3v4l.org

run code in 300+ PHP versions simultaneously
<?php function brokenTrace($arg1, $arg2) { backtraceWrapper(); unset($arg1); backtraceWrapper(); unset($arg2); backtraceWrapper(); } function backtraceWrapper() { $bt = debug_backtrace(); $args = $bt[1]['args']; for ($i = 0; $i < count($args); $i++) { var_dump($args[$i]); } } brokenTrace("A", "B");

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)
8.3.60.0110.01116.50
8.3.50.0070.01521.14
8.3.40.0110.00418.81
8.3.30.0060.00918.66
8.3.20.0030.00620.25
8.3.10.0040.00421.90
8.3.00.0150.00319.52
8.2.180.0120.00318.16
8.2.170.0120.00322.96
8.2.160.0070.01320.36
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00017.50
8.2.110.0060.00320.86
8.2.100.0040.00717.78
8.2.90.0040.00417.75
8.2.80.0050.00318.82
8.2.70.0000.00817.80
8.2.60.0080.00017.93
8.2.50.0000.00918.10
8.2.40.0000.00720.61
8.2.30.0070.00019.97
8.2.20.0040.00417.64
8.2.10.0000.00818.12
8.2.00.0030.00618.16
8.1.280.0060.00925.92
8.1.270.0090.00920.19
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00023.79
8.1.230.0040.00720.96
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0030.00517.23
8.1.190.0080.00017.13
8.1.180.0000.00818.10
8.1.170.0060.00318.66
8.1.160.0070.00022.14
8.1.150.0000.00718.93
8.1.140.0080.00017.36
8.1.130.0000.00717.70
8.1.120.0000.00817.46
8.1.110.0000.00717.35
8.1.100.0000.00717.38
8.1.90.0000.00817.45
8.1.80.0030.00617.34
8.1.70.0030.00317.45
8.1.60.0030.00517.65
8.1.50.0000.00817.53
8.1.40.0080.00417.53
8.1.30.0070.00317.70
8.1.20.0000.00717.50
8.1.10.0000.00717.56
8.1.00.0030.00517.57
8.0.300.0020.00518.77
8.0.290.0040.00416.63
8.0.280.0050.00318.44
8.0.270.0030.00317.20
8.0.260.0000.00617.06
8.0.250.0000.00716.78
8.0.240.0030.00316.86
8.0.230.0070.00016.95
8.0.220.0050.00216.72
8.0.210.0040.00416.74
8.0.200.0030.00316.77
8.0.190.0080.00016.92
8.0.180.0040.00416.79
8.0.170.0040.00416.82
8.0.160.0030.00416.83
8.0.150.0040.00416.74
8.0.140.0000.00816.80
8.0.130.0000.00613.40
8.0.120.0050.00316.96
8.0.110.0030.00616.85
8.0.100.0000.00916.85
8.0.90.0060.00316.85
8.0.80.0090.00916.85
8.0.70.0040.00416.75
8.0.60.0000.00716.96
8.0.50.0040.00416.84
8.0.30.0100.00717.01
8.0.20.0130.00717.40
8.0.10.0000.01016.96
8.0.00.0100.01016.71
7.4.330.0000.00515.08
7.4.320.0060.00016.59
7.4.300.0030.00316.53
7.4.290.0070.00016.57
7.4.280.0000.00716.65
7.4.270.0040.00416.61
7.4.260.0070.00016.57
7.4.250.0000.00716.48
7.4.240.0020.00616.58
7.4.230.0000.00716.59
7.4.220.0120.00616.64
7.4.210.0090.00616.59
7.4.200.0070.00016.31
7.4.160.0030.01216.34
7.4.150.0090.00917.40
7.4.140.0110.01317.86
7.4.130.0080.01116.60
7.4.120.0110.00616.56
7.4.110.0060.01016.52
7.4.100.0190.00516.44
7.4.90.0090.01016.49
7.4.80.0060.01019.39
7.4.70.0100.00616.53
7.4.60.0060.01016.51
7.4.50.0030.00616.48
7.4.40.0120.00616.41
7.4.30.0160.00416.57
7.4.00.0070.00714.96
7.3.330.0000.00813.35
7.3.320.0050.00013.34
7.3.310.0020.00516.17
7.3.300.0070.00016.32
7.3.290.0080.00816.34
7.3.280.0060.01116.33
