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 = $bt[1]['args']; print_r($args); var_dump($args); foreach ($args as $arg); for ($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)
8.3.60.0100.01316.49
8.3.50.0270.00521.29
8.3.40.0140.00718.75
8.3.30.0130.00718.67
8.3.20.0090.00020.20
8.3.10.0140.00321.91
8.3.00.0120.00619.68
8.2.180.0040.01116.38
8.2.170.0120.00322.96
8.2.160.0150.00020.16
8.2.150.0120.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00917.63
8.2.110.0060.00322.25
8.2.100.0080.00417.63
8.2.90.0040.00419.35
8.2.80.0040.00417.97
8.2.70.0090.00017.74
8.2.60.0030.00518.05
8.2.50.0040.00418.07
8.2.40.0040.00419.13
8.2.30.0080.00020.02
8.2.20.0050.00317.75
8.2.10.0050.00218.13
8.2.00.0080.00018.09
8.1.280.0140.00725.92
8.1.270.0160.00320.24
8.1.260.0070.00026.35
8.1.250.0020.00528.09
8.1.240.0030.00622.46
8.1.230.0000.01117.42
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0050.01017.23
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0080.00018.65
8.1.160.0040.00422.06
8.1.150.0050.00218.95
8.1.140.0040.00417.41
8.1.130.0040.00417.76
8.1.120.0000.00717.44
8.1.110.0070.00017.42
8.1.100.0070.00017.38
8.1.90.0030.00317.41
8.1.80.0000.00717.38
8.1.70.0030.00317.43
8.1.60.0000.00917.50
8.1.50.0040.00417.52
8.1.40.0000.01217.49
8.1.30.0030.00717.68
8.1.20.0060.00317.56
8.1.10.0030.00517.57
8.1.00.0030.00617.44
8.0.300.0030.00618.77
8.0.290.0000.00716.75
8.0.280.0030.00318.43
8.0.270.0050.00317.25
8.0.260.0000.00617.26
8.0.250.0070.00016.82
8.0.240.0070.00016.97
8.0.230.0000.00716.99
8.0.220.0070.00016.95
8.0.210.0070.00016.76
8.0.200.0030.00316.95
8.0.190.0040.00416.99
8.0.180.0000.00716.87
8.0.170.0000.00816.80
8.0.160.0000.00716.95
8.0.150.0030.00316.75
8.0.140.0040.00416.84
8.0.130.0060.00013.27
8.0.120.0050.00316.88
8.0.110.0070.00016.93
8.0.100.0000.00816.79
8.0.90.0040.00416.78
8.0.80.0060.00916.86
8.0.70.0030.00516.70
8.0.60.0000.00716.69
8.0.50.0050.00316.86
8.0.30.0130.00416.98
8.0.20.0170.00517.40
8.0.10.0040.00417.00
8.0.00.0100.01116.83
7.4.330.0020.00215.08
7.4.320.0000.00716.42
7.4.300.0030.00616.51
7.4.290.0060.00316.59
7.4.280.0070.00016.55
7.4.270.0030.00516.61
7.4.260.0030.00316.44
7.4.250.0040.00416.46
7.4.240.0030.00316.59
7.4.230.0000.00716.50
7.4.220.0150.00916.43
7.4.210.0040.01516.60
7.4.200.0000.00716.61
7.4.160.0060.00916.66
7.4.150.0100.01017.40
7.4.140.0120.01117.86
7.4.130.0120.00716.51
7.4.120.0130.00516.44
7.4.110.0120.00616.51
7.4.100.0210.00316.71
7.4.90.0160.00316.59
7.4.80.0160.00719.39
7.4.70.0090.01216.36
7.4.60.0080.00816.41
7.4.50.0040.00416.35
7.4.40.0090.00916.45
7.4.30.0170.00016.44
7.4.00.0090.01014.74
7.3.330.0040.00413.18
7.3.320.0050.00013.38
7.3.310.0040.00416.27
7.3.300.0050.00216.38
7.3.290.0060.00816.33
