3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a', 'b'); foreach ($a as $key => $val) { $a[2] .= 'a'; var_dump($a); } 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)
8.3.60.0110.00718.80
8.3.50.0130.00821.08
8.3.40.0110.00318.87
8.3.30.0140.00319.13
8.3.20.0050.00320.27
8.3.10.0040.00420.52
8.3.00.0050.00319.26
8.2.180.0060.00916.63
8.2.170.0040.01122.96
8.2.160.0000.01720.25
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00022.23
8.2.110.0090.00020.52
8.2.100.0060.00618.03
8.2.90.0070.00019.21
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0000.00817.92
8.2.50.0080.00318.07
8.2.40.0040.00418.34
8.2.30.0000.00818.00
8.2.20.0000.00917.81
8.2.10.0040.00418.11
8.2.00.0000.00717.71
8.1.280.0070.00725.92
8.1.270.0080.00023.92
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00421.79
8.1.230.0080.00323.73
8.1.220.0040.00417.77
8.1.210.0060.00318.77
8.1.200.0030.00717.22
8.1.190.0000.00817.10
8.1.180.0080.00018.10
8.1.170.0080.00018.57
8.1.160.0040.00422.02
8.1.150.0000.00718.92
8.1.140.0040.00417.49
8.1.130.0030.00317.70
8.1.120.0030.00417.43
8.1.110.0000.00917.38
8.1.100.0040.00417.45
8.1.90.0000.00717.44
8.1.80.0040.00417.45
8.1.70.0030.00317.41
8.1.60.0000.00917.58
8.1.50.0040.00417.44
8.1.40.0040.00417.56
8.1.30.0030.00517.66
8.1.20.0000.00717.62
8.1.10.0040.00417.48
8.1.00.0050.00217.30
8.0.300.0050.00318.77
8.0.290.0060.00316.75
8.0.280.0000.00718.44
8.0.270.0040.00417.25
8.0.260.0030.00317.16
8.0.250.0000.00716.96
8.0.240.0000.00616.91
8.0.230.0000.00716.90
8.0.220.0030.00316.93
8.0.210.0000.00716.88
8.0.200.0050.00217.02
8.0.190.0080.00416.92
8.0.180.0000.00716.99
8.0.170.0060.00316.97
8.0.160.0030.00316.94
8.0.150.0040.00416.79
8.0.140.0020.00516.95
8.0.130.0050.00013.28
8.0.120.0020.00516.91
8.0.110.0040.00416.98
8.0.100.0000.00717.01
8.0.90.0050.00217.06
8.0.80.0070.01016.92
8.0.70.0080.00016.85
8.0.60.0040.00416.84
8.0.50.0000.00716.97
8.0.30.0100.00716.85
8.0.20.0130.00617.40
8.0.10.0040.00417.13
8.0.00.0100.00716.85
7.4.330.0000.00515.00
7.4.320.0030.00316.53
7.4.300.0020.00416.40
7.4.290.0070.00016.63
7.4.280.0030.00516.60
7.4.270.0070.00016.48
7.4.260.0050.00316.48
7.4.250.0040.00416.56
7.4.240.0040.00416.57
7.4.230.0030.00316.57
7.4.220.0060.01316.52
7.4.210.0040.01116.57
7.4.200.0030.00316.59
7.4.160.0060.00916.61
7.4.150.0100.01017.40
7.4.140.0160.00517.86
7.4.130.0110.01116.50
7.4.120.0080.00916.61
7.4.110.0030.01316.46
7.4.100.0140.00416.70
7.4.90.0100.00716.61
7.4.80.0120.00619.39
7.4.70.0080.00816.61
