3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new ArrayIterator(array()); array(&$$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)
8.3.40.0150.00018.74
8.3.30.0030.01018.92
8.3.20.0000.00720.18
8.3.10.0040.00421.92
8.3.00.0070.00022.53
8.2.170.0110.00422.96
8.2.160.0090.00619.21
8.2.150.0050.00324.18
8.2.140.0030.00624.66
8.2.130.0030.00526.16
8.2.120.0050.00319.48
8.2.110.0030.00622.25
8.2.100.0080.00319.57
8.2.90.0060.00319.05
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0030.00618.04
8.2.50.0000.00818.07
8.2.40.0040.00420.01
8.2.30.0040.00418.03
8.2.20.0070.00017.77
8.2.10.0000.00717.66
8.2.00.0000.00817.73
8.1.270.0080.00022.00
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00323.73
8.1.230.0080.00419.01
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00717.48
8.1.190.0070.00017.66
8.1.180.0040.00418.73
8.1.170.0060.00318.63
8.1.160.0080.00022.18
8.1.150.0000.00718.56
8.1.140.0040.00417.35
8.1.130.0000.00817.81
8.1.120.0000.00817.45
8.1.110.0000.00817.44
8.1.100.0060.00317.32
8.1.90.0050.00317.46
8.1.80.0050.00317.43
8.1.70.0060.00017.47
8.1.60.0080.00017.46
8.1.50.0030.00517.45
8.1.40.0040.00417.40
8.1.30.0000.00817.46
8.1.20.0040.00417.59
8.1.10.0080.00017.52
8.1.00.0040.00417.38
8.0.300.0030.00318.77
8.0.290.0040.00417.18
8.0.280.0050.00318.44
8.0.270.0000.00717.16
8.0.260.0030.00316.87
8.0.250.0000.00716.99
8.0.240.0040.00416.88
8.0.230.0030.00316.99
8.0.220.0000.00616.99
8.0.210.0030.00316.86
8.0.200.0030.00316.86
8.0.190.0070.00416.91
8.0.180.0030.00317.00
8.0.170.0070.00416.87
8.0.160.0040.00416.82
8.0.150.0040.00416.78
8.0.140.0040.00416.93
8.0.130.0030.00313.34
8.0.120.0030.00516.80
8.0.110.0000.00816.98
8.0.100.0040.00416.79
8.0.90.0070.00016.77
8.0.80.0060.01316.96
8.0.70.0040.00416.89
8.0.60.0020.00516.98
8.0.50.0040.00416.88
8.0.30.0130.00816.87
8.0.20.0090.01017.40
8.0.10.0040.00417.18
8.0.00.0160.00216.70
7.4.330.0000.00615.00
7.4.320.0030.00316.63
7.4.300.0030.00316.49
7.4.290.0030.00316.53
7.4.280.0000.00716.56
7.4.270.0000.00716.39
7.4.260.0040.00416.56
7.4.250.0000.00816.43
7.4.240.0050.00216.55
7.4.230.0030.00316.70
7.4.220.0100.01116.48
7.4.210.0070.00716.56
7.4.200.0030.00316.33
7.4.190.0050.00316.44
7.4.160.0120.00316.41
7.4.150.0040.01417.40
7.4.140.0100.01017.86
7.4.130.0070.01416.52
7.4.120.0090.00816.55
7.4.110.0140.00316.49
7.4.100.0120.00616.43
7.4.90.0030.01516.50
7.4.80.0130.01019.39
7.4.70.0120.00616.39
7.4.60.0130.00316.60
7.4.50.0070.00016.69
7.4.40.0120.00322.77
7.4.30.0090.00616.33
7.4.00.0070.00715.05
7.3.330.0050.00313.14
7.3.320.0020.00212.99
