3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = fopen(".", "r"); $c[$a] = 1; $b =& $c[$a]; $c[$a] =& $b; $c[$a]++; var_dump($c);

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)
8.3.40.0110.00418.70
8.3.30.0030.01019.09
8.3.20.0000.00720.39
8.3.10.0050.00323.70
8.3.00.0050.00319.25
8.2.170.0070.00722.96
8.2.160.0070.00720.41
8.2.150.0000.00824.18
8.2.140.0000.00924.66
8.2.130.0040.00426.16
8.2.120.0050.00322.05
8.2.110.0110.00021.09
8.2.100.0110.00018.03
8.2.90.0050.00318.85
8.2.80.0000.01017.97
8.2.70.0060.00317.63
8.2.60.0050.00517.93
8.2.50.0050.00318.07
8.2.40.0080.00019.88
8.2.30.0050.00218.15
8.2.20.0080.00017.64
8.2.10.0070.00018.00
8.2.00.0050.00317.59
8.1.270.0050.00322.18
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00921.27
8.1.230.0040.00717.58
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0060.00317.35
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0040.00421.95
8.1.150.0040.00418.82
8.1.140.0070.00017.45
8.1.130.0040.00417.83
8.1.120.0000.00717.43
8.1.110.0080.00017.40
8.1.100.0040.00417.29
8.1.90.0000.00717.39
8.1.80.0000.00717.29
8.1.70.0030.00317.23
8.1.60.0060.00317.53
8.1.50.0030.00517.39
8.1.40.0000.00817.46
8.1.30.0090.00017.60
8.1.20.0070.00017.62
8.1.10.0040.00417.39
8.1.00.0030.00517.53
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0000.00717.30
8.0.260.0030.00317.25
8.0.250.0000.00716.91
8.0.240.0030.00317.01
8.0.230.0030.00317.00
8.0.220.0050.00316.96
8.0.210.0070.00016.89
8.0.200.0060.00016.94
8.0.190.0040.00417.06
8.0.180.0000.00816.86
8.0.170.0040.00416.96
8.0.160.0070.00017.09
8.0.150.0050.00316.93
8.0.140.0030.00616.86
8.0.130.0030.00313.34
8.0.120.0040.00816.91
8.0.110.0050.00216.91
8.0.100.0070.00017.02
8.0.90.0000.00916.76
8.0.80.0060.01016.97
8.0.70.0040.00416.79
8.0.60.0000.00716.84
8.0.50.0000.00716.92
8.0.30.0120.01017.16
8.0.20.0080.01317.40
8.0.10.0090.00017.13
8.0.00.0050.01316.74
7.4.330.0050.00015.00
7.4.320.0000.00616.45
7.4.300.0030.00316.46
7.4.290.0030.00316.54
7.4.280.0040.00416.36
7.4.270.0070.00016.48
7.4.260.0070.00016.54
7.4.250.0040.00416.41
7.4.240.0000.00816.58
7.4.230.0080.00016.53
7.4.220.0080.00916.59
7.4.210.0070.00716.42
7.4.200.0000.00716.36
7.4.160.0070.01016.51
7.4.150.0150.00617.40
7.4.140.0160.00517.86
7.4.130.0080.00916.52
7.4.120.0110.00816.53
7.4.110.0130.00916.48
7.4.100.0080.00816.52
7.4.90.0030.01316.51
7.4.80.0060.01219.39
7.4.70.0000.01716.31
7.4.60.0140.00316.56
7.4.50.0040.00016.53
7.4.40.0110.00716.55