7.4.60.0100.00716.62
7.4.50.0000.00416.51
7.4.40.0030.01316.41
7.4.30.0120.00416.29
7.4.10.0150.00316.44
7.4.00.0090.01115.77
7.3.330.0000.00613.20
7.3.320.0060.00013.30
7.3.310.0040.00416.31
7.3.300.0030.00316.44
7.3.290.0160.00316.37
7.3.280.0110.00916.40
7.3.270.0030.01417.40
7.3.260.0090.01516.59
7.3.250.0100.00716.32
7.3.240.0100.00716.30
7.3.230.0080.00916.41
7.3.210.0140.00316.48
7.3.200.0060.01316.31
7.3.190.0030.01716.31
7.3.180.0100.00616.39
7.3.170.0100.00716.46
7.3.160.0130.00316.37
7.3.130.0130.00716.36
7.3.120.0180.00016.45
7.3.110.0070.01116.40
7.3.100.0000.01316.36
7.3.90.0070.01016.39
7.3.80.0040.01116.37
7.3.70.0120.00916.25
7.3.60.0110.00916.27
7.3.50.0080.01216.20
7.3.40.0070.01016.16
7.3.30.0030.01716.36
7.3.20.0090.01118.20
7.3.10.0100.00518.35
7.3.00.0160.00518.02
7.2.330.0090.00916.32
7.2.320.0150.00416.41
7.2.310.0070.01116.57
7.2.300.0110.00616.61
7.2.290.0120.00816.73
7.2.260.0060.01116.50
7.2.250.0060.01316.67
7.2.240.0030.01716.35
7.2.230.0110.00416.63
7.2.220.0040.00716.44
7.2.210.0120.00816.37
7.2.200.0130.00316.41
7.2.190.0070.00716.43
7.2.180.0030.01216.43
7.2.170.0110.01116.51
7.2.160.0060.01716.36
7.2.150.0030.01918.54
7.2.140.0170.00318.31
7.2.130.0030.01418.36
7.2.120.0050.01017.41
7.2.110.0040.01017.53
7.2.100.0100.00517.18
7.2.90.0070.00717.38
7.2.80.0070.00417.44
7.2.70.0080.00617.65
7.2.60.0070.00917.52
7.2.50.0120.00317.63
7.2.40.0050.00917.65
7.2.30.0090.00617.58
7.2.20.0070.01117.55
7.2.10.0070.01017.61
7.2.00.0060.00617.96
7.1.330.0120.00617.52
7.1.320.0090.00917.23
7.1.310.0040.01217.42
7.1.300.0080.00917.16
7.1.290.0120.00617.29
7.1.280.0110.01117.18
7.1.270.0060.01317.31
7.1.260.0100.00717.27
7.1.250.0120.00417.32
7.1.240.0050.01016.56
7.1.230.0090.00316.61
7.1.220.0050.00916.50
7.1.210.0040.00916.43
7.1.200.0060.00616.20
7.1.190.0070.01016.67
7.1.180.0040.00616.51
7.1.170.0100.00516.37
7.1.160.0020.00816.47
7.1.150.0060.00716.48
7.1.140.0070.00816.51
7.1.130.0050.00716.61
7.1.120.0050.00916.64
7.1.110.0050.01016.70
7.1.100.0040.00816.90
7.1.90.0100.00616.48
7.1.80.0030.01116.60
7.1.70.0050.00816.79
7.1.60.0070.00917.47
7.1.50.0070.00716.57
7.1.40.0110.00416.62
7.1.30.0030.00616.57
7.1.20.0060.00516.59
7.1.10.0060.00616.66
7.1.00.0060.02918.52
7.0.330.0030.01017.00
7.0.320.0090.00516.26
7.0.310.0090.00416.06
7.0.300.0100.00516.08
7.0.290.0070.00616.26
7.0.280.0080.00516.16
7.0.270.0080.00516.11
7.0.260.0050.00616.30
7.0.250.0050.01016.32
7.0.240.0060.00716.19
7.0.230.0060.00616.33
7.0.220.0050.00616.14
