3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array("a","b","c"); echo "this is " . $array[3] . "\n"; echo empty($array[3]). "\n"; echo empty($array[2]). "\n";

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)
8.3.40.0140.00418.84
8.3.30.0100.00318.96
8.3.20.0070.00020.04
8.3.10.0060.00321.92
8.3.00.0040.00422.38
8.2.170.0070.00722.96
8.2.160.0140.00021.02
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0110.00417.63
8.2.110.0000.00922.12
8.2.100.0040.00819.57
8.2.90.0080.00019.17
8.2.80.0040.00419.66
8.2.70.0060.00317.63
8.2.60.0060.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00818.22
8.2.30.0060.00318.07
8.2.20.0000.00817.75
8.2.10.0040.00419.58
8.2.00.0040.00417.84
8.1.270.0080.00022.05
8.1.260.0090.00526.35
8.1.250.0000.00828.09
8.1.240.0030.00723.76
8.1.230.0040.00718.98
8.1.220.0060.00317.79
8.1.210.0080.00018.77
8.1.200.0080.00317.35
8.1.190.0000.00817.30
8.1.180.0030.00618.10
8.1.170.0030.00918.59
8.1.160.0000.00722.00
8.1.150.0040.00418.54
8.1.140.0070.00017.36
8.1.130.0030.00317.66
8.1.120.0030.00317.39
8.1.110.0040.00417.45
8.1.100.0000.00717.32
8.1.90.0040.00417.31
8.1.80.0000.00717.27
8.1.70.0030.00317.35
8.1.60.0040.00417.58
8.1.50.0000.00817.56
8.1.40.0000.00717.42
8.1.30.0060.00317.57
8.1.20.0000.00817.61
8.1.10.0000.00717.58
8.1.00.0000.00717.34
8.0.300.0000.00818.77
8.0.290.0060.00317.16
8.0.280.0030.00318.44
8.0.270.0030.00317.12
8.0.260.0030.00316.93
8.0.250.0080.00017.02
8.0.240.0080.00016.99
8.0.230.0030.00317.04
8.0.220.0030.00316.79
8.0.210.0000.00716.88
8.0.200.0030.00317.03
8.0.190.0030.00617.05
8.0.180.0040.00416.90
8.0.170.0000.00816.96
8.0.160.0050.00216.98
8.0.150.0030.00316.90
8.0.140.0000.00716.96
8.0.130.0050.00013.39
8.0.120.0040.00416.92
8.0.110.0050.00216.92
8.0.100.0040.00416.93
8.0.90.0080.00016.98
8.0.80.0110.00416.95
8.0.70.0070.00016.95
8.0.60.0040.00416.82
8.0.50.0000.00716.99
8.0.30.0100.01416.95
8.0.20.0050.01517.40
8.0.10.0000.00717.02
8.0.00.0100.00716.83
7.4.330.0020.00215.00
7.4.320.0030.00316.54
7.4.300.0080.00016.41
7.4.290.0000.00716.44
7.4.280.0030.00316.44
7.4.270.0000.00716.36
7.4.260.0050.00516.43
7.4.250.0000.00816.32
7.4.240.0040.00416.38
7.4.230.0030.00316.32
7.4.220.0090.00916.55
7.4.210.0080.00716.45
7.4.200.0030.00316.43
7.4.190.0000.00716.35
7.4.160.0030.01216.72
7.4.150.0000.01817.40
7.4.140.0090.00917.86
7.4.130.0080.01016.49
7.4.120.0100.00716.60
7.4.110.0130.00316.60
7.4.100.0150.00616.41
7.4.90.0130.00616.54
7.4.80.0000.01819.39
7.4.70.0030.01416.76
7.4.60.0100.01016.52
7.4.50.0040.00416.41
7.4.40.0070.01122.77
7.4.30.0040.01216.63
7.4.00.0110.00614.97