7.3.310.0000.00716.09
7.3.300.0000.00616.25
7.3.290.0110.00716.28
7.3.280.0090.00616.28
7.3.270.0030.01317.40
7.3.260.0120.00916.59
7.3.250.0090.00916.28
7.3.240.0000.01616.35
7.3.230.0140.00316.39
7.3.210.0190.00316.13
7.3.200.0100.00619.39
7.3.190.0080.01716.52
7.3.180.0060.01116.40
7.3.170.0210.00316.27
7.3.160.0110.00416.39
7.3.120.0070.01014.80
7.3.110.0140.00314.74
7.3.100.0070.00714.57
7.3.90.0000.01414.71
7.3.80.0060.00614.60
7.3.70.0040.00714.42
7.3.60.0000.01514.49
7.3.50.0030.01314.89
7.3.40.0070.01014.80
7.3.30.0100.00714.43
7.3.20.0080.00416.80
7.3.10.0070.00716.63
7.3.00.0040.00816.57
7.2.330.0160.00316.16
7.2.320.0070.01016.59
7.2.310.0100.00716.21
7.2.300.0150.00316.63
7.2.290.0110.00616.70
7.2.240.0070.00714.85
7.2.230.0030.00614.62
7.2.220.0040.01414.72
7.2.210.0090.00315.05
7.2.200.0000.01514.72
7.2.190.0040.01114.95
7.2.180.0030.00714.75
7.2.170.0060.00315.04
7.2.160.0080.00414.89
7.2.150.0030.01017.04
7.2.140.0080.00816.88
7.2.130.0090.00316.44
7.2.120.0060.00616.94
7.2.110.0090.00616.81
7.2.100.0030.00916.83
7.2.90.0060.00616.64
7.2.80.0040.01216.78
7.2.70.0000.01216.82
7.2.60.0030.01116.74
7.2.50.0000.01616.79
7.2.40.0080.00816.67
7.2.30.0080.00416.87
7.2.20.0070.00716.73
7.2.10.0100.00316.61
7.2.00.0070.01017.98
7.1.330.0130.00015.77
7.1.320.0030.01315.80
7.1.310.0060.00615.77
7.1.300.0060.00315.79
7.1.290.0030.01315.47
7.1.280.0060.00915.70
7.1.270.0060.00615.55
7.1.260.0020.00515.77
7.1.250.0090.00615.57
7.1.200.0110.00415.35
7.1.100.0040.00817.70
7.1.70.0030.00716.91
7.1.60.0070.01819.82
7.1.50.0090.01516.77
7.1.00.0030.03322.28
7.0.200.0040.00416.67
7.0.140.0000.07721.95
7.0.60.0030.07319.81
7.0.50.0070.05317.85
7.0.40.0070.07719.96
7.0.30.0230.06020.12
7.0.20.0330.06020.00
7.0.10.0400.07720.00
7.0.00.0130.04320.20
5.6.280.0030.07021.09
5.6.210.0070.07720.46
5.6.200.0030.08318.08
5.6.190.0100.05720.41
5.6.180.3200.03720.43
5.6.170.0170.07320.35
5.6.160.0030.08720.54
5.6.150.0000.05718.21
5.6.140.0070.05018.11
5.6.130.0130.06018.18
5.6.120.0100.03721.01
5.6.110.0070.05720.99
5.6.100.0000.08321.12
5.6.90.0130.07320.94
5.6.80.0100.06720.48
5.6.70.0300.07720.52
5.5.350.0300.07720.37
5.5.340.0130.07017.93
5.5.330.0030.04020.25
5.5.320.0230.04720.13
5.5.310.0230.05320.23
5.5.300.0030.08017.91
5.5.290.0100.04717.91
5.5.280.0100.07720.72
5.5.270.0170.07020.92
5.5.260.0100.03720.63
5.5.250.0030.08320.77
5.5.240.0070.08320.06
5.4.450.0630.06719.15
5.4.440.0770.04719.32
5.4.430.0200.04319.09
5.4.420.0730.05319.44
5.4.410.0630.05319.00
5.4.400.0370.05318.80
5.4.390.0470.06718.67
5.4.380.0330.05018.68
5.4.370.0170.04718.62
