3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!defined('PHP_VERSION_ID')) { $version = explode('.', PHP_VERSION); define('PHP_VERSION_ID', ($version[0] * 10000 + $version[1] * 100 + $version[2])); } function a($depth = 0) { //return last backtrace call. If backtrace bigger then 3, return third call. if($depth === 1000) { if(PHP_VERSION_ID >= 50400) { return array_slice(array_filter(array_slice(debug_backtrace(~ DEBUG_BACKTRACE_PROVIDE_OBJECT & ~ DEBUG_BACKTRACE_IGNORE_ARGS, 3), 0, 3)), -1, 1); } elseif(PHP_VERSION_ID >= 50306) { return array_slice(array_filter(array_slice(debug_backtrace(~ DEBUG_BACKTRACE_PROVIDE_OBJECT), 0, 3)), -1, 1); } elseif(PHP_VERSION_ID >= 50205) { return array_slice(array_filter(array_slice(debug_backtrace(FALSE), 0, 3)), -1, 1); } else return array_slice(array_filter(array_slice(debug_backtrace(), 0, 3)), -1, 1); } return a(++$depth, str_repeat("a", 1000)); } var_dump(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)
8.3.60.0100.01020.25
8.3.50.0070.01223.16
8.3.40.0100.00720.34
8.3.30.0060.01020.67
8.3.20.0090.00021.79
8.3.10.0040.00424.18
8.3.00.0070.00724.61
8.2.180.0070.01018.25
8.2.170.0100.01322.96
8.2.160.0120.00622.95
8.2.150.0060.00324.18
8.2.140.0030.00624.66
8.2.130.0060.00626.16
8.2.120.0000.00821.21
8.2.110.0060.00324.08
8.2.100.0060.00619.41
8.2.90.0000.00920.71
8.2.80.0000.00819.43
8.2.70.0030.00619.13
8.2.60.0060.00319.43
8.2.50.0100.00019.00
8.2.40.0040.00419.78
8.2.30.0030.00519.68
8.2.20.0030.00619.20
8.2.10.0030.00519.30
8.2.00.0000.00919.33
8.1.280.0090.00625.92
8.1.270.0030.00623.64
8.1.260.0030.00626.35
8.1.250.0060.00328.09
8.1.240.0060.00325.91
8.1.230.0080.00420.79
8.1.220.0060.00319.16
8.1.210.0040.00418.86
8.1.200.0030.00718.86
8.1.190.0090.00318.93
8.1.180.0060.00320.23
8.1.170.0080.00020.18
8.1.160.0060.00323.71
8.1.150.0030.00520.18
8.1.140.0060.00318.91
8.1.130.0000.00819.31
8.1.120.0000.00819.04
8.1.110.0080.00019.02
8.1.100.0040.00419.04
8.1.90.0000.00818.96
8.1.80.0000.00718.91
8.1.70.0000.00719.02
8.1.60.0060.00319.20
8.1.50.0030.00719.04
8.1.40.0060.00319.11
8.1.30.0030.00619.21
8.1.20.0030.00619.27
8.1.10.0030.00619.10
8.1.00.0000.00818.98
8.0.300.0080.00018.91
8.0.290.0050.00318.55
8.0.280.0050.00319.86
8.0.270.0090.00018.65
8.0.260.0030.00618.29
8.0.250.0000.00818.46
8.0.240.0040.00418.53
8.0.230.0040.00718.47
8.0.220.0020.00518.41
8.0.210.0050.00318.51
8.0.200.0000.00718.39
8.0.190.0070.00318.39
8.0.180.0030.00518.52
8.0.170.0060.00318.37
8.0.160.0050.00318.48
8.0.150.0030.00518.29
8.0.140.0030.00518.26
8.0.130.0060.00014.88
8.0.120.0060.00318.39
8.0.110.0030.00618.41
8.0.100.0060.00318.48
8.0.90.0000.00818.31
8.0.80.0130.00318.42
8.0.70.0030.00518.24
8.0.60.0040.00418.27
8.0.50.0030.00518.29