7.3.280.0080.01216.36
7.3.270.0090.00917.40
7.3.260.0120.00616.79
7.3.250.0120.00816.43
7.3.240.0070.01016.41
7.3.230.0180.00016.50
7.3.210.0050.01016.33
7.3.200.0100.00716.54
7.3.190.0130.00616.48
7.3.180.0030.01316.57
7.3.170.0100.00716.45
7.3.160.0030.01316.55
7.3.120.0020.01514.92
7.3.110.0040.01214.81
7.3.100.0040.01414.89
7.3.90.0080.01014.89
7.3.80.0110.00714.81
7.3.70.0080.00914.75
7.3.60.0060.00814.73
7.3.50.0050.01214.66
7.3.40.0090.00814.71
7.3.30.0040.00814.68
7.3.20.0060.00715.73
7.3.10.0050.01015.93
7.3.00.0060.00616.08
7.2.330.0060.01216.69
7.2.320.0130.00916.63
7.2.310.0100.00716.81
7.2.300.0080.00816.64
7.2.290.0120.01216.81
7.2.250.0050.01215.06
7.2.240.0050.01315.10
7.2.230.0110.00515.29
7.2.220.0100.00915.09
7.2.210.0050.01115.10
7.2.200.0060.01014.91
7.2.190.0050.01115.15
7.2.180.0070.00915.14
7.2.170.0060.01115.08
7.2.160.0080.01114.75
7.2.150.0070.01115.05
7.2.140.0070.01014.97
7.2.130.0110.00715.96
7.2.120.0060.00915.80
7.2.110.0020.01415.88
7.2.100.0130.00615.74
7.2.90.0130.00715.96
7.2.80.0090.01015.93
7.2.70.0080.01216.08
7.2.60.0090.00616.32
7.2.50.0090.00716.06
7.2.40.0100.00816.01
7.2.30.0080.00915.82
7.2.20.0120.00716.09
7.2.10.0090.01215.94
7.2.00.0060.01117.13
7.1.330.0020.01214.97
7.1.320.0050.00814.93
7.1.310.0080.00815.03
7.1.300.0080.00814.98
7.1.290.0060.00514.81
7.1.280.0050.00714.87
7.1.270.0060.00714.99
7.1.260.0080.00715.04
7.1.250.0030.01014.94
7.1.240.0000.02413.98
7.1.230.0110.01114.02
7.1.220.0130.00613.87
7.1.210.0250.00013.86
7.1.200.0120.00614.78
7.1.190.0130.01114.12
7.1.180.0120.00613.98
7.1.170.0110.00813.75
7.1.160.0120.00913.66
7.1.150.0100.01013.99
7.1.140.0150.00913.89
7.1.130.0130.00513.72
7.1.120.0350.01113.90
7.1.110.0120.01213.85
7.1.100.0080.00716.09
7.1.90.0100.00913.70
7.1.80.0150.00614.15
7.1.70.0130.00615.58
7.1.60.0130.01316.90
7.1.50.0120.00815.50
7.1.40.0080.01713.82
7.1.30.0130.01013.85
7.1.20.0040.01313.84
7.1.10.0040.01313.90
7.1.00.0070.04218.27
7.0.330.0160.00413.61
7.0.320.0350.00013.69
7.0.310.0200.00013.54
7.0.300.0140.00513.73
7.0.290.0110.00813.75
7.0.280.0160.00313.66
7.0.270.0160.01013.50
7.0.260.0210.00613.56
7.0.250.0000.01913.67
7.0.240.0150.00313.49
7.0.230.0070.01513.81
7.0.220.0100.01013.81
7.0.210.0150.00813.69
7.0.200.0080.00715.30
7.0.190.0180.00813.46
7.0.180.0120.01213.57
7.0.170.0100.01013.80
7.0.160.0320.01413.67
7.0.150.0140.00913.70
7.0.140.0120.00613.63
7.0.130.0230.00413.59
7.0.120.0110.01013.24
7.0.110.0070.01013.70
7.0.100.0130.00313.16
7.0.90.0070.00713.31
7.0.80.0050.01213.32
7.0.70.0180.00013.51
7.0.60.0090.02516.68
7.0.50.0180.02215.58
7.0.40.0100.04816.95
7.0.30.0170.02116.91
7.0.20.0180.04316.97
7.0.10.0140.04316.95
7.0.00.0080.04116.75
5.6.400.0090.01214.57
5.6.390.0090.01214.38
