3v4l.org

run code in 300+ PHP versions simultaneously
<?php $aa = 'str2'; function def_vars(){ $a = 'str'; $b = 2; return _R('return value',get_defined_vars()); } function _R($return,$vars){ var_dump($vars); return $return; } echo def_vars(); //var_dump(get_defined_vars());

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)
8.3.60.0110.00416.50
8.3.50.0080.00617.96
8.3.40.0150.00018.57
8.3.30.0070.00718.92
8.3.20.0080.00020.19
8.3.10.0040.00421.78
8.3.00.0040.00420.80
8.2.180.0120.00616.50
8.2.170.0060.01022.96
8.2.160.0070.00722.26
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0000.00819.77
8.2.110.0090.00020.33
8.2.100.0070.00718.22
8.2.90.0000.00919.23
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.92
8.2.50.0000.00918.07
8.2.40.0040.00419.88
8.2.30.0040.00418.11
8.2.20.0080.00017.65
8.2.10.0030.00517.98
8.2.00.0040.00417.55
8.1.280.0090.00925.92
8.1.270.0090.00020.52
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0070.00323.65
8.1.230.0040.00819.10
8.1.220.0000.00917.79
8.1.210.0000.00818.77
8.1.200.0040.00417.10
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0080.00018.32
8.1.160.0000.00721.96
8.1.150.0030.00618.69
8.1.140.0070.00017.34
8.1.130.0000.00617.79
8.1.120.0040.00417.38
8.1.110.0050.00317.40
8.1.100.0030.00317.39
8.1.90.0000.00717.40
8.1.80.0000.00717.37
8.1.70.0030.00317.38
8.1.60.0060.00317.59
8.1.50.0030.00917.54
8.1.40.0080.00017.39
8.1.30.0000.00817.64
8.1.20.0040.00417.61
8.1.10.0000.00717.47
8.1.00.0120.00017.40
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0050.00318.48
8.0.270.0040.00417.24
8.0.260.0030.00317.25
8.0.250.0070.00016.93
8.0.240.0070.00016.84
8.0.230.0070.00016.84
8.0.220.0000.00716.83
8.0.210.0040.00416.88
8.0.200.0030.00316.88
8.0.190.0030.00316.77
8.0.180.0000.00716.70
8.0.170.0030.00516.86
8.0.160.0000.00816.84
8.0.150.0000.00716.78
8.0.140.0000.00716.75
8.0.130.0000.00613.27
8.0.120.0040.00416.73
8.0.110.0030.00416.85
8.0.100.0070.00016.63
8.0.90.0050.00316.79
8.0.80.0060.00916.80
8.0.70.0040.00416.87
8.0.60.0000.00816.70
8.0.50.0000.00716.77
8.0.30.0080.01516.95
8.0.20.0110.00917.40
8.0.10.0050.00216.96
8.0.00.0090.01116.75
7.4.330.0050.00015.03
7.4.320.0050.00216.57
7.4.300.0030.00316.63
7.4.290.0020.00516.56
7.4.280.0070.00016.34
7.4.270.0070.00016.55
7.4.260.0030.00316.38
7.4.250.0000.00716.48
7.4.240.0020.00516.57
7.4.230.0000.00816.52
7.4.220.0110.00816.56
7.4.210.0100.00716.58
7.4.200.0030.00316.52
7.4.160.0110.00616.38
7.4.150.0120.00617.40
7.4.140.0070.01117.86
7.4.130.0080.01016.47
7.4.120.0130.00516.45