7.3.330.0000.00513.13
7.3.320.0000.00513.22
7.3.310.0030.00516.36
7.3.300.0000.00716.37
7.3.290.0150.00316.32
7.3.280.0100.00616.30
7.3.270.0100.01017.40
7.3.260.0130.00316.29
7.3.250.0130.00616.42
7.3.240.0130.00916.58
7.3.230.0030.01416.46
7.3.210.0100.00716.27
7.3.200.0130.00619.39
7.3.190.0130.00716.34
7.3.180.0080.00816.40
7.3.170.0060.00916.27
7.3.160.0080.00816.43
7.3.120.0070.01114.76
7.3.110.0040.01214.88
7.3.100.0080.00815.06
7.3.90.0030.01014.82
7.3.80.0060.00914.67
7.3.70.0030.00614.82
7.3.60.0070.00714.64
7.3.50.0060.00614.81
7.3.40.0040.01114.75
7.3.30.0080.00414.70
7.3.20.0090.00616.72
7.3.10.0040.01116.68
7.3.00.0080.00616.48
7.2.330.0150.00316.70
7.2.320.0080.01016.80
7.2.310.0080.00816.44
7.2.300.0130.00416.50
7.2.290.0090.00816.45
7.2.250.0070.01015.30
7.2.240.0090.00914.97
7.2.230.0090.00614.88
7.2.220.0030.01015.25
7.2.210.0000.01214.68
7.2.200.0000.01415.08
7.2.190.0040.01415.22
7.2.180.0060.00315.25
7.2.170.0060.00615.07
7.2.160.0060.01015.00
7.2.150.0080.00816.86
7.2.140.0070.00716.79
7.2.130.0130.00316.93
7.2.120.0040.00716.75
7.2.110.0030.01016.92
7.2.100.0000.01517.03
7.2.90.0100.00717.05
7.2.80.0040.01216.64
7.2.70.0070.00716.90
7.2.60.0090.00616.80
7.2.50.0030.00716.98
7.2.40.0000.01617.02
7.2.30.0040.01116.91
7.2.20.0070.00716.92
7.2.10.0000.01117.12
7.2.00.0000.01216.89
7.1.330.0040.01115.88
7.1.320.0000.01115.84
7.1.310.0040.00415.66
7.1.300.0120.00315.50
7.1.290.0120.00315.88
7.1.280.0030.00715.66
7.1.270.0050.00915.91
7.1.260.0100.00315.79
7.1.250.0000.00915.78
7.1.100.0030.00918.16
7.1.70.0110.00717.03
7.1.60.0140.01019.82
7.1.50.0040.01916.98
7.1.00.0000.08022.40
7.0.200.0080.00416.77
7.0.140.0070.07022.08
7.0.60.0070.04020.01
7.0.50.0070.04717.88
7.0.40.0100.06320.09
7.0.30.0300.07319.97
7.0.20.0230.04020.17
7.0.10.0100.08019.98
7.0.00.0100.06320.01
5.6.280.0000.07721.06
5.6.210.0100.08020.71
5.6.200.0030.04018.09
5.6.190.0130.08020.43
5.6.180.3630.04020.40
5.6.170.0230.07320.71
5.6.160.0070.05720.46
5.6.150.0100.08018.13
5.6.140.0030.05318.21
5.6.130.0100.08018.12
5.6.120.0000.04320.98
5.6.110.0070.06720.98
5.6.100.0030.08720.97
5.6.90.0030.04720.96
5.6.80.0100.03320.50
5.6.70.0200.07020.51
5.5.350.0030.06320.32
5.5.340.0070.04018.02
5.5.330.0100.03720.07
5.5.320.0300.08020.23
5.5.310.0270.08020.20
5.5.300.0030.04317.92
5.5.290.0070.08018.02
5.5.280.0130.03320.75
5.5.270.0170.08020.79
5.5.260.0000.05020.75
5.5.250.0130.07720.78
5.5.240.0200.08020.02
5.4.450.0770.04319.14
5.4.440.0430.05019.54
5.4.430.0400.03719.46
5.4.420.0300.04319.51
5.4.410.0030.06318.96
5.4.400.0170.04718.61
5.4.390.0170.06718.70
