3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,"","1"," ",NULL); for($i=0;$i<5;$i++) echo isset($arr[$i])." >> "; echo isset($adf);

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)
8.3.60.0100.01016.50
8.3.50.0040.01421.97
8.3.40.0070.00718.76
8.3.30.0100.00319.15
8.3.20.0040.00420.09
8.3.10.0070.00023.61
8.3.00.0080.00020.88
8.2.180.0190.00316.49
8.2.170.0070.00722.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0130.00626.16
8.2.120.0000.00722.25
8.2.110.0040.00422.02
8.2.100.0060.00617.67
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0000.00917.50
8.2.60.0080.00018.16
8.2.50.0030.00618.07
8.2.40.0080.00018.28
8.2.30.0060.00318.11
8.2.20.0040.00417.64
8.2.10.0040.00417.52
8.2.00.0040.00417.59
8.1.280.0040.01525.92
8.1.270.0030.00623.97
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00323.68
8.1.230.0090.00319.13
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0030.00617.53
8.1.180.0040.00418.10
8.1.170.0040.00418.61
8.1.160.0040.00421.88
8.1.150.0000.00818.65
8.1.140.0070.00017.38
8.1.130.0040.00417.82
8.1.120.0000.00717.50
8.1.110.0050.00217.34
8.1.100.0000.00817.50
8.1.90.0040.00417.38
8.1.80.0030.00617.35
8.1.70.0000.00717.38
8.1.60.0000.00917.59
8.1.50.0040.00417.52
8.1.40.0000.00817.44
8.1.30.0000.00817.59
8.1.20.0080.00017.67
8.1.10.0050.00317.51
8.1.00.0050.00217.55
8.0.300.0070.00018.77
8.0.290.0000.00717.15
8.0.280.0070.00018.41
8.0.270.0040.00417.26
8.0.260.0000.00716.79
8.0.250.0040.00416.93
8.0.240.0030.00516.87
8.0.230.0070.00016.98
8.0.220.0000.00716.90
8.0.210.0000.00816.75
8.0.200.0030.00316.89
8.0.190.0000.00716.93
8.0.180.0030.00316.91
8.0.170.0040.00416.80
8.0.160.0050.00216.84
8.0.150.0030.00316.84
8.0.140.0000.00816.82
8.0.130.0000.00513.33
8.0.120.0000.00816.94
8.0.110.0000.00716.89
8.0.100.0040.00416.82
8.0.90.0030.00516.90
8.0.80.0090.01216.85
8.0.70.0020.00516.75
8.0.60.0040.00416.82
8.0.50.0000.00716.82
8.0.30.0130.00516.86
8.0.20.0090.00917.40
8.0.10.0040.00416.75
8.0.00.0140.00716.63
7.4.330.0020.00215.09
7.4.320.0070.00016.50
7.4.300.0030.00316.33
7.4.290.0040.00416.34
7.4.280.0060.00016.53
7.4.270.0000.00616.52
7.4.260.0100.00016.42
7.4.250.0030.00516.48
7.4.240.0040.00316.42
7.4.230.0060.00016.53
7.4.220.0060.01116.54
7.4.210.0110.00916.46
7.4.200.0030.00316.32
7.4.190.0000.00716.59
7.4.160.0070.01016.47
7.4.150.0060.01317.40
7.4.140.0110.00817.86
7.4.130.0070.01016.40
7.4.120.0070.00916.49
7.4.110.0100.00616.41
7.4.100.0090.00916.45
7.4.90.0070.01016.58
7.4.80.0170.00019.39
