3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array(1, 2, 3, 4, 5); unset($x[3]); var_dump($x);

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)
8.3.40.0110.00418.67
8.3.30.0040.01218.88
8.3.20.0040.00420.22
8.3.10.0060.00323.45
8.3.00.0040.00419.67
8.2.170.0070.00722.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0150.00326.16
8.2.120.0040.00421.10
8.2.110.0040.00422.21
8.2.100.0070.00420.53
8.2.90.0050.00219.05
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0040.00419.95
8.2.30.0030.00518.28
8.2.20.0070.00017.66
8.2.10.0020.00517.91
8.2.00.0000.00717.48
8.1.270.0080.00023.75
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0050.00521.89
8.1.230.0070.00318.95
8.1.220.0050.00317.74
8.1.210.0030.01018.77
8.1.200.0000.00917.36
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0040.00418.51
8.1.160.0040.00421.93
8.1.150.0040.00418.51
8.1.140.0000.00717.31
8.1.130.0030.00317.77
8.1.120.0000.00817.30
8.1.110.0050.00217.29
8.1.100.0040.00417.35
8.1.90.0040.00417.31
8.1.80.0000.00717.37
8.1.70.0050.00317.32
8.1.60.0000.00717.50
8.1.50.0030.00517.36
8.1.40.0090.00017.33
8.1.30.0040.00417.48
8.1.20.0030.00517.54
8.1.10.0040.00417.31
8.1.00.0040.00417.36
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0000.00718.36
8.0.270.0030.00317.19
8.0.260.0060.00017.19
8.0.250.0030.00316.91
8.0.240.0030.00316.75
8.0.230.0080.00216.89
8.0.220.0030.00316.83
8.0.210.0000.00716.79
8.0.200.0000.00616.86
8.0.190.0040.00416.79
8.0.180.0050.00216.75
8.0.170.0000.00816.89
8.0.160.0000.00816.84
8.0.150.0040.00416.65
8.0.140.0000.00716.80
8.0.130.0050.00013.21
8.0.120.0070.00016.77
8.0.110.0080.00016.78
8.0.100.0000.00716.76
8.0.90.0070.00016.81
8.0.80.0000.01516.81
8.0.70.0000.00816.86
8.0.60.0040.00416.88
8.0.50.0070.00016.77
8.0.30.0110.01016.85
8.0.20.0080.01517.40
8.0.10.0000.00716.98
8.0.00.0080.01316.51
7.4.330.0050.00015.15
7.4.320.0000.00616.39
7.4.300.0060.00016.47
7.4.290.0000.00716.58
7.4.280.0040.00416.47
7.4.270.0000.00716.49
7.4.260.0050.00516.49
7.4.250.0000.00716.49
7.4.240.0000.00816.50
7.4.230.0000.00716.29
7.4.220.0140.00316.37
7.4.210.0110.00416.46
7.4.200.0070.00016.60
7.4.160.0100.00516.27
7.4.150.0110.00717.40
7.4.140.0110.01017.86
7.4.130.0120.00616.51
7.4.120.0050.01316.42
7.4.110.0100.00716.41
7.4.100.0100.00716.25
7.4.90.0080.00816.68
7.4.80.0060.01319.39
7.4.70.0100.00616.38
7.4.60.0140.00316.58
7.4.50.0050.00016.28
7.4.40.0110.00516.59
7.4.30.0120.00316.39
7.4.00.0080.00714.87
7.3.330.0000.00612.95
7.3.320.0050.00012.91
7.3.310.0070.00016.16
7.3.300.0030.00316.17
7.3.290.0100.00316.14
7.3.280.0110.00716.20
7.3.270.0110.01117.40
7.3.260.0030.01616.50
7.3.250.0090.00816.35
7.3.240.0080.00816.29
7.3.230.0130.00316.39
7.3.210.0090.00816.47
7.3.200.0120.00319.39
7.3.190.0140.00316.22
7.3.180.0060.00916.28
7.3.170.0130.00316.27
7.3.160.0090.00616.21
7.3.120.0070.01114.69
7.3.110.0060.01214.81
7.3.100.0070.01014.94
7.3.90.0030.01014.95
7.3.80.0100.00014.78
7.3.70.0030.00714.83
7.3.60.0000.01414.53
7.3.50.0000.01414.64
7.3.40.0030.01014.82
7.3.30.0040.01114.54
7.3.20.0040.01116.63
7.3.10.0030.01016.51
7.3.00.0000.01416.50
7.2.330.0090.01216.26
7.2.320.0120.00916.11
7.2.310.0150.00516.19
7.2.300.0070.01316.24
7.2.290.0090.00616.28
7.2.250.0070.01315.16
7.2.240.0130.00615.03
7.2.230.0090.00915.09
7.2.220.0060.00314.89
7.2.210.0000.01214.65
7.2.200.0110.00314.80
7.2.190.0000.01414.79
7.2.180.0060.00915.01
7.2.170.0070.00714.82
7.2.00.0040.01119.18
7.1.330.0100.00315.51
7.1.320.0060.00915.76
7.1.310.0040.00715.84
7.1.300.0030.00915.78
7.1.290.0000.01215.80
7.1.280.0100.00315.80
7.1.270.0030.00915.79
7.1.260.0070.00715.64
7.1.100.1390.00716.00