7.4.30.0080.00816.53
7.4.10.0000.01714.94
7.4.00.0060.00914.83
7.3.330.0000.00613.30
7.3.320.0000.00613.21
7.3.310.0070.00016.29
7.3.300.0030.00316.51
7.3.290.0050.00916.42
7.3.280.0090.00816.50
7.3.270.0140.00317.40
7.3.260.0120.00616.53
7.3.250.0080.00916.40
7.3.240.0120.00616.50
7.3.230.0100.00716.59
7.3.210.0100.00716.41
7.3.200.0090.01119.39
7.3.190.0150.00316.41
7.3.180.0110.00416.43
7.3.170.0120.00316.55
7.3.160.0060.01516.59
7.3.130.0040.01114.91
7.3.120.0060.00914.77
7.3.110.0070.00714.88
7.3.100.0090.00614.70
7.3.90.0040.01114.64
7.3.80.0030.00914.94
7.3.70.0080.00414.68
7.3.60.0070.01014.96
7.3.50.0070.00714.83
7.3.40.0030.00814.90
7.3.30.0060.00315.05
7.3.20.0090.00316.40
7.3.10.0080.00316.71
7.3.00.0030.00916.71
7.2.330.0030.01416.46
7.2.320.0080.01216.75
7.2.310.0090.00916.69
7.2.300.0090.00916.24
7.2.290.0160.00716.54
7.2.260.0040.01515.07
7.2.250.0070.01115.29
7.2.240.0160.00015.26
7.2.230.0110.00015.07
7.2.220.0070.01015.20
7.2.210.0030.01015.20
7.2.200.0040.00814.77
7.2.190.0080.00814.88
7.2.180.0100.00315.03
7.2.170.0070.00314.84
7.2.160.0000.01315.20
7.2.150.0060.00916.85
7.2.140.0150.00016.95
7.2.130.0040.01117.00
7.2.120.0080.00817.09
7.2.110.0090.00616.72
7.2.100.0060.00916.79
7.2.90.0030.01017.00
7.2.80.0100.00616.93
7.2.70.0040.01516.89
7.2.60.0030.00616.93
7.2.50.0080.00616.95
7.2.40.0040.01116.99
7.2.30.0000.01516.63
7.2.20.0100.00716.65
7.2.10.0030.01017.04
7.2.00.0060.01118.10
7.1.330.0030.00916.05
7.1.320.0120.00316.03
7.1.310.0070.00715.93
7.1.300.0060.00615.61
7.1.290.0040.00415.86
7.1.280.0100.00715.83
7.1.270.0030.01015.93
7.1.260.0060.00915.60
7.1.250.0040.00815.92
7.1.240.0030.01015.88
7.1.230.0030.01216.02
7.1.220.0000.01315.65
7.1.210.0060.00315.59
7.1.200.0100.00315.99
7.1.190.0100.00315.72
7.1.180.0030.00615.96
7.1.170.0030.01016.00
7.1.160.0070.00715.77
7.1.150.0050.00515.91
7.1.140.0120.00615.93
7.1.130.0040.01415.76
7.1.120.0090.00615.72
7.1.110.0060.00915.96
7.1.100.0050.00817.17
7.1.90.0070.00415.60
7.1.80.0060.00315.52
7.1.70.0000.01016.38
7.1.60.0120.00717.53
7.1.50.0040.00616.34
7.1.40.0120.00015.78
7.1.30.0030.01415.84
7.1.20.0000.00915.86
7.1.10.0030.01315.70
7.1.00.0040.04419.13
7.0.330.0000.00815.47
7.0.320.0030.01215.52
7.0.310.0040.00415.61
7.0.300.0050.00615.20
7.0.290.0040.00415.59
7.0.280.0100.00715.48
7.0.270.0030.01015.14
7.0.260.0030.01315.51
7.0.250.0070.01115.48
7.0.240.0100.00015.30
7.0.230.0030.00615.22
7.0.220.0090.00915.21
7.0.210.0000.01315.30
7.0.200.0020.01016.16
