3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(1, 2, 3, 4, 5); foreach($a as $k=>$v) { $a[$k]++; } var_dump($a); foreach($a as $k=>$v) { $a[$k]++; } 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)
8.3.60.0100.01018.32
8.3.50.0090.01022.05
8.3.40.0110.00418.58
8.3.30.0120.00319.01
8.3.20.0040.00420.33
8.3.10.0050.00323.52
8.3.00.0080.00020.75
8.2.180.0090.00616.63
8.2.170.0150.00022.96
8.2.160.0070.00720.35
8.2.150.0070.01124.18
8.2.140.0000.00824.66
8.2.130.0050.00226.16
8.2.120.0050.00319.36
8.2.110.0060.00320.27
8.2.100.0110.00017.84
8.2.90.0040.00419.34
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0050.00518.05
8.2.50.0040.00418.07
8.2.40.0050.00319.87
8.2.30.0000.00718.39
8.2.20.0040.00417.75
8.2.10.0080.00018.00
8.2.00.0050.00319.50
8.1.280.0120.00325.92
8.1.270.0100.00023.72
8.1.260.0050.00226.35
8.1.250.0000.00728.09
8.1.240.0120.00623.92
8.1.230.0090.00323.89
8.1.220.0080.00017.77
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0080.00017.00
8.1.180.0040.00418.10
8.1.170.0050.00318.63
8.1.160.0040.00421.89
8.1.150.0000.00818.69
8.1.140.0040.00417.36
8.1.130.0000.00717.79
8.1.120.0070.00017.36
8.1.110.0030.00517.37
8.1.100.0000.00717.43
8.1.90.0000.00717.51
8.1.80.0000.00817.34
8.1.70.0000.00717.39
8.1.60.0030.00617.54
8.1.50.0040.00417.53
8.1.40.0000.00817.47
8.1.30.0000.00917.64
8.1.20.0000.00817.72
8.1.10.0040.00417.34
8.1.00.0000.00717.25
8.0.300.0000.00718.77
8.0.290.0000.00716.61
8.0.280.0030.00318.45
8.0.270.0030.00317.24
8.0.260.0030.00317.20
8.0.250.0020.00516.97
8.0.240.0040.00416.83
8.0.230.0040.00416.80
8.0.220.0030.00316.89
8.0.210.0030.00316.88
8.0.200.0000.00616.88
8.0.190.0030.00616.94
8.0.180.0040.00416.96
8.0.170.0070.00016.91
8.0.160.0000.00716.79
8.0.150.0060.00616.83
8.0.140.0000.00716.87
8.0.130.0030.00313.32
8.0.120.0000.00716.91
8.0.110.0030.00616.81
8.0.100.0050.00216.68
8.0.90.0070.00016.87
8.0.80.0040.01116.85
8.0.70.0040.00416.72
8.0.60.0000.00716.70
8.0.50.0040.00416.68
8.0.30.0080.01417.05
8.0.20.0080.01317.40
8.0.10.0000.00716.84
8.0.00.0090.00916.74
7.4.330.0000.00715.00
7.4.320.0050.00216.59
7.4.300.0030.00316.52
7.4.290.0000.00716.43
7.4.280.0030.00316.54
7.4.270.0000.00716.55
7.4.260.0000.00716.57
7.4.250.0040.00416.55
7.4.240.0050.00216.51
7.4.230.0070.00016.34
7.4.220.0040.01316.52
7.4.210.0030.01016.56
7.4.200.0000.00716.60
7.4.160.0070.01016.52
7.4.150.0120.00617.40
7.4.140.0120.00717.86
7.4.130.0090.00916.53
7.4.120.0100.01216.55
7.4.110.0140.00316.47
7.4.100.0130.00316.34
7.4.90.0070.01116.66
7.4.80.0110.00819.39
7.4.70.0070.01416.47
7.4.60.0100.01316.43
7.4.50.0040.00416.36