7.0.210.0060.00616.27
7.0.200.0060.00716.41
7.0.190.0060.00716.21
7.0.180.0040.00616.10
7.0.170.0070.00516.15
7.0.160.0050.00916.14
7.0.150.0090.00316.22
7.0.140.0020.03018.18
7.0.130.0050.00616.13
7.0.120.0020.01116.18
7.0.110.0120.00316.21
7.0.100.0070.00816.24
7.0.90.0080.00916.16
7.0.80.0030.01016.12
7.0.70.0030.00916.25
7.0.60.0090.03117.33
7.0.50.0060.02916.69
7.0.40.0060.03316.04
7.0.30.0180.02916.22
7.0.20.0120.01816.15
7.0.10.0020.01816.15
7.0.00.0050.01816.21
5.6.400.0060.01015.70
5.6.390.0030.01215.70
5.6.380.0050.01015.10
5.6.370.0060.00615.14
5.6.360.0070.00715.10
5.6.350.0050.00715.07
5.6.340.0030.00715.25
5.6.330.0090.00715.31
5.6.320.0030.01215.06
5.6.310.0030.00915.21
5.6.300.0060.00614.87
5.6.290.0080.00315.20
5.6.280.0040.02917.02
5.6.270.0070.00415.07
5.6.260.0050.00714.88
5.6.250.0020.01515.22
5.6.240.0090.00615.01
5.6.230.0090.00715.33
5.6.220.0060.00915.08
5.6.210.0080.03216.90
5.6.200.0040.02116.12
5.6.190.0080.02716.97
5.6.180.0140.02116.98
5.6.170.0140.02916.85
5.6.160.0070.01616.80
5.6.150.0080.03016.07
5.6.140.0020.03316.10
5.6.130.0100.02516.20
5.6.120.0060.01617.01
5.6.110.0100.01917.10
5.6.100.0100.03216.97
5.6.90.0040.02117.21
5.6.80.0010.03416.80
5.6.70.0040.00914.95
5.6.60.0050.00615.05
5.6.50.0070.00714.87
5.6.40.0030.01215.14
5.6.30.0050.01015.04
5.6.20.0080.00515.01
5.6.10.0030.00615.08
5.6.00.0100.00515.04
5.5.380.0070.00813.58
5.5.370.0040.00613.53
5.5.360.0050.00413.34
5.5.350.0100.03315.81
5.5.340.0070.02815.05
5.5.330.0070.03115.76
5.5.320.0210.02515.84
5.5.310.0110.01815.83
5.5.300.0080.03014.97
5.5.290.0080.03115.03
5.5.280.0030.02015.94
5.5.270.0100.01915.83
5.5.260.0080.02815.90
5.5.250.0070.03315.83
5.5.240.0090.03215.78
5.5.230.0090.00313.45
5.5.220.0060.00713.47
5.5.210.0050.00913.49
5.5.200.0040.00713.32
5.5.190.0070.00513.50
5.5.180.0030.00613.47
5.5.170.0030.01014.99
5.5.160.0040.00613.59
5.5.150.0040.00813.41
5.5.140.0020.01113.36
5.5.130.0060.00613.34
5.5.120.0060.00713.50
5.5.110.0070.00713.49
5.5.100.0050.00613.44
5.5.90.0050.00613.46
5.5.80.0040.00913.57
5.5.70.0030.00713.57
5.5.60.0050.00813.34
5.5.50.0030.00913.55
5.5.40.0050.00813.42
5.5.30.0050.00713.44
5.5.20.0060.00713.38
5.5.10.0010.01113.31
5.5.00.0100.00313.40
5.4.450.0040.01914.41
5.4.440.0290.02214.34
5.4.430.0290.02514.44
5.4.420.0250.00414.46
5.4.410.0220.00514.42
5.4.400.0250.00314.32
5.4.390.0240.00214.33
5.4.380.0260.00214.27
5.4.370.0240.00314.19
5.4.360.0270.00114.24
5.4.350.0240.00314.33
5.4.340.0250.00314.26
5.4.330.0030.00811.83
