3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$array) { $copy = $array; foreach ($copy as $value) { $value = 'c'; } } $arr = array('a', 'b'); foo($arr);

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)
8.3.40.0140.00018.71
8.3.30.0100.00318.97
8.3.20.0040.00420.07
8.3.10.0040.00423.53
8.3.00.0000.00718.92
8.2.170.0090.00622.96
8.2.160.0080.00620.21
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0000.00722.26
8.2.110.0090.00022.16
8.2.100.0060.00619.51
8.2.90.0030.00618.99
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0000.00718.04
8.2.50.0040.00418.07
8.2.40.0000.00918.16
8.2.30.0040.00419.98
8.2.20.0070.00017.59
8.2.10.0040.00417.99
8.2.00.0000.00717.66
8.1.270.0090.00024.02
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0060.00323.84
8.1.230.0070.00419.00
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0060.00317.36
8.1.190.0060.00617.00
8.1.180.0060.00319.01
8.1.170.0040.00418.50
8.1.160.0000.00721.91
8.1.150.0030.00618.63
8.1.140.0050.00317.44
8.1.130.0000.00717.86
8.1.120.0000.00717.34
8.1.110.0030.00617.43
8.1.100.0040.00417.42
8.1.90.0030.00317.44
8.1.80.0000.00717.39
8.1.70.0030.00317.38
8.1.60.0050.00317.53
8.1.50.0050.00217.37
8.1.40.0040.00417.51
8.1.30.0070.00017.72
8.1.20.0040.00417.64
8.1.10.0050.00217.39
8.1.00.0060.00317.31
8.0.300.0040.00418.77
8.0.290.0050.00317.05
8.0.280.0030.00318.38
8.0.270.0050.00217.18
8.0.260.0030.00317.29
8.0.250.0000.00716.94
8.0.240.0060.00316.85
8.0.230.0040.00416.88
8.0.220.0050.00216.88
8.0.210.0040.00416.75
8.0.200.0000.00716.87
8.0.190.0000.00716.80
8.0.180.0040.00416.88
8.0.170.0030.00516.91
8.0.160.0000.00716.91
8.0.150.0030.00316.72
8.0.140.0090.00016.85
8.0.130.0000.00613.29
8.0.120.0080.00016.91
8.0.110.0000.00816.71
8.0.100.0040.00416.81
8.0.90.0040.00416.78
8.0.80.0180.00316.86
8.0.70.0040.00416.76
8.0.60.0000.00816.82
8.0.50.0040.00416.75
8.0.30.0110.01017.09
8.0.20.0080.01117.40
8.0.10.0050.00217.03
8.0.00.0100.00916.79
7.4.330.0050.00015.02
7.4.320.0030.00316.39
7.4.300.0000.00616.49
7.4.290.0060.00016.48
7.4.280.0000.00716.48
7.4.270.0050.00316.56
7.4.260.0070.00016.46
7.4.250.0040.00416.59
7.4.240.0020.00616.57
7.4.230.0040.00316.37
7.4.220.0080.01216.63
7.4.210.0090.00516.56
7.4.200.0030.00316.37
7.4.190.0030.00316.30
7.4.160.0160.00016.44
7.4.150.0140.00317.40
7.4.140.0120.01017.86
7.4.130.0070.01216.50
7.4.120.0150.00416.44
7.4.110.0090.01216.48
7.4.100.0120.00816.49
7.4.90.0060.01016.56
7.4.80.0090.01219.39
7.4.70.0060.01216.54