7.4.40.0070.01016.59
7.4.30.0100.00616.47
7.4.00.0060.01114.96
7.3.330.0030.00313.20
7.3.320.0000.00513.29
7.3.310.0030.00316.26
7.3.300.0030.00316.35
7.3.290.0040.01116.30
7.3.280.0120.00616.34
7.3.270.0170.00017.40
7.3.260.0060.01216.32
7.3.250.0080.00916.33
7.3.240.0110.00616.29
7.3.230.0090.00816.39
7.3.210.0080.01116.25
7.3.200.0030.01319.39
7.3.190.0070.01016.42
7.3.180.0060.00916.26
7.3.170.0060.01216.36
7.3.160.0090.00916.40
7.3.120.0110.00615.00
7.3.110.0060.00914.92
7.3.100.0000.01414.68
7.3.90.0120.00015.02
7.3.80.0080.00414.96
7.3.70.0030.01014.77
7.3.60.0110.00414.73
7.3.50.0100.00314.55
7.3.40.0040.01214.70
7.3.30.0040.00714.76
7.3.20.0080.00816.48
7.3.10.0060.00616.58
7.3.00.0080.00316.58
7.2.330.0110.01116.71
7.2.320.0100.00616.51
7.2.310.0070.01416.68
7.2.300.0140.00716.54
7.2.290.0150.00716.76
7.2.250.0070.01414.74
7.2.240.0030.01315.19
7.2.230.0030.01014.97
7.2.220.0040.01215.21
7.2.210.0030.01015.17
7.2.200.0030.01314.84
7.2.190.0090.00315.00
7.2.180.0060.00615.15
7.2.170.0130.00315.04
7.2.130.0180.00316.48
7.2.120.0030.00816.63
7.2.110.0200.00916.36
7.2.100.0030.01116.48
7.2.90.0030.00616.63
7.2.80.0150.00716.66
7.2.70.0120.00016.78
7.2.60.0050.00916.78
7.2.50.0040.01516.78
7.2.40.0210.00717.04
7.2.30.0120.00617.01
7.2.20.0120.00616.82
7.2.10.0070.00716.57
7.2.00.0020.01418.04
7.1.330.0070.00715.71
7.1.320.0060.01315.61
7.1.310.0000.01515.69
7.1.300.0070.00715.98
7.1.290.0030.01315.80
7.1.280.0080.00415.81
7.1.270.0030.00915.75
7.1.260.0080.00515.79
7.1.250.0110.00415.88
7.1.200.0130.00015.84
7.1.100.0090.00318.02
7.1.70.0000.00716.87
7.1.60.0100.01019.70
7.1.50.0060.01616.84
7.1.00.0070.07022.36
7.0.200.0070.00316.81
7.0.140.0030.07322.15
7.0.60.0030.09020.10
7.0.50.0030.04017.82
7.0.40.0130.08020.05
7.0.30.0270.08020.32
7.0.20.0330.09020.16
7.0.10.0100.07320.04
7.0.00.0070.04320.00
5.6.280.0030.07021.12
5.6.210.0070.08020.62
5.6.200.0100.07718.08
5.6.190.0130.05320.48
5.6.180.0300.06720.41
5.6.170.0300.08020.44
5.6.160.0030.08320.37
5.6.150.0100.03318.18
5.6.140.0030.04018.18
5.6.130.0070.04018.11
5.6.120.0000.08720.97
5.6.110.0130.06020.96
5.6.100.0170.06720.86
5.6.90.0100.05721.10
5.6.80.0100.06320.40
5.5.350.0270.07020.40
5.5.340.0070.03717.96
5.5.330.0100.04020.21
5.5.320.0030.08320.18
5.5.310.0130.04320.17
5.5.300.0100.08017.98
5.5.290.0100.07317.91
5.5.280.0030.04320.77
5.5.270.0170.04020.72
5.5.260.0030.05720.67
5.5.250.0100.07320.78
5.5.240.0030.03320.33
5.4.450.0270.06719.55
5.4.440.0770.05719.27
5.4.430.0030.06019.31
5.4.420.0130.05719.63
5.4.410.0830.06319.35
5.4.400.0230.05318.78
5.4.390.0330.05019.00