5.4.320.0070.01412.04
5.4.310.0050.01712.04
5.4.300.0050.01912.11
5.4.290.0050.01712.11
5.4.280.0020.01712.04
5.4.270.0030.01911.96
5.4.260.0040.02012.03
5.4.250.0050.01711.99
5.4.240.0050.01611.93
5.4.230.0060.01611.96
5.4.220.0050.01511.99
5.4.210.0030.01812.01
5.4.200.0040.01811.98
5.4.190.0060.01712.10
5.4.180.0050.01511.92
5.4.170.0030.01612.03
5.4.160.0060.01711.90
5.4.150.0030.01711.97
5.4.140.0050.01711.95
5.4.130.0040.01611.84
5.4.120.0060.01511.81
5.4.110.0070.01211.87
5.4.100.0050.01611.87
5.4.90.0050.01811.88
5.4.80.0080.01611.85
5.4.70.0040.01911.86
5.4.60.0030.01711.85
5.4.50.0040.01911.93
5.4.40.0070.01311.89
5.4.30.0050.01611.92
5.4.20.0030.01811.87
5.4.10.0080.01511.88
5.4.00.0050.01611.71
5.3.290.0080.01912.04
5.3.280.0020.02111.99
5.3.270.0070.02012.00
5.3.260.0090.01812.00
5.3.250.0040.02211.99
5.3.240.0040.02211.99
5.3.230.0060.01911.99
5.3.220.0080.01911.97
5.3.210.0060.02511.97
5.3.200.0060.02011.97
5.3.190.0060.02411.97
5.3.180.0010.02511.97
5.3.170.0020.02511.97
5.3.160.0060.01811.97
5.3.150.0060.01911.97
5.3.140.0030.02111.97
5.3.130.0080.02311.96
5.3.120.0050.02211.96
5.3.110.0060.02011.96
5.3.100.0040.02111.69
5.3.90.0040.02211.68
5.3.80.0030.02211.67
5.3.70.0060.02111.67
5.3.60.0020.02311.67
5.3.50.0050.02111.63
5.3.40.0040.02211.64
5.3.30.0080.01711.61
5.3.20.0050.02011.49
5.3.10.0050.02411.48
5.3.00.0020.02211.47
5.2.170.0060.01710.22
5.2.160.0060.01910.22
5.2.150.0010.01810.22
5.2.140.0040.01710.22
5.2.130.0060.01410.20
5.2.120.0040.01910.20
5.2.110.0020.02010.21
5.2.100.0070.01410.20
5.2.90.0040.01710.20
5.2.80.0050.02110.20
5.2.70.0040.01910.20
5.2.60.0040.02210.18
5.2.50.0070.01910.16
5.2.40.0060.01510.15
5.2.30.0050.01910.14
5.2.20.0040.01710.13
5.2.10.0050.01510.09
5.2.00.0030.01710.02
5.1.60.0020.0139.66
5.1.50.0080.0109.66
5.1.40.0040.0149.65
5.1.30.0050.0149.83
5.1.20.0030.0169.84
5.1.10.0020.0179.70
5.1.00.0020.0159.70
5.0.50.0030.0138.94
5.0.40.0040.0118.87
5.0.30.0050.0188.78
5.0.20.0050.0138.76
5.0.10.0060.0098.75
5.0.00.0020.0188.75
4.4.90.0020.0108.02
4.4.80.0010.0108.01
4.4.70.0040.0098.01
4.4.60.0010.0118.01
4.4.50.0020.0108.02
4.4.40.0020.0207.99
4.4.30.0040.0128.01
4.4.20.0060.0098.06
4.4.10.0050.0128.06
4.4.00.0020.0168.01
4.3.110.0020.0107.97
4.3.100.0010.0117.97
4.3.90.0020.0117.95
4.3.80.0050.0107.93
4.3.70.0030.0097.95
4.3.60.0020.0097.95
4.3.50.0020.0107.95
4.3.40.0020.0157.90
4.3.30.0030.0097.28
4.3.20.0030.0097.27
4.3.10.0020.0107.24
4.3.00.0080.01013.89

preferences:
41.64 ms | 401 KiB | 5 Q