7.1.70.0090.00017.16
7.1.60.0180.00619.70
7.1.50.0040.00716.73
7.1.00.0130.06722.45
7.0.200.0030.00616.55
7.0.140.0100.06721.96
7.0.60.0070.08319.88
7.0.50.0070.03717.88
7.0.40.0000.04720.20
7.0.30.0130.04320.34
7.0.20.0430.06720.04
7.0.10.0270.05720.16
7.0.00.0100.04720.09
5.6.280.0100.06721.10
5.6.210.0130.07720.55
5.6.200.0030.04018.18
5.6.190.0030.08020.61
5.6.180.0100.07720.32
5.6.170.0200.07320.37
5.6.160.0130.04320.52
5.6.150.0030.04018.20
5.6.140.0070.05318.18
5.6.130.0170.03018.11
5.6.120.0130.08021.14
5.6.110.0070.04321.08
5.6.100.0030.08020.88
5.6.90.0100.03320.96
5.6.80.0070.04020.52
5.6.70.4300.04020.42
5.5.350.0000.08720.40
5.5.340.0030.05018.01
5.5.330.0130.03720.15
5.5.320.0530.07320.21
5.5.310.0270.04020.30
5.5.300.0030.04018.01
5.5.290.0000.06018.02
5.5.280.0070.04320.64
5.5.270.0130.08720.72
5.5.260.0230.04020.71
5.5.250.0130.06720.48
5.5.240.0000.07720.11
5.4.450.0970.04319.54
5.4.440.0330.04743.92
5.4.430.0370.04043.91
5.4.420.0230.04743.90
5.4.410.0470.04343.90
5.4.400.0300.05043.89
5.4.390.0130.04743.90
5.4.380.0170.05318.69
5.4.370.0270.03718.59
5.4.360.0030.06018.60
5.4.350.0070.06018.50
5.4.340.0070.05718.57
5.4.320.0060.03612.45
5.4.310.0080.04912.45
5.4.300.0050.03712.45
5.4.290.0060.04312.45
5.4.280.0050.03412.34
5.4.270.0040.03712.35
5.4.260.0040.04012.34
5.4.250.0050.04212.34
5.4.240.0110.03612.34
5.4.230.0070.04112.34
5.4.220.0090.03612.34
5.4.210.0070.03712.34
5.4.200.0070.03612.34
5.4.190.0060.03612.33
5.4.180.0060.03512.33
5.4.170.0080.04012.34
5.4.160.0070.03812.34
5.4.150.0090.03812.34
5.4.140.0080.03512.02
5.4.130.0040.03712.01
5.4.120.0070.03611.97
5.4.110.0040.04211.97
5.4.100.0060.04611.96
5.4.90.0060.04011.96
5.4.80.0050.04111.96
5.4.70.0040.03611.96
5.4.60.0050.03611.96
5.4.50.0070.03511.96
5.4.40.0070.03211.95
5.4.30.0050.03611.95
5.4.20.0070.03411.94
5.4.10.0050.03511.95
5.4.00.0040.03711.43
5.3.290.0080.03712.80
5.3.280.0050.03812.71
5.3.270.0040.03912.72
5.3.260.0040.03912.71
5.3.250.0080.03812.72
5.3.240.0040.04012.72
5.3.230.0070.03912.71
5.3.220.0070.03712.68
5.3.210.0070.04112.68
5.3.200.0050.03712.68
5.3.190.0060.03812.67
5.3.180.0080.03312.68
5.3.170.0050.03712.67
5.3.160.0090.04112.67
5.3.150.0080.03512.67
5.3.140.0020.03912.66
5.3.130.0050.03912.66
5.3.120.0060.03812.66
5.3.110.0020.04212.65
5.3.100.0060.03612.11
5.3.90.0080.03512.08
5.3.80.0100.03712.07
5.3.70.0080.03612.07
5.3.60.0050.03912.06
5.3.50.0100.03612.00
5.3.40.0090.04112.00
5.3.30.0070.03411.94
5.3.20.0090.03411.72
5.3.10.0050.03911.69
5.3.00.0090.03311.67
5.2.170.0060.0309.18
5.2.160.0080.0269.18
5.2.150.0050.0309.18
5.2.140.0050.0299.17
5.2.130.0020.0319.13
5.2.120.0040.0289.13
5.2.110.0030.0309.14
5.2.100.0080.0249.14
5.2.90.0040.0309.13
5.2.80.0060.0349.13
5.2.70.0040.0309.13
5.2.60.0060.0289.08
5.2.50.0050.0309.05
5.2.40.0050.0289.03
5.2.30.0050.0289.01
5.2.20.0040.0299.00
5.2.10.0050.0278.92
5.2.00.0030.0338.77
5.1.60.0050.0238.06
5.1.50.0060.0238.06
5.1.40.0060.0228.04
5.1.30.0040.0258.39
5.1.20.0050.0328.41
5.1.10.0050.0258.14
5.1.00.0020.0278.13
5.0.50.0060.0206.61
5.0.40.0040.0196.47
5.0.30.0010.0336.29
5.0.20.0030.0206.25
5.0.10.0040.0206.23
5.0.00.0040.0306.22
4.4.90.0010.0184.78
4.4.80.0030.0164.75
4.4.70.0030.0184.76
4.4.60.0040.0144.75
4.4.50.0060.0134.77
4.4.40.0040.0254.71
4.4.30.0030.0154.76
4.4.20.0040.0164.84
4.4.10.0060.0154.85
4.4.00.0060.0244.75
4.3.110.0050.0174.67
4.3.100.0030.0144.67
4.3.90.0010.0164.63
4.3.80.0030.0274.58
4.3.70.0060.0224.63
4.3.60.0060.0174.63
4.3.50.0030.0154.63
4.3.40.0050.0264.54
4.3.30.0010.0173.29
4.3.20.0020.0163.26
4.3.10.0020.0153.22
4.3.00.0030.01743.86

preferences:
45.05 ms | 400 KiB | 5 Q