7.0.190.0040.01215.18
7.0.180.0110.00015.32
7.0.170.0040.00415.41
7.0.160.0110.00415.55
7.0.150.0070.01115.18
7.0.140.0030.04318.73
7.0.130.0000.00815.36
7.0.120.0080.00415.59
7.0.110.0030.01015.50
7.0.100.0040.00815.40
7.0.90.0060.00315.53
7.0.80.0030.00515.59
7.0.70.0030.01015.43
7.0.60.0140.03417.71
7.0.50.0080.03516.66
7.0.40.0080.04516.76
7.0.30.0140.02616.89
7.0.20.0150.02316.81
7.0.10.0160.04216.84
7.0.00.0060.02416.92
5.6.400.0000.00814.53
5.6.390.0030.01314.34
5.6.380.0000.01014.25
5.6.370.0040.00714.36
5.6.360.0100.00314.52
5.6.350.0050.00314.32
5.6.340.0040.00914.19
5.6.330.0070.00714.15
5.6.320.0040.01214.47
5.6.310.0100.00614.42
5.6.300.0030.01013.89
5.6.290.0030.01014.54
5.6.280.0050.04117.40
5.6.270.0040.00914.33
5.6.260.0040.00914.03
5.6.250.0000.01614.26
5.6.240.0040.00714.43
5.6.230.0060.00614.72
5.6.220.0000.00914.36
5.6.210.0050.04517.35
5.6.200.0050.03316.14
5.6.190.0080.04317.42
5.6.180.0150.02817.45
5.6.170.0180.02717.40
5.6.160.0100.03917.39
5.6.150.0100.02516.16
5.6.140.0070.04316.14
5.6.130.0070.03816.28
5.6.120.0030.04917.78
5.6.110.0110.03617.63
5.6.100.0050.03517.80
5.6.90.0080.03517.64
5.6.80.0070.02217.33
5.6.70.0000.00914.42
5.6.60.0030.01314.10
5.6.50.0110.00714.40
5.6.40.0030.01014.03
5.6.30.0100.00314.21
5.6.20.0080.00414.18
5.6.10.0060.00614.31
5.6.00.0070.00714.38
5.5.380.0000.01514.41
5.5.370.0100.00314.44
5.5.360.0030.00513.95
5.5.350.1800.02817.29
5.5.340.0080.04116.20
5.5.330.0030.04617.33
5.5.320.0020.03317.10
5.5.310.0170.03717.32
5.5.300.0100.02216.08
5.5.290.0070.04416.17
5.5.280.0080.04517.50
5.5.270.0150.03817.71
5.5.260.0050.04717.36
5.5.250.0110.03817.55
5.5.240.0120.04517.23
5.5.230.0040.01114.15
5.5.220.0090.00914.18
5.5.210.0100.00314.32
5.5.200.0040.01114.36
5.5.190.0080.00514.34
5.5.180.0000.01114.23
5.5.170.0100.00314.30
5.5.160.0040.00714.36
5.5.150.0060.00714.03
5.5.140.0060.00614.15
5.5.130.0070.00714.32
5.5.120.0000.01414.18
5.5.110.0040.01113.96
5.5.100.0000.01214.14
5.5.90.0050.00314.25
5.5.80.0070.00714.06
5.5.70.0000.01614.33
5.5.60.0090.00013.91
5.5.50.0060.00314.27
5.5.40.0030.01013.96
5.5.30.0100.00314.41
5.5.20.0040.00414.31
5.5.10.0030.01214.25
5.5.00.0100.00714.21
5.4.450.0450.03316.31
5.4.440.0360.03616.26
5.4.430.0070.03216.26
5.4.420.0320.00516.27
5.4.410.0320.00716.15
5.4.400.0310.00316.10
5.4.390.0320.00216.05
5.4.380.0390.00316.16
5.4.370.0340.00016.03
5.4.360.0300.00415.99
5.4.350.0340.00416.11
5.4.340.0060.02012.51
5.4.330.0030.00713.05
5.4.320.0060.02312.75