7.4.60.0030.01416.50
7.4.50.0060.00316.54
7.4.40.0090.00916.46
7.4.30.0160.00016.22
7.4.10.0100.01015.14
7.4.00.0100.00215.00
7.3.330.0030.00313.21
7.3.320.0000.00513.16
7.3.310.0000.00716.41
7.3.300.0060.00016.35
7.3.290.0060.01316.27
7.3.280.0090.01016.30
7.3.270.0100.00717.40
7.3.260.0060.01016.34
7.3.250.0100.01216.24
7.3.240.0030.01316.50
7.3.230.0140.00316.39
7.3.210.0100.00616.30
7.3.200.0100.00719.39
7.3.190.0130.00716.30
7.3.180.0080.00816.59
7.3.170.0060.00916.39
7.3.160.0120.00316.30
7.3.130.0060.01114.78
7.3.120.0100.00514.78
7.3.110.0040.01414.89
7.3.100.0080.00614.80
7.3.90.0030.00914.61
7.3.80.0040.00414.57
7.3.70.0100.00314.84
7.3.60.0070.00714.89
7.3.50.0030.01014.77
7.3.40.0060.00914.79
7.3.30.0030.00914.59
7.3.20.0100.00316.52
7.3.10.0110.00316.40
7.3.00.0100.00516.72
7.2.330.0030.01416.37
7.2.320.0140.00316.61
7.2.310.0090.00916.63
7.2.300.0100.00616.71
7.2.290.0100.00616.56
7.2.260.0080.00414.86
7.2.250.0120.00614.65
7.2.240.0030.01015.09
7.2.230.0040.01114.77
7.2.220.0130.00315.11
7.2.210.0120.00014.94
7.2.200.0000.01315.11
7.2.190.0040.01115.12
7.2.180.0030.01015.04
7.2.170.0030.00614.88
7.2.160.0000.01315.02
7.2.150.0090.00316.95
7.2.140.0070.00716.65
7.2.130.0040.01016.79
7.2.120.0080.00316.89
7.2.110.0090.00516.81
7.2.100.0090.00216.93
7.2.90.0060.01016.86
7.2.80.0050.01116.95
7.2.70.0050.01016.99
7.2.60.0030.00916.91
7.2.50.0020.01116.86
7.2.40.0070.00616.96
7.2.30.0030.00916.80
7.2.20.0070.00716.81
7.2.10.0050.00916.70
7.2.00.0020.01217.70
7.1.330.0030.01015.97
7.1.320.0030.00915.86
7.1.310.0040.00715.88
7.1.300.0070.00715.68
7.1.290.0060.00815.79
7.1.280.0060.00615.63
7.1.270.0000.01515.85
7.1.260.0070.00715.75
7.1.250.0060.00715.68
7.1.240.0040.00815.54
7.1.230.0030.00715.68
7.1.220.0070.00715.64
7.1.210.0060.01015.54
7.1.200.0030.00915.63
7.1.190.0070.00715.86
7.1.180.0000.01115.72
7.1.170.0100.00315.85
7.1.160.0030.00915.63
7.1.150.0000.01315.94
7.1.140.0060.00615.87
7.1.130.0070.00715.89
7.1.120.0040.01115.61
7.1.110.0060.00915.65
7.1.100.0050.00516.83
7.1.90.0100.00315.80
7.1.80.0040.00715.70
7.1.70.0020.01416.36
7.1.60.0120.00517.54
7.1.50.0120.00916.28
7.1.40.0040.00415.84
7.1.30.0030.01315.54
7.1.20.0090.00615.69
7.1.10.0060.00615.76
7.1.00.0020.04319.16
7.0.330.0030.00615.20
7.0.320.0070.00715.54
7.0.310.0000.01415.47
7.0.300.0040.00415.37
7.0.290.0100.00315.42
7.0.280.0040.00415.50
7.0.270.0000.00815.11
7.0.260.0000.01415.50
7.0.250.0090.00915.20
7.0.240.0030.01015.46
7.0.230.0000.01215.52
7.0.220.0070.00715.43