7.4.70.0100.00716.38
7.4.60.0070.01016.49
7.4.50.0000.00616.48
7.4.40.0060.00622.77
7.4.30.0070.00816.33
7.4.00.0020.01114.94
7.3.330.0000.00613.09
7.3.320.0020.00213.12
7.3.310.0040.00416.18
7.3.300.0030.00316.24
7.3.290.0030.01016.23
7.3.280.0070.00916.25
7.3.270.0100.00717.40
7.3.260.0100.00716.29
7.3.250.0050.01216.38
7.3.240.0080.00816.49
7.3.230.0130.00616.39
7.3.210.0080.00816.42
7.3.200.0080.00819.39
7.3.190.0070.01316.41
7.3.180.0030.01316.56
7.3.170.0100.00616.34
7.3.160.0100.00716.56
7.3.120.0060.00814.67
7.3.110.0100.00714.39
7.3.100.0090.00614.75
7.3.90.0090.00614.96
7.3.80.0080.00415.07
7.3.70.0030.01414.84
7.3.60.0060.00314.63
7.3.50.0000.01014.90
7.3.40.0070.00414.82
7.3.30.0030.00914.68
7.3.20.0050.00516.36
7.3.10.0050.00516.81
7.3.00.0060.00616.66
7.2.330.0060.01016.46
7.2.320.0130.00316.42
7.2.310.0090.01016.70
7.2.300.0090.00616.70
7.2.290.0030.01316.53
7.2.250.0140.00715.19
7.2.240.0000.01915.11
7.2.230.0090.00315.18
7.2.220.0090.00615.13
7.2.210.0000.00914.95
7.2.200.0090.00614.85
7.2.190.0030.01014.89
7.2.180.0130.00315.09
7.2.170.0040.01115.10
7.2.60.0040.01116.70
7.2.00.0040.01119.39
7.1.330.0070.00715.93
7.1.320.0030.01315.77
7.1.310.0000.00915.87
7.1.300.0030.01015.49
7.1.290.0090.00915.70
7.1.280.0070.01115.52
7.1.270.0110.00715.67
7.1.260.0000.01415.45
7.1.200.0070.00715.70
7.1.100.0100.00318.18
7.1.70.0100.01016.54
7.1.60.0110.01419.29
7.1.50.0060.01516.99
7.1.00.0170.06322.33
7.0.200.0070.01116.80
7.0.140.0030.07322.00
7.0.60.0030.08319.79
7.0.50.0070.08017.66
7.0.40.0030.06020.02
7.0.30.0430.06720.18
7.0.20.0330.04720.18
7.0.10.0070.06320.16
7.0.00.0130.08020.14
5.6.280.0070.07020.86
5.6.210.0030.07320.52
5.6.200.0130.03318.18
5.6.190.0130.07720.41
5.6.180.0170.07320.46
5.6.170.0270.08020.33
5.6.160.0100.07320.49
5.6.150.0070.06718.15
5.6.140.0030.04318.12
5.6.130.0000.04318.18
5.6.120.0100.07321.01
5.6.110.0100.08020.98
5.6.100.0030.07721.01
5.6.90.0100.07320.87
5.6.80.0070.03720.50
5.5.350.0030.08020.45
5.5.340.0070.06018.01
5.5.330.0070.05020.23
5.5.320.0200.06020.23
5.5.310.0330.07020.17
5.5.300.0030.04717.93
5.5.290.0070.07017.98
5.5.280.0070.05320.97
5.5.270.0030.08720.86
5.5.260.0100.07320.63
5.5.250.0070.04320.67
5.5.240.0100.04320.23
5.4.450.0530.04319.10
5.4.440.0970.03019.26
5.4.430.0870.07019.56
5.4.420.0730.03719.56
5.4.410.0670.03319.32
5.4.400.1600.02718.91
5.4.390.0700.03719.13
5.4.380.0230.06318.52
5.4.370.0330.05318.50
5.4.360.0370.08718.49
5.4.350.0430.05018.56
5.4.340.0330.05018.62