5.4.310.0030.02412.75
5.4.300.0050.02112.75
5.4.290.0030.02512.75
5.4.280.0040.02012.70
5.4.270.0050.02212.70
5.4.260.0030.02212.70
5.4.250.0050.02012.70
5.4.240.0060.02112.70
5.4.230.0070.02112.69
5.4.220.0080.02312.70
5.4.210.0070.02012.69
5.4.200.0070.02112.70
5.4.190.0080.02012.69
5.4.180.0040.02112.69
5.4.170.0060.02312.70
5.4.160.0030.02312.70
5.4.150.0090.01912.70
5.4.140.0060.02012.54
5.4.130.0020.02412.53
5.4.120.0030.02312.51
5.4.110.0040.02312.51
5.4.100.0090.02612.51
5.4.90.0060.02112.51
5.4.80.0060.02112.51
5.4.70.0060.01912.51
5.4.60.0050.02412.51
5.4.50.0060.02412.51
5.4.40.0090.01712.50
5.4.30.0050.02212.50
5.4.20.0060.02212.50
5.4.10.0060.01912.50
5.4.00.0050.02912.24
5.3.290.0050.04212.80
5.3.280.0060.03812.71
5.3.270.0070.05312.72
5.3.260.0060.03912.71
5.3.250.0080.04512.72
5.3.240.0120.03412.72
5.3.230.0050.03812.71
5.3.220.0060.03612.68
5.3.210.0050.04312.68
5.3.200.0050.03712.68
5.3.190.0080.03512.68
5.3.180.0090.03412.67
5.3.170.0060.03612.67
5.3.160.0110.04012.67
5.3.150.0070.03712.67
5.3.140.0080.03412.66
5.3.130.0050.04012.66
5.3.120.0090.03612.66
5.3.110.0070.03912.66
5.3.100.0070.03612.11
5.3.90.0040.03912.08
5.3.80.0040.03812.07
5.3.70.0080.03312.08
5.3.60.0070.03512.06
5.3.50.0080.03712.00
5.3.40.0060.03812.00
5.3.30.0060.03511.95
5.3.20.0080.03311.72
5.3.10.0070.03311.69
5.3.00.0060.03511.67
5.2.170.0030.0339.18
5.2.160.0050.0299.18
5.2.150.0010.0379.18
5.2.140.0070.0329.18
5.2.130.0070.0409.14
5.2.120.0080.0309.13
5.2.110.0020.0389.14
5.2.100.0050.0309.14
5.2.90.0050.0349.14
5.2.80.0040.0389.14
5.2.70.0060.0409.13
5.2.60.0020.0349.09
5.2.50.0040.0329.06
5.2.40.0030.0319.03
5.2.30.0020.0339.01
5.2.20.0040.0309.01
5.2.10.0040.0298.93
5.2.00.0040.0308.79
5.1.60.0020.0328.07
5.1.50.0040.0278.06
5.1.40.0060.0248.05
5.1.30.0030.0288.40
5.1.20.0060.0258.42
5.1.10.0020.0288.14
5.1.00.0050.0258.14
5.0.50.0040.0206.62
5.0.40.0050.0186.48
5.0.30.0010.0346.29
5.0.20.0050.0186.26
5.0.10.0050.0186.24
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0040.0184.76
4.4.70.0040.0194.75
4.4.60.0020.0184.75
4.4.50.0010.0174.77
4.4.40.0010.0294.71
4.4.30.0050.0134.76
4.4.20.0030.0214.84
4.4.10.0040.0154.85
4.4.00.0020.0264.76
4.3.110.0030.0154.67
4.3.100.0040.0194.66
4.3.90.0050.0144.63
4.3.80.0030.0254.58
4.3.70.0030.0174.63
4.3.60.0030.0154.63
4.3.50.0010.0184.63
4.3.40.0050.0224.54
4.3.30.0020.0163.29
4.3.20.0000.0183.27
4.3.10.0020.0163.22
4.3.00.0100.0307.14

preferences:
41.52 ms | 400 KiB | 5 Q