7.0.210.0030.00715.41
7.0.200.0080.00516.28
7.0.190.0080.00815.38
7.0.180.0050.00915.57
7.0.170.0040.00815.55
7.0.160.0060.00915.04
7.0.150.0070.00715.45
7.0.140.0040.03818.82
7.0.130.0080.00815.58
7.0.120.0100.00715.57
7.0.110.0090.00615.60
7.0.100.0000.00815.38
7.0.90.0000.01315.32
7.0.80.0030.01015.33
7.0.70.0000.01315.55
7.0.60.0060.04617.66
7.0.50.0030.02616.73
7.0.40.0070.02216.68
7.0.30.0120.02516.86
7.0.20.0100.04916.95
7.0.10.0030.02616.92
7.0.00.0050.04716.77
5.6.400.0050.00314.53
5.6.390.0030.00714.42
5.6.380.0100.00714.05
5.6.370.0040.00714.51
5.6.360.0070.00714.32
5.6.350.0060.00614.29
5.6.340.0040.00714.63
5.6.330.0000.01214.16
5.6.320.0000.01114.16
5.6.310.0090.00614.60
5.6.300.0000.00814.53
5.6.290.0040.00714.57
5.6.280.0050.04217.62
5.6.270.0070.01014.63
5.6.260.0090.00914.64
5.6.250.0120.00314.21
5.6.240.0060.00314.30
5.6.230.0000.01414.41
5.6.220.0000.01014.26
5.6.210.0100.02517.41
5.6.200.0000.02916.16
5.6.190.0050.02517.56
5.6.180.0070.02717.32
5.6.170.0150.03917.39
5.6.160.0020.02717.33
5.6.150.0070.02516.17
5.6.140.0100.04016.08
5.6.130.0110.03616.26
5.6.120.0050.04517.74
5.6.110.0070.04217.70
5.6.100.0090.04117.51
5.6.90.0080.03717.78
5.6.80.0090.02517.40
5.6.70.0000.01414.04
5.6.60.0100.00314.03
5.6.50.0000.00914.20
5.6.40.0030.01314.19
5.6.30.0080.00613.90
5.6.20.0030.01314.11
5.6.10.0060.00613.93
5.6.00.0070.01014.22
5.5.380.0030.01213.93
5.5.370.0060.00614.23
5.5.360.0030.01014.24
5.5.350.2080.02117.24
5.5.340.0050.02316.22
5.5.330.0050.04717.26
5.5.320.0150.02517.32
5.5.310.0200.04217.16
5.5.300.0100.04015.99
5.5.290.0060.04116.07
5.5.280.0020.03717.67
5.5.270.0150.02317.67
5.5.260.0070.03017.49
5.5.250.0090.04017.35
5.5.240.0030.04217.04
5.5.230.0030.01214.21
5.5.220.0030.01314.15
5.5.210.0050.00514.12
5.5.200.0030.00714.33
5.5.190.0090.00613.82
5.5.180.0040.00414.22
5.5.170.0060.00914.20
5.5.160.0100.00613.88
5.5.150.0060.00914.27
5.5.140.0000.01513.93
5.5.130.0120.00314.01
5.5.120.0080.00814.26
5.5.110.0070.00714.26
5.5.100.0070.00314.38
5.5.90.0060.00613.85
5.5.80.0070.00714.31
5.5.70.0100.00314.31
5.5.60.0090.00613.90
5.5.50.0000.00913.95
5.5.40.0080.00413.96
5.5.30.0030.01014.02
5.5.20.0110.00314.07
5.5.10.0120.00314.21
5.5.00.0030.00914.14
5.4.450.0420.03515.50
5.4.440.0330.03015.54
5.4.430.0370.03115.59
5.4.420.0500.03815.62
5.4.410.0750.03515.36
5.4.400.0580.03515.37
5.4.390.0420.03415.37
5.4.380.0120.02815.04
5.4.370.0120.02515.23
5.4.360.0080.02915.11
5.4.350.0030.03615.09
5.4.340.0080.02815.15