5.6.380.0130.01014.14
5.6.370.0130.01014.08
5.6.360.0070.01014.15
5.6.350.0160.00014.14
5.6.340.0080.00813.88
5.6.330.0140.00714.16
5.6.320.0050.01414.29
5.6.310.0130.01014.12
5.6.300.0130.01014.01
5.6.290.0090.00914.16
5.6.280.0070.02917.66
5.6.270.0120.00614.39
5.6.260.0100.01014.32
5.6.250.0100.00513.93
5.6.240.0050.01114.23
5.6.230.0060.01014.44
5.6.220.0090.00914.04
5.6.210.0140.03717.44
5.6.200.0070.02616.25
5.6.190.0160.02417.55
5.6.180.2030.02317.57
5.6.170.0140.02617.21
5.6.160.0090.04817.29
5.6.150.0120.02316.15
5.6.140.0050.02616.14
5.6.130.0100.04816.09
5.6.120.0050.02717.67
5.6.110.0060.05117.44
5.6.100.0110.04617.66
5.6.90.0080.02717.73
5.6.80.0170.02917.41
5.6.70.0130.00614.27
5.6.60.0140.00414.13
5.6.50.0120.00814.07
5.6.40.0100.00713.93
5.6.30.0080.01414.17
5.6.20.0170.00314.30
5.6.10.0090.01214.22
5.6.00.0040.01614.09
5.5.380.0130.01314.38
5.5.370.0170.00514.47
5.5.360.0180.00914.39
5.5.350.0150.03617.35
5.5.340.0150.03616.16
5.5.330.0020.03317.26
5.5.320.1730.02817.28
5.5.310.0210.04117.34
5.5.300.0170.03816.13
5.5.290.0100.02315.97
5.5.280.0090.05117.72
5.5.270.0160.04417.61
5.5.260.0100.04717.49
5.5.250.0160.04517.27
5.5.240.2090.02017.23
5.5.230.0140.00814.31
5.5.220.0270.00014.18
5.5.210.0110.01014.15
5.5.200.0180.00414.35
5.5.190.0120.00914.54
5.5.180.0200.00314.29
5.5.170.0120.00714.20
5.5.160.0070.01114.36
5.5.150.0170.00714.38
5.5.140.0120.00914.05
5.5.130.0180.00714.48
5.5.120.0130.01214.22
5.5.110.0120.00814.27
5.5.100.0100.01314.41
5.5.90.0170.01014.37
5.5.80.0150.01014.27
5.5.70.0150.00914.20
5.5.60.0190.01014.05
5.5.50.0170.01414.52
5.5.40.0270.01114.14
5.5.30.0110.01514.11
5.5.20.0160.01214.36
5.5.10.0120.01214.12
5.5.00.0240.00514.41
5.4.450.0380.03915.33
5.4.440.0420.02815.17
5.4.430.0460.03215.38
5.4.420.0410.02715.33
5.4.410.0420.02515.35
5.4.400.0410.03015.06
5.4.390.0320.02915.22
5.4.380.0340.02815.04
5.4.370.0300.03015.18
5.4.360.0430.02715.12
5.4.350.0380.03215.11
5.4.340.0310.03215.04
5.4.330.0120.00311.01
5.4.320.0410.02814.91
5.4.310.0300.03715.21
5.4.300.0300.03715.29
5.4.290.0350.03214.95
5.4.280.0420.02715.18
5.4.270.0400.02915.10
5.4.260.0340.03015.12
5.4.250.0360.03415.26
5.4.240.0360.03315.02
5.4.230.0450.02515.16
5.4.220.0400.03314.85
5.4.210.0390.03615.12
5.4.200.0400.02815.23
5.4.190.0380.03315.10
5.4.180.0400.03214.95
5.4.170.0370.02814.97
5.4.160.0430.03515.14
5.4.150.0410.02914.96
5.4.140.0370.03113.77
5.4.130.0380.03513.85
5.4.120.0460.02813.81
5.4.110.0360.03013.63
5.4.100.0350.02513.92
5.4.90.0360.02513.84
5.4.80.0410.02613.99
5.4.70.0060.02113.85
5.4.60.0190.01713.85
5.4.50.0060.02813.63
5.4.40.0150.02013.76
5.4.30.0260.03513.85
5.4.20.0220.01913.78
5.4.10.0100.01011.19
5.4.00.0120.00611.18

preferences:
56.79 ms | 401 KiB | 5 Q