030.03719.28
5.5.20.0100.03319.49
5.5.10.0030.04019.46
5.5.00.0030.04319.36
5.4.450.0070.08019.49
5.4.440.0000.04719.47
5.4.430.0030.08019.29
5.4.420.0100.08019.48
5.4.410.0000.07019.34
5.4.400.0070.04319.15
5.4.390.0030.03719.00
5.4.380.0070.04319.16
5.4.370.0030.03718.93
5.4.360.0030.03719.01
5.4.350.0100.03019.25
5.4.340.0030.03719.24
5.4.320.0070.03319.12
5.4.310.0030.03719.15
5.4.300.0030.03718.85
5.4.290.0030.07719.00
5.4.280.0070.06718.95
5.4.270.0000.04019.08
5.4.260.0030.03719.24
5.4.250.0070.03319.23
5.4.240.0070.03319.00
5.4.230.0030.03719.17
5.4.220.0070.03318.86
5.4.210.0070.03719.14
5.4.200.0070.03319.14
5.4.190.0000.04019.20
5.4.180.0070.03319.04
5.4.170.0100.03019.08
5.4.160.0100.03019.14
5.4.150.0070.03319.18
5.4.140.0030.03716.36
5.4.130.0030.03316.50
5.4.120.0000.03716.35
5.4.110.0070.03016.72
5.4.100.0030.04716.48
5.4.90.0070.03016.50
5.4.80.0070.07016.71
5.4.70.0170.06716.47
5.4.60.0100.05716.39
5.4.50.0070.05316.39
5.4.40.0070.07716.34
5.4.30.0100.05316.38
5.4.20.0130.06316.31
5.4.10.0070.07016.64
5.4.00.0130.06315.73
5.3.290.0030.03714.61
5.3.280.0000.04014.62
5.3.270.0000.04014.70
5.3.260.0030.03714.66
5.3.250.0030.03314.75
5.3.240.0000.03714.67
5.3.230.0000.04014.61
5.3.220.0100.03014.64
5.3.210.0070.04714.65
5.3.200.0000.03714.60
5.3.190.0000.04314.60
5.3.180.0070.03314.46
5.3.170.0100.03314.58
5.3.160.0130.06714.71
5.3.150.0000.08014.62
5.3.140.0130.06714.61
5.3.130.0070.07714.70
5.3.120.0030.06014.55
5.3.110.0030.08714.56
5.3.100.0070.07014.08
5.3.90.0000.05714.18
5.3.80.0100.04014.02
5.3.70.0070.06014.09
5.3.60.0070.04713.96
5.3.50.0070.04013.96
5.3.40.0000.04013.96
5.3.30.0000.04013.90
5.3.20.0070.03313.77
5.3.10.0100.06713.72
5.3.00.0100.04713.64
5.2.170.0030.03011.18
5.2.160.0000.03011.05
5.2.150.0100.02311.30
5.2.140.0030.03011.21
5.2.130.0100.03311.17
5.2.120.0030.03011.04
5.2.110.0030.04311.14
5.2.100.0070.04011.06
5.2.90.0070.03311.09
5.2.80.0030.03311.09
5.2.70.0070.06011.24
5.2.60.0000.03711.09
5.2.50.0030.06311.08
5.2.40.0070.06011.07
5.2.30.0070.05010.93
5.2.20.0030.03310.86
5.2.10.0030.06010.75
5.2.00.0000.05310.64
5.1.60.0070.03710.07
5.1.50.0030.04310.04
5.1.40.0070.05310.02
5.1.30.0070.05010.31
5.1.20.0070.05310.39
5.1.10.0070.05010.12
5.1.00.0000.04310.12
5.0.50.0100.0408.52
5.0.40.0030.0208.48
5.0.30.0030.0608.29
5.0.20.0000.0378.19
5.0.10.0070.0238.19
5.0.00.0000.0578.18
4.4.90.0000.0237.14
4.4.80.0070.0307.14
4.4.70.0030.0377.14
4.4.60.0030.0207.14
4.4.50.0000.0377.14
4.4.40.0000.0337.14
4.4.30.0030.0277.14
4.4.20.0000.0377.14
4.4.10.0030.0307.14
4.4.00.0000.0407.14
4.3.110.0030.0207.14
4.3.100.0100.0307.14
4.3.90.0030.0337.14
4.3.80.0070.0507.14
4.3.70.0000.0237.14
4.3.60.0030.0277.14
4.3.50.0000.0207.14
4.3.40.0000.0277.14
4.3.30.0030.0337.14
4.3.20.0070.0337.14
4.3.10.0000.0377.14
4.3.00.0000.0377.14

preferences:
61.46 ms | 400 KiB | 5 Q