7.3.270.0120.00617.40
7.3.260.0170.00316.35
7.3.250.0120.00816.33
7.3.240.0110.00716.34
7.3.230.0100.00716.39
7.3.210.0160.00016.50
7.3.200.0150.00716.39
7.3.190.0070.01016.28
7.3.180.0090.00616.48
7.3.170.0030.01316.53
7.3.160.0070.00916.35
7.3.120.0140.00314.98
7.3.110.0080.00814.63
7.3.100.0110.00414.85
7.3.90.0090.00314.91
7.3.80.0100.00714.73
7.3.70.0030.01014.65
7.3.60.0060.00614.89
7.3.50.0000.01614.71
7.3.40.0000.01414.67
7.3.30.0130.00314.96
7.3.20.0070.00416.72
7.3.10.0080.00616.82
7.3.00.0080.00416.27
7.2.330.0050.01316.36
7.2.320.0070.01716.55
7.2.310.0000.01616.76
7.2.300.0130.00316.59
7.2.290.0110.01116.39
7.2.250.0120.00614.97
7.2.240.0030.01615.05
7.2.230.0030.00715.05
7.2.220.0060.01015.04
7.2.210.0060.01014.91
7.2.200.0040.01115.20
7.2.190.0060.00615.14
7.2.180.0090.00914.89
7.2.170.0030.00814.87
7.2.60.0060.01017.01
7.2.00.0040.00819.43
7.1.330.0030.01416.06
7.1.320.0070.01015.87
7.1.310.0070.01015.79
7.1.300.0130.00315.88
7.1.290.0070.01015.87
7.1.280.0030.00615.57
7.1.270.0070.00715.76
7.1.260.0080.00815.86
7.1.200.0090.00315.71
7.1.100.0030.00917.77
7.1.70.0180.00316.85
7.1.60.0100.01420.03
7.1.50.0100.01716.94
7.1.00.0070.09022.48
7.0.200.0040.00416.77
7.0.60.0130.07719.82
7.0.50.0070.08017.87
7.0.40.0070.05020.26
7.0.30.0400.07320.13
7.0.20.0370.04320.38
7.0.10.0170.04720.08
7.0.00.0070.04020.10
5.6.280.0030.03321.11
5.6.210.0170.07320.65
5.6.200.0070.07018.29
5.6.190.0170.07720.64
5.6.180.0030.04020.57
5.6.170.0270.07320.54
5.6.160.0030.05720.57
5.6.150.0030.08318.25
5.6.140.0100.03718.24
5.6.130.0070.07318.28
5.6.120.0000.08321.13
5.6.110.0000.09020.99
5.6.100.0100.08020.96
5.6.90.0070.07721.13
5.6.80.0030.03720.43
5.6.70.3870.04020.39
5.5.350.0000.09020.40
5.5.340.0070.05718.08
5.5.330.0100.07720.47
5.5.320.0330.04720.35
5.5.310.0300.04320.27
5.5.300.0030.08318.08
5.5.290.0070.08717.99
5.5.280.0070.05720.88
5.5.270.0130.08020.87
5.5.260.0100.08020.88
5.5.250.0200.07320.59
5.5.240.0070.03720.05
5.4.450.0130.06019.20
5.4.440.0200.05019.35
5.4.430.0270.04719.70
5.4.420.0070.06019.57
5.4.410.0170.05719.32
5.4.400.0130.05719.29
5.4.390.0230.04319.26
5.4.380.0170.05019.12
5.4.370.0100.05719.23
5.4.360.0230.05019.29
5.4.350.0130.05719.26
5.4.340.0230.04719.26
5.4.320.0170.07318.87
5.4.310.0300.05718.89
5.4.300.0230.04319.06
5.4.290.0400.04319.28
5.4.280.0530.05719.25
5.4.270.0530.05319.27
5.4.260.0500.05718.84
5.4.250.0630.04319.26
5.4.240.0530.05319.05
5.4.230.0300.05719.25
5.4.220.0170.05018.86
5.4.210.0330.05019.00
5.4.200.0130.05019.25
5.4.190.0230.06019.24
5.4.180.0500.05019.11
5.4.170.0100.05019.30
5.4.160.0100.05318.85
5.4.150.0170.05319.29
5.4.140.0130.05316.53
5.4.130.0330.06016.33
5.4.120.0230.04016.61
5.4.110.0100.05016.67
5.4.100.0100.05016.48
5.4.90.0170.04716.59
5.4.80.0230.03716.61
5.4.70.0000.03716.39
5.4.60.0030.03316.34
5.4.50.0030.05716.34
5.4.40.0030.03716.22
5.4.30.0370.05016.16
5.4.20.0400.05716.50
5.4.10.0030.04716.48

preferences:
54.76 ms | 401 KiB | 5 Q