5.4.320.0060.04212.45
5.4.310.0060.05012.45
5.4.300.0050.03712.45
5.4.290.0080.03712.45
5.4.280.0060.04112.35
5.4.270.0080.03812.31
5.4.260.0050.03812.32
5.4.250.0070.03612.32
5.4.240.0060.03612.32
5.4.230.0020.04112.30
5.4.220.0050.03712.31
5.4.210.0080.03412.31
5.4.200.0070.03612.30
5.4.190.0060.03712.30
5.4.180.0070.03512.30
5.4.170.0090.04312.32
5.4.160.0030.03812.31
5.4.150.0050.03712.30
5.4.140.0040.04011.98
5.4.130.0040.03711.98
5.4.120.0040.03811.93
5.4.110.0080.03411.93
5.4.100.0090.04111.93
5.4.90.0050.03811.93
5.4.80.0070.03611.93
5.4.70.0070.03511.93
5.4.60.0060.03611.93
5.4.50.0040.03811.93
5.4.40.0070.03611.91
5.4.30.0070.03811.91
5.4.20.0040.03711.91
5.4.10.0110.03211.91
5.4.00.0060.03611.40
5.3.290.0070.03912.80
5.3.280.0060.03712.71
5.3.270.0060.03912.72
5.3.260.0080.04712.72
5.3.250.0090.04212.72
5.3.240.0060.03812.72
5.3.230.0060.03812.71
5.3.220.0100.03412.68
5.3.210.0090.03612.68
5.3.200.0100.03312.68
5.3.190.0050.03912.68
5.3.180.0070.03612.67
5.3.170.0060.03812.67
5.3.160.0050.03912.67
5.3.150.0060.03812.67
5.3.140.0050.03712.66
5.3.130.0150.05312.66
5.3.120.0090.05012.66
5.3.110.0120.04812.66
5.3.100.0080.03812.12
5.3.90.0100.04312.08
5.3.80.0060.03712.08
5.3.70.0060.03612.07
5.3.60.0050.03712.06
5.3.50.0060.03612.00
5.3.40.0060.03612.00
5.3.30.0060.03511.94
5.3.20.0060.03611.70
5.3.10.0030.04111.66
5.3.00.0070.03611.65
5.2.170.0070.0359.15
5.2.160.0030.0409.15
5.2.150.0060.0359.15
5.2.140.0050.0429.15
5.2.130.0050.0289.11
5.2.120.0040.0299.11
5.2.110.0020.0319.11
5.2.100.0060.0289.11
5.2.90.0010.0349.11
5.2.80.0050.0309.10
5.2.70.0080.0409.10
5.2.60.0040.0349.06
5.2.50.0080.0299.03
5.2.40.0040.0319.00
5.2.30.0030.0328.98
5.2.20.0060.0288.96
5.2.10.0070.0268.89
5.2.00.0040.0328.75
5.1.60.0040.0278.04
5.1.50.0050.0258.04
5.1.40.0050.0248.02
5.1.30.0050.0268.36
5.1.20.0030.0308.39
5.1.10.0070.0288.12
5.1.00.0040.0288.11
5.0.50.0020.0226.59
5.0.40.0030.0206.45
5.0.30.0030.0326.27
5.0.20.0010.0226.24
5.0.10.0050.0196.21
5.0.00.0040.0316.21
4.4.90.0010.0194.78
4.4.80.0050.0134.75
4.4.70.0010.0174.75
4.4.60.0020.0164.75
4.4.50.0040.0164.77
4.4.40.0030.0274.71
4.4.30.0050.0154.76
4.4.20.0010.0174.84
4.4.10.0020.0174.85
4.4.00.0030.0324.76
4.3.110.0040.0174.67
4.3.100.0050.0194.67
4.3.90.0070.0174.64
4.3.80.0030.0314.58
4.3.70.0030.0174.63
4.3.60.0040.0204.63
4.3.50.0040.0214.63
4.3.40.0050.0324.54
4.3.30.0040.0163.27
4.3.20.0010.0173.25
4.3.10.0020.0163.21
4.3.00.0000.01713.14

preferences:
39.07 ms | 401 KiB | 5 Q