5.4.380.0330.06318.72
5.4.370.0330.05718.70
5.4.360.0270.05318.73
5.4.350.0270.05718.61
5.4.340.0300.06318.68
5.4.320.0050.04112.46
5.4.310.0050.03812.45
5.4.300.0090.03612.45
5.4.290.0060.03912.45
5.4.280.0030.03812.35
5.4.270.0070.03612.35
5.4.260.0090.03812.35
5.4.250.0080.03812.35
5.4.240.0090.03612.35
5.4.230.0050.03912.34
5.4.220.0000.04212.34
5.4.210.0060.04012.34
5.4.200.0150.04012.34
5.4.190.0070.03712.34
5.4.180.0060.03512.34
5.4.170.0060.03812.35
5.4.160.0060.03712.35
5.4.150.0060.03712.34
5.4.140.0040.03912.03
5.4.130.0080.04012.01
5.4.120.0060.03611.97
5.4.110.0060.04211.97
5.4.100.0080.03411.97
5.4.90.0040.03911.96
5.4.80.0080.03311.96
5.4.70.0080.04111.96
5.4.60.0060.03411.96
5.4.50.0060.03911.97
5.4.40.0050.04211.95
5.4.30.0030.03711.95
5.4.20.0080.04111.95
5.4.10.0050.04011.95
5.4.00.0090.03711.44
5.3.290.0090.03412.80
5.3.280.0100.04412.71
5.3.270.0070.03712.72
5.3.260.0060.03712.72
5.3.250.0070.03612.72
5.3.240.0080.03512.72
5.3.230.0090.04012.71
5.3.220.0050.03712.68
5.3.210.0070.03812.68
5.3.200.0040.03712.68
5.3.190.0040.03912.68
5.3.180.0070.04512.68
5.3.170.0070.03512.67
5.3.160.0080.03312.68
5.3.150.0060.03912.67
5.3.140.0120.04212.66
5.3.130.0080.03712.66
5.3.120.0050.03912.66
5.3.110.0060.03912.66
5.3.100.0070.03512.12
5.3.90.0060.04212.09
5.3.80.0030.03812.07
5.3.70.0050.04212.07
5.3.60.0070.03512.06
5.3.50.0070.03412.00
5.3.40.0030.04012.00
5.3.30.0080.03611.94
5.3.20.0070.03811.72
5.3.10.0050.03511.69
5.3.00.0100.03911.68
5.2.170.0060.0299.18
5.2.160.0050.0329.18
5.2.150.0060.0359.18
5.2.140.0040.0319.18
5.2.130.0040.0299.14
5.2.120.0030.0299.14
5.2.110.0040.0299.14
5.2.100.0030.0309.14
5.2.90.0040.0349.14
5.2.80.0070.0289.13
5.2.70.0060.0409.14
5.2.60.0030.0319.09
5.2.50.0040.0309.05
5.2.40.0040.0329.03
5.2.30.0050.0329.01
5.2.20.0030.0319.00
5.2.10.0030.0298.92
5.2.00.0030.0308.78
5.1.60.0030.0258.06
5.1.50.0030.0268.06
5.1.40.0050.0248.04
5.1.30.0040.0268.39
5.1.20.0030.0288.41
5.1.10.0040.0268.14
5.1.00.0050.0258.14
5.0.50.0070.0186.62
5.0.40.0000.0236.48
5.0.30.0040.0326.29
5.0.20.0030.0216.26
5.0.10.0030.0216.23
5.0.00.0040.0316.23
4.4.90.0050.0154.77
4.4.80.0060.0184.75
4.4.70.0020.0174.76
4.4.60.0030.0174.75
4.4.50.0050.0144.77
4.4.40.0020.0274.71
4.4.30.0020.0174.76
4.4.20.0040.0154.85
4.4.10.0050.0204.85
4.4.00.0050.0284.76
4.3.110.0020.0194.67
4.3.100.0050.0154.67
4.3.90.0030.0174.63
4.3.80.0030.0264.58
4.3.70.0030.0194.63
4.3.60.0020.0204.63
4.3.50.0040.0164.63
4.3.40.0040.0284.54
4.3.30.0030.0193.29
4.3.20.0020.0193.26
4.3.10.0020.0153.22
4.3.00.0030.0237.91

preferences:
39.89 ms | 401 KiB | 5 Q