5.4.360.0170.06018.69
5.4.350.0170.05018.65
5.4.340.0130.05318.77
5.4.320.0030.03912.45
5.4.310.0080.03512.45
5.4.300.0050.04012.45
5.4.290.0080.03712.45
5.4.280.0040.03812.35
5.4.270.0030.03812.35
5.4.260.0170.04719.03
5.4.250.0070.05318.84
5.4.240.0070.05018.79
5.4.230.0170.04318.89
5.4.220.0100.06718.88
5.4.210.0130.05318.65
5.4.200.0070.05319.02
5.4.190.0070.05318.77
5.4.180.0130.06318.93
5.4.170.0200.04018.75
5.4.160.0100.05318.78
5.4.150.0170.05718.91
5.4.140.0100.07016.45
5.4.130.0070.04716.47
5.4.120.0100.06716.50
5.4.110.0100.06716.39
5.4.100.0070.06716.25
5.4.90.0070.05716.23
5.4.80.0200.03716.44
5.4.70.0070.05316.48
5.4.60.0070.05016.38
5.4.50.0170.03716.39
5.4.40.0030.05016.37
5.4.30.0030.05316.25
5.4.20.0170.06316.22
5.4.10.0070.05016.49
5.4.00.0030.05015.67
5.3.290.0080.04312.80
5.3.280.0170.06014.36
5.3.270.0070.05314.38
5.3.260.0100.05014.30
5.3.250.0130.04714.61
5.3.240.0070.08014.75
5.3.230.0100.05014.46
5.3.220.0100.06014.26
5.3.210.0000.05714.41
5.3.200.0130.04714.60
5.3.190.0130.04714.48
5.3.180.0100.05014.55
5.3.170.0070.05314.44
5.3.160.0100.05314.39
5.3.150.0130.04314.47
5.3.140.0130.04714.57
5.3.130.0100.05014.71
5.3.120.0070.08014.63
5.3.110.0130.04714.44
5.3.100.0100.04714.02
5.3.90.0100.04714.00
5.3.80.0070.04713.86
5.3.70.0070.05313.87
5.3.60.0030.05314.09
5.3.50.0130.04013.96
5.3.40.0100.04713.96
5.3.30.0100.05014.05
5.3.20.0100.06313.68
5.3.10.0070.06713.64
5.3.00.0100.06013.58
5.2.170.0030.06011.16
5.2.160.0070.04011.23
5.2.150.0100.03710.97
5.2.140.0030.04311.05
5.2.130.0100.03711.01
5.2.120.0030.04011.01
5.2.110.0030.05311.11
5.2.100.0030.04011.00
5.2.90.0030.05011.16
5.2.80.0030.04011.00
5.2.70.0100.03710.85
5.2.60.0030.04010.97
5.2.50.0030.04010.90
5.2.40.0100.03310.89
5.2.30.0000.04310.98
5.2.20.0100.04710.84
5.2.10.0070.05310.86
5.2.00.0100.04010.60
5.1.60.0070.03010.07
5.1.50.0030.0379.84
5.1.40.0070.03010.01
5.1.30.0000.04010.09
5.1.20.0030.05310.11
5.1.10.0070.03010.12
5.1.00.0100.03010.02
5.0.50.0070.0338.60
5.0.40.0070.0238.25
5.0.30.0030.0408.45
5.0.20.0070.0238.24
5.0.10.0000.0438.39
5.0.00.0030.0438.10
4.4.90.0000.0237.28
4.4.80.0030.0207.28
4.4.70.0030.0237.28
4.4.60.0000.0277.28
4.4.50.0030.0207.28
4.4.40.0000.0377.28
4.4.30.0030.0277.28
4.4.20.0030.0207.28
4.4.10.0000.0277.28
4.4.00.0000.0337.28
4.3.110.0030.0307.28
4.3.100.0030.0207.28
4.3.90.0000.0237.28
4.3.80.0030.0336.76
4.3.70.0030.0276.56
4.3.60.0030.0276.32
4.3.50.0100.0236.10
4.3.40.0070.0376.06
4.3.30.0100.0136.06
4.3.20.0030.0276.06
4.3.10.0030.0276.06
4.3.00.0000.0237.94

preferences:
38.84 ms | 400 KiB | 5 Q