7.4.110.0130.01016.41
7.4.100.0060.01216.64
7.4.90.0090.01316.50
7.4.80.0060.01219.39
7.4.70.0100.01016.36
7.4.60.0110.00516.39
7.4.50.0040.00416.29
7.4.40.0090.00616.55
7.4.30.0130.00916.43
7.4.00.0100.00614.95
7.3.330.0030.00313.05
7.3.320.0130.00413.24
7.3.310.0040.00416.12
7.3.300.0000.00716.11
7.3.290.0030.00316.19
7.3.280.0060.01216.22
7.3.270.0100.00817.40
7.3.260.0120.00616.23
7.3.250.0100.00816.45
7.3.240.0120.00616.43
7.3.230.0110.00616.49
7.3.210.0080.00816.25
7.3.200.0090.01219.39
7.3.190.0080.00816.19
7.3.180.0070.01016.55
7.3.170.0090.00916.45
7.3.160.0090.00816.31
7.3.120.0030.01414.96
7.3.110.0070.01014.68
7.3.100.0090.00614.64
7.3.90.0090.00014.47
7.3.80.0070.00714.76
7.3.70.0060.00614.45
7.3.60.0060.00614.82
7.3.50.0130.00314.91
7.3.40.0070.00714.86
7.3.30.0000.00914.53
7.3.20.0060.00916.69
7.3.10.0060.00916.55
7.3.00.0070.00716.73
7.2.330.0150.00516.72
7.2.320.0080.01416.82
7.2.310.0060.01816.34
7.2.300.0120.00916.73
7.2.290.0030.01416.68
7.2.250.0100.01014.79
7.2.240.0100.01015.18
7.2.230.0100.00614.84
7.2.220.0000.00914.77
7.2.210.0130.00314.61
7.2.200.0070.00714.98
7.2.190.0060.00315.17
7.2.180.0090.00914.70
7.2.170.0040.01414.90
7.2.60.0040.01216.94
7.2.00.0070.01119.16
7.1.330.0100.00615.95
7.1.320.0030.00915.60
7.1.310.0060.00915.62
7.1.300.0090.00315.52
7.1.290.0060.01215.41
7.1.280.0000.00915.75
7.1.270.0030.01015.59
7.1.260.0110.00015.68
7.1.200.0060.00915.71
7.1.100.0030.00717.93
7.1.70.0030.00517.13
7.1.60.0170.00719.46
7.1.50.0090.01516.60
7.1.00.0030.07722.36
7.0.200.0100.00316.79
7.0.140.0030.04722.00
7.0.60.0030.08719.78
7.0.50.0170.07317.85
7.0.40.0130.07720.02
7.0.30.0130.06020.23
7.0.20.0330.07320.23
7.0.10.0000.05320.16
7.0.00.0070.05020.22
5.6.280.0030.07320.82
5.6.210.0030.08320.55
5.6.200.0070.07318.29
5.6.190.0170.05720.52
5.6.180.0530.06720.63
5.6.170.0200.04720.57
5.6.160.0170.07020.52
5.6.150.0070.08318.18
5.6.140.0030.08318.23
5.6.130.0030.05318.28
5.6.120.0100.05021.15
5.6.110.0130.08321.02
5.6.100.0070.06320.99
5.6.90.0030.06721.04
5.6.80.0000.04720.44
5.5.350.0330.07720.44
5.5.340.0000.09017.95
5.5.330.0070.04720.28
5.5.320.0030.08720.30
5.5.310.0200.04720.31
5.5.300.0000.04717.98
5.5.290.0030.06017.97
5.5.280.0130.08020.77
5.5.270.0170.07320.87
5.5.260.0030.05720.97
5.5.250.0070.03720.55
5.5.240.0030.06720.16
5.4.450.0800.04719.56
5.4.440.0530.04719.40
5.4.430.0030.06719.60
5.4.420.1070.07319.55
5.4.410.1100.05719.20
5.4.400.0970.05019.26
5.4.390.1000.05318.79
5.4.380.1170.07318.73
5.4.370.1100.06318.84
5.4.360.1100.06318.79