8.0.30.0140.01018.76
8.0.20.0160.00518.63
8.0.10.0000.00918.44
8.0.00.0150.00618.39
7.4.330.0060.00015.00
7.4.320.0080.00018.12
7.4.300.0000.00718.15
7.4.290.0000.00817.98
7.4.280.0080.00017.95
7.4.270.0000.00718.20
7.4.260.0040.00418.09
7.4.250.0090.00017.93
7.4.240.0040.00418.08
7.4.230.0050.00318.24
7.4.220.0120.00818.18
7.4.210.0090.00818.02
7.4.200.0060.00318.03
7.4.190.0040.00418.24
7.4.160.0140.01118.33
7.4.150.0150.01217.95
7.4.140.0050.01518.11
7.4.130.0110.00918.00
7.4.120.0110.00918.00
7.4.110.0280.00717.99
7.4.100.0160.00718.25
7.4.90.0080.01117.86
7.4.80.0160.00719.39
7.4.70.0200.00318.07
7.4.60.0120.00617.98
7.4.50.0000.00917.60
7.4.40.0100.00722.77
7.4.30.0120.01218.12
7.4.10.0040.01816.82
7.4.00.0080.01016.41
7.3.330.0030.00314.93
7.3.320.0000.00614.96
7.3.310.0000.00817.85
7.3.300.0070.00017.98
7.3.290.0070.01017.95
7.3.280.0100.00818.01
7.3.270.0140.01118.00
7.3.260.0100.01018.28
7.3.250.0100.01017.97
7.3.240.0040.01618.23
7.3.230.0140.00718.08
7.3.210.0100.01017.96
7.3.200.0180.00719.39
7.3.190.0090.01617.99
7.3.180.0070.01118.12
7.3.170.0180.00017.89
7.3.160.0070.01118.11
7.3.130.0060.01516.41
7.3.120.0110.01016.38
7.3.110.0130.01016.32
7.3.100.0100.00716.29
7.3.90.0040.01916.37
7.3.80.0100.00916.60
7.3.70.0080.00816.38
7.3.60.0090.00916.28
7.3.50.0130.00616.18
7.3.40.0070.00316.19
7.3.30.0000.01116.43
7.3.20.0000.01118.34
7.3.10.0110.00718.67
7.3.00.0100.00618.56
7.2.330.0150.00618.26
7.2.320.0060.01718.22
7.2.310.0120.01218.05
7.2.300.0060.01418.32
7.2.290.0130.00618.13
7.2.260.0190.00616.76
7.2.250.0120.00916.46
7.2.240.0070.01016.73
7.2.230.0070.01316.82
7.2.220.0120.00916.77
7.2.210.0040.01116.77
7.2.200.0070.01016.58
7.2.190.0060.01016.55
7.2.180.0030.01316.70
7.2.170.0070.01016.60
7.2.160.0000.01116.64
7.2.150.0110.00418.80
7.2.140.0040.00718.67
7.2.130.0040.01318.80
7.2.120.0100.00518.83
7.2.110.0090.00818.70
7.2.100.0070.01018.90
7.2.90.0090.01018.86
7.2.80.0120.00818.82
7.2.70.0040.01318.87
7.2.60.0090.00918.83
7.2.50.0130.00618.89
7.2.40.0090.01118.71
7.2.30.0120.00918.79
7.2.20.0120.00518.78
7.2.10.0100.00818.82
7.2.00.0060.01018.72
7.1.330.0070.00715.76
7.1.320.0070.01415.74
7.1.310.0040.00815.70
7.1.300.0110.00715.73
7.1.290.0050.00515.78
7.1.280.0060.00815.99
7.1.270.0060.00315.80
7.1.260.0090.00615.75
7.1.250.0090.00615.81
7.1.240.0060.00615.83
7.1.230.0020.01015.79
7.1.220.0070.01115.81
7.1.210.0110.00615.59
7.1.200.0120.00415.65
7.1.190.0110.01015.80
7.1.180.0100.00815.83
7.1.170.0140.00715.75
7.1.160.0140.00615.76
7.1.150.0120.00815.79
7.1.140.0130.00615.68
7.1.130.0110.00615.71
7.1.120.0100.00615.68
7.1.110.0120.00615.75
7.1.100.0080.00916.60
7.1.90.0060.01115.68
7.1.80.0060.00915.73
7.1.70.0050.00916.13
7.1.60.0100.00717.04