5.4.330.0070.00311.61
5.4.320.0040.02212.06
5.4.310.0080.02112.06
5.4.300.0050.01912.06
5.4.290.0110.03712.06
5.4.280.0120.02612.01
5.4.270.0130.03812.01
5.4.260.0050.03112.00
5.4.250.0140.02612.00
5.4.240.0110.02412.01
5.4.230.0080.02812.00
5.4.220.0120.05512.00
5.4.210.0090.03412.00
5.4.200.0090.03612.00
5.4.190.0070.03512.00
5.4.180.0120.04012.00
5.4.170.0160.03312.00
5.4.160.0140.03312.00
5.4.150.0100.02712.00
5.4.140.0100.03611.84
5.4.130.0090.04011.84
5.4.120.0040.03811.81
5.4.110.0070.03011.81
5.4.100.0080.03111.81
5.4.90.0070.04011.81
5.4.80.0060.03011.81
5.4.70.0070.03811.81
5.4.60.0070.03411.81
5.4.50.0070.03111.81
5.4.40.0070.02211.81
5.4.30.0060.02011.80
5.4.20.0100.02411.80
5.4.10.0080.02511.80
5.4.00.0070.03411.55
5.3.290.0100.01812.21
5.3.280.0050.02512.16
5.3.270.0100.02312.17
5.3.260.0100.02812.17
5.3.250.0080.02912.17
5.3.240.0100.02812.17
5.3.230.0070.02712.16
5.3.220.0080.02712.15
5.3.210.0080.02912.15
5.3.200.0070.02112.15
5.3.190.0070.02912.14
5.3.180.0060.03012.14
5.3.170.0030.02512.14
5.3.160.0060.02012.14
5.3.150.0060.02212.14
5.3.140.0080.01812.14
5.3.130.0070.02512.14
5.3.120.0110.03412.13
5.3.110.0090.02612.13
5.3.100.0040.02811.86
5.3.90.0080.02711.86
5.3.80.0070.02811.85
5.3.70.0090.04511.85
5.3.60.0100.04411.84
5.3.50.0120.03711.82
5.3.40.0090.03111.82
5.3.30.0080.02511.79
5.3.20.0090.02511.69
5.3.10.0170.04011.67
5.3.00.0080.03011.66
5.2.170.0060.0509.22
5.2.160.0100.0289.22
5.2.150.0080.0319.22
5.2.140.0070.0329.21
5.2.130.0060.0379.17
5.2.120.0050.0319.17
5.2.110.0140.0349.18
5.2.100.0080.0309.17
5.2.90.0080.0309.18
5.2.80.0080.0299.16
5.2.70.0060.0429.16
5.2.60.0190.0649.13
5.2.50.0220.0679.10
5.2.40.0170.0429.07
5.2.30.0090.0489.04
5.2.20.0190.0609.04
5.2.10.0270.0708.94
5.2.00.0040.0368.80
5.1.60.0040.0368.09
5.1.50.0070.0298.09
5.1.40.0060.0308.06
5.1.30.0040.0338.41
5.1.20.0080.0338.43
5.1.10.0030.0308.16
5.1.00.0040.0318.16
5.0.50.0050.0346.64
5.0.40.0100.0346.50
5.0.30.0050.0436.30
5.0.20.0080.0446.28
5.0.10.0050.0456.26
5.0.00.0100.0616.25
4.4.90.0120.0524.78
4.4.80.0090.0134.75
4.4.70.0040.0154.76
4.4.60.0050.0194.75
4.4.50.0050.0264.77
4.4.40.0060.0264.71
4.4.30.0020.0194.76
4.4.20.0110.0314.85
4.4.10.0100.0354.85
4.4.00.0040.0384.76
4.3.110.0060.0234.67
4.3.100.0040.0234.66
4.3.90.0050.0234.64
4.3.80.0030.0374.58
4.3.70.0060.0224.63
4.3.60.0050.0224.62
4.3.50.0030.0174.63
4.3.40.0070.0284.54
4.3.30.0020.0233.30
4.3.20.0020.0213.28
4.3.10.0030.0213.24
4.3.00.0000.0237.94

preferences:
45.4 ms | 400 KiB | 5 Q