5.4.350.1030.06718.54
5.4.340.1100.06718.61
5.4.320.1070.05018.72
5.4.310.1300.05318.72
5.4.300.1100.04718.53
5.4.290.1000.06318.58
5.4.280.1100.04318.78
5.4.270.0970.05718.78
5.4.260.1030.04718.80
5.4.250.1200.03718.56
5.4.240.1030.05318.80
5.4.230.0930.06318.78
5.4.220.1030.05318.76
5.4.210.1070.04718.71
5.4.200.1000.05016.53
5.4.190.0870.05318.79
5.4.180.0900.05318.73
5.4.170.1000.05018.52
5.4.160.0870.06318.78
5.4.150.1070.04318.54
5.4.140.1030.05316.22
5.4.130.0870.04716.21
5.4.120.0870.06316.33
5.4.110.0870.05016.37
5.4.100.0930.05716.31
5.4.90.0970.06316.17
5.4.80.1030.04316.15
5.4.70.1030.04316.33
5.4.60.1030.05016.23
5.4.50.0970.05716.23
5.4.40.1000.05316.30
5.4.30.0900.05716.13
5.4.20.0970.05016.39
5.4.10.1030.04716.22
5.4.00.1000.06015.75
5.3.290.1100.05314.66
5.3.280.1130.07714.59
5.3.270.1000.05314.78
5.3.260.1000.05314.63
5.3.250.0930.05014.83
5.3.240.1000.04714.65
5.3.230.0900.06014.76
5.3.220.0900.06714.69
5.3.210.1030.05014.67
5.3.200.1000.04714.77
5.3.190.1000.04014.59
5.3.180.0830.05714.62
5.3.170.0870.06714.69
5.3.160.1270.07014.57
5.3.150.0930.04714.59
5.3.140.1070.04314.74
5.3.130.1030.05014.64
5.3.120.1000.05714.60
5.3.110.1100.06014.67
5.3.100.0970.05714.07
5.3.90.1070.05014.08
5.3.80.0970.05314.23
5.3.70.0970.06014.13
5.3.60.0900.05714.13
5.3.50.0970.05313.98
5.3.40.1100.04714.06
5.3.30.1070.04014.02
5.3.20.1200.06713.73
5.3.10.0970.05313.64
5.3.00.1270.05713.77
5.2.170.0870.05011.25
5.2.160.1000.05311.23
5.2.150.0770.04711.27
5.2.140.0800.05011.36
5.2.130.0800.04711.13
5.2.120.0700.05011.33
5.2.110.0870.04311.11
5.2.100.0930.03311.32
5.2.90.0770.04711.23
5.2.80.0770.04311.21
5.2.70.0800.04311.17
5.2.60.0830.05011.11
5.2.50.0930.04311.13
5.2.40.0670.04311.00
5.2.30.0730.04011.08
5.2.20.0670.04010.99
5.2.10.0600.04310.90
5.2.00.0770.05310.75
5.1.60.0600.04710.12
5.1.50.0600.04710.07
5.1.40.0070.05010.10
5.1.30.0070.03710.35
5.1.20.0130.03310.47
5.1.10.0070.03710.06
5.1.00.0030.04010.09
5.0.50.0470.0278.62
5.0.40.0470.0208.54
5.0.30.0370.0408.26
5.0.20.0300.0338.24
5.0.10.0300.0308.29
5.0.00.0330.0438.28
4.4.90.0300.0235.91
4.4.80.0270.0275.92
4.4.70.0330.0275.88
4.4.60.0330.0205.96
4.4.50.0230.0275.95
4.4.40.0400.0335.91
4.4.30.0330.0205.91
4.4.20.0330.0205.93
4.4.10.0400.0206.05
4.4.00.0330.0336.01
4.3.110.0400.0235.81
4.3.100.0370.0335.85
4.3.90.0370.0135.88
4.3.80.0330.0335.82
4.3.70.0370.0175.80
4.3.60.0300.0235.82
4.3.50.0400.0175.78
4.3.40.0300.0305.79
4.3.30.0200.0204.77
4.3.20.0170.0274.77
4.3.10.0130.0234.77
4.3.00.0030.03014.47

preferences:
52.76 ms | 400 KiB | 5 Q