5.4.380.0130.05318.74
5.4.370.0130.05318.68
5.4.360.0270.04018.73
5.4.350.0170.05018.50
5.4.340.0230.04718.66
5.4.320.0060.03512.45
5.4.310.0090.04512.45
5.4.300.0060.04512.45
5.4.290.0060.04612.45
5.4.280.0060.04012.35
5.4.270.0080.03312.32
5.4.260.0070.03612.31
5.4.250.0050.04512.31
5.4.240.0020.04012.32
5.4.230.0070.03912.30
5.4.220.0080.04012.30
5.4.210.0100.04112.31
5.4.200.0070.04212.30
5.4.190.0040.03912.30
5.4.180.0060.03512.30
5.4.170.0070.03412.32
5.4.160.0070.03412.31
5.4.150.0050.03712.30
5.4.140.0030.04011.98
5.4.130.0040.03711.97
5.4.120.0080.03211.93
5.4.110.0060.03511.93
5.4.100.0070.03711.93
5.4.90.0060.03811.93
5.4.80.0070.03511.93
5.4.70.0070.03811.92
5.4.60.0070.03711.93
5.4.50.0040.03611.93
5.4.40.0040.03511.91
5.4.30.0050.04111.91
5.4.20.0060.03911.91
5.4.10.0040.04411.91
5.4.00.0030.04011.40
5.3.290.0080.04212.80
5.3.280.0060.04212.71
5.3.270.0040.04312.72
5.3.260.0060.04212.72
5.3.250.0070.03612.72
5.3.240.0040.04012.72
5.3.230.0070.03712.71
5.3.220.0070.03512.68
5.3.210.0040.04012.68
5.3.200.0040.03912.68
5.3.190.0050.04012.68
5.3.180.0070.03712.68
5.3.170.0050.03712.67
5.3.160.0060.03612.67
5.3.150.0040.03812.67
5.3.140.0080.04412.66
5.3.130.0060.03912.66
5.3.120.0090.03912.66
5.3.110.0120.04812.66
5.3.100.0070.03512.12
5.3.90.0040.03812.08
5.3.80.0050.03712.07
5.3.70.0040.04012.07
5.3.60.0080.04912.06
5.3.50.0080.03512.00
5.3.40.0080.04812.00
5.3.30.0050.03611.94
5.3.20.0080.04411.70
5.3.10.0070.03311.66
5.3.00.0070.03511.65
5.2.170.0050.0299.14
5.2.160.0070.0269.15
5.2.150.0040.0309.15
5.2.140.0050.0309.14
5.2.130.0080.0339.10
5.2.120.0030.0329.10
5.2.110.0050.0299.11
5.2.100.0060.0289.11
5.2.90.0040.0369.11
5.2.80.0040.0439.10
5.2.70.0040.0409.09
5.2.60.0050.0389.05
5.2.50.0040.0379.03
5.2.40.0030.0309.00
5.2.30.0030.0318.97
5.2.20.0040.0298.96
5.2.10.0070.0348.89
5.2.00.0040.0428.75
5.1.60.0060.0238.04
5.1.50.0040.0278.04
5.1.40.0050.0268.02
5.1.30.0060.0248.37
5.1.20.0030.0278.39
5.1.10.0040.0268.11
5.1.00.0040.0278.11
5.0.50.0040.0216.59
5.0.40.0020.0226.45
5.0.30.0050.0306.27
5.0.20.0060.0176.24
5.0.10.0030.0206.21
5.0.00.0020.0316.21
4.4.90.0020.0164.78
4.4.80.0030.0154.76
4.4.70.0050.0134.75
4.4.60.0030.0154.76
4.4.50.0050.0134.77
4.4.40.0020.0264.71
4.4.30.0060.0124.76
4.4.20.0030.0154.85
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0010.0174.67
4.3.100.0040.0134.66
4.3.90.0060.0114.63
4.3.80.0010.0264.58
4.3.70.0020.0154.63
4.3.60.0040.0184.63
4.3.50.0030.0154.63
4.3.40.0030.0234.54
4.3.30.0010.0173.27
4.3.20.0020.0193.26
4.3.10.0060.0173.21
4.3.00.0130.01015.03

preferences:
46.49 ms | 400 KiB | 5 Q