7.1.50.0070.00716.20
7.1.40.0070.01215.61
7.1.30.0090.00915.71
7.1.20.0090.01115.62
7.1.10.0070.01015.69
7.1.00.0050.03017.85
7.0.330.0070.00815.24
7.0.320.0060.01015.48
7.0.310.0090.01215.37
7.0.300.0090.00915.46
7.0.290.0080.00715.41
7.0.280.0090.01215.46
7.0.270.0050.01315.35
7.0.260.0090.01015.31
7.0.250.0090.01115.46
7.0.240.0050.01215.53
7.0.230.0100.01215.18
7.0.220.0080.01115.24
7.0.210.0090.00615.49
7.0.200.0040.01115.57
7.0.190.0080.01115.31
7.0.180.0130.00715.49
7.0.170.0030.01415.36
7.0.160.0110.00915.43
7.0.150.0070.00515.24
7.0.140.0080.02517.54
7.0.130.0100.00315.26
7.0.120.0030.01315.43
7.0.110.0050.01015.10
7.0.100.0060.01917.35
7.0.90.0030.02117.34
7.0.80.0110.01817.40
7.0.70.0080.02217.47
7.0.60.0050.01817.39
7.0.50.0020.02617.51
7.0.40.0020.02015.60
7.0.30.0060.01715.70
7.0.20.0050.01915.68
7.0.10.0010.02415.58
7.0.00.0030.02215.54
5.6.400.0100.00716.50
5.6.390.0060.00916.68
5.6.380.0070.01016.53
5.6.370.0070.01116.57
5.6.360.0090.01016.55
5.6.350.0100.00816.44
5.6.340.0080.01016.40
5.6.330.0030.01516.33
5.6.320.0070.01116.56
5.6.310.0050.01216.63
5.6.300.0060.00916.46
5.6.290.0050.01016.25
5.6.280.0100.02718.58
5.6.270.0050.01016.36
5.6.260.0060.00816.17
5.6.250.0090.02118.39
5.6.240.0090.01918.38
5.6.230.0070.01618.59
5.6.220.0090.01818.46
5.6.210.0070.01918.45
5.6.200.0100.01718.58
5.6.190.0100.02518.61
5.6.180.0090.01618.63
5.6.170.0120.01718.73
5.6.160.0070.01918.64
5.6.150.0070.01918.72
5.6.140.0080.01918.60
5.6.130.0050.02618.64
5.6.120.0090.01718.68
5.6.110.0060.02318.61
5.6.100.0080.01718.79
5.6.90.0060.01818.83
5.6.80.0050.01918.41
5.6.70.0070.01618.40
5.6.60.0050.01818.42
5.6.50.0080.02918.36
5.6.40.0070.02518.41
5.6.30.0050.03018.38
5.6.20.0060.02418.34
5.6.10.0090.02918.26
5.6.00.0080.03118.32
5.5.380.0080.01917.27
5.5.370.0050.02017.49
5.5.360.0070.01517.28
5.5.350.0040.02317.34
5.5.340.0060.01817.49
5.5.330.0070.01717.54
5.5.320.0050.02217.42
5.5.310.0020.02917.44
5.5.300.0060.02017.45
5.5.290.0110.01817.49
5.5.280.0030.02217.46
5.5.270.0010.02417.37
5.5.260.0050.02117.60
5.5.250.0070.01817.35
5.5.240.0040.01817.23
5.5.230.0050.01817.28
5.5.220.0090.01717.31
5.5.210.0040.03217.14
5.5.200.0030.03817.21
5.5.190.0050.03117.16
5.5.180.0090.01917.35
5.5.170.0070.00314.86
5.5.160.0060.02717.19
5.5.150.0060.03217.34
5.5.140.0080.03217.15
5.5.130.0080.03217.24
5.5.120.0100.02817.24
5.5.110.0070.02817.14
5.5.100.0060.02917.30
5.5.90.0050.02917.09
5.5.80.0060.03317.23
5.5.70.0060.02917.19
5.5.60.0040.03517.16
5.5.50.0080.01917.22
5.5.40.0070.03217.18
5.5.30.0060.02817.08
5.5.20.0150.01417.33
5.5.10.0080.02617.17
5.5.00.0100.01617.22
5.4.450.0060.01715.83
5.4.440.0030.01915.91
5.4.430.0060.01915.88
5.4.420.0030.01715.89
5.4.410.0050.01915.79
5.4.400.0070.02715.76
5.4.390.0060.01815.55
5.4.380.0070.02915.93
5.4.370.0060.02915.78
5.4.360.0060.02815.80
5.4.350.0050.03415.72
5.4.340.0060.02215.86
5.4.330.0050.00413.17
5.4.320.0100.02015.82
5.4.310.0040.02115.77
5.4.300.0020.03115.68
5.4.290.0100.02815.78
5.4.280.0090.02015.69
5.4.270.0060.01715.69
5.4.260.0080.03115.63
5.4.250.0120.01715.83
5.4.240.0090.03315.89
5.4.230.0070.02415.79
5.4.220.0110.01715.65
5.4.210.0070.03215.70
5.4.200.0100.01815.68
5.4.190.0070.03215.78
5.4.180.0080.02915.84
5.4.170.0050.02215.70
5.4.160.0090.02715.61
5.4.150.0080.03015.59
5.4.140.0060.02414.73
5.4.130.0070.02014.90
5.4.120.0030.02214.65
5.4.110.0020.03214.88
5.4.100.0060.02714.77
5.4.90.0090.01814.94
5.4.80.0060.02614.92
5.4.70.0050.01914.96
5.4.60.0050.02414.97
5.4.50.0090.01614.92
5.4.40.0060.02814.92
5.4.30.0030.03114.90
5.4.20.0070.02614.86
5.4.10.0030.03114.94
5.4.00.0040.01914.56
5.3.290.0060.02114.69
5.3.280.0090.03014.40
5.3.270.0090.03014.53
5.3.260.0090.03114.56
5.3.250.0070.02814.53
5.3.240.0060.02014.50
5.3.230.0100.02814.52
5.3.220.0100.02714.42
5.3.210.0080.02414.35
5.3.200.0050.02714.44
5.3.190.0050.03414.31
5.3.180.0070.02914.47
5.3.170.0060.02914.52
5.3.160.0090.02414.56
5.3.150.0070.02114.59
5.3.140.0040.01814.51
5.3.130.0070.03014.59
5.3.120.0090.02714.57
5.3.110.0070.02714.56
5.3.100.0050.03114.38
5.3.90.0090.01614.16
5.3.80.0060.03014.11
5.3.70.0070.02714.23
5.3.60.0090.02514.35
5.3.50.0080.01915.07
5.3.40.0100.03114.94
5.3.30.0090.01214.96
5.3.20.0050.02114.97
5.3.10.0070.02514.84
5.3.00.0060.02414.80
5.2.170.0100.03214.52
5.2.160.0050.03814.54
5.2.150.0080.03914.42
5.2.140.0120.03014.45
5.2.130.0070.03514.37
5.2.120.0110.03214.41
5.2.110.0000.04014.42
5.2.100.0050.02214.36
5.2.90.0050.04014.38
5.2.80.0030.02814.38
5.2.70.0100.02314.19
5.2.60.0110.03014.36
5.2.50.0070.02214.28
5.2.40.0100.02314.20
5.2.30.0060.02414.26
5.2.20.0090.02014.23
5.2.10.0140.04614.15
5.2.00.0080.03314.03
5.1.60.0110.02814.15
5.1.50.0060.02114.07
5.1.40.0050.03714.11
5.1.30.0070.01714.22
5.1.20.0050.02014.36
5.1.10.0030.02214.15
5.1.00.0030.03714.06
5.0.50.0050.02212.93
5.0.40.0070.02012.79
5.0.30.0050.03712.60
5.0.20.0020.02412.78
5.0.10.0070.02112.46
5.0.00.0030.03112.69
4.4.90.0080.01213.38
4.4.80.0080.02213.40
4.4.70.0050.02413.42
4.4.60.0100.02013.44
4.4.50.0080.02613.42
4.4.40.0070.02713.45
4.4.30.0070.01713.39
4.4.20.0100.02213.52
4.4.10.0020.02213.41
4.4.00.0080.02813.42
4.3.110.0070.02211.49
4.3.100.0080.01311.54
4.3.90.0090.01811.56
4.3.80.0030.03811.48
4.3.70.0060.01411.49
4.3.60.0050.01811.51
4.3.50.0040.02611.41
4.3.40.0060.02811.32
4.3.30.0080.01010.38
4.3.20.0130.00812.45
4.3.10.0000.02010.42
4.3.00.0080.02310.40

preferences:
43.38 ms | 401 KiB | 5 Q