3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1=>'a', 2=>'b', 3=>'c'); print_r($a); echo $a[2]; echo$a[1]; unset($a[3]);

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)
8.3.60.0100.00718.56
8.3.50.0160.00321.95
8.3.40.0140.00018.71
8.3.30.0100.00319.10
8.3.20.0000.00820.07
8.3.10.0000.00823.66
8.3.00.0070.00018.96
8.2.180.0120.00316.63
8.2.170.0220.00022.96
8.2.160.0130.00720.40
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0160.00018.73
8.2.110.0080.00020.29
8.2.100.0090.00317.72
8.2.90.0000.00719.21
8.2.80.0030.00617.97
8.2.70.0100.00017.75
8.2.60.0000.00818.16
8.2.50.0040.00418.07
8.2.40.0040.00419.94
8.2.30.0040.00418.36
8.2.20.0000.00817.79
8.2.10.0000.00717.90
8.2.00.0030.00517.60
8.1.280.0070.00725.92
8.1.270.0080.00022.19
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0080.00023.79
8.1.230.0100.00320.96
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0070.00417.22
8.1.190.0060.00317.10
8.1.180.0060.00318.10
8.1.170.0000.00918.57
8.1.160.0030.00521.85
8.1.150.0050.00318.46
8.1.140.0040.00417.38
8.1.130.0030.00317.86
8.1.120.0050.00217.34
8.1.110.0000.00817.34
8.1.100.0040.00417.29
8.1.90.0040.00317.29
8.1.80.0020.00517.35
8.1.70.0030.00317.24
8.1.60.0000.00917.50
8.1.50.0060.00317.36
8.1.40.0070.00017.35
8.1.30.0040.00417.56
8.1.20.0000.00817.57
8.1.10.0040.00417.54
8.1.00.0040.00417.53
8.0.300.0030.00518.77
8.0.290.0000.00716.63
8.0.280.0030.00318.40
8.0.270.0000.00717.17
8.0.260.0060.00017.25
8.0.250.0000.00716.91
8.0.240.0000.00716.93
8.0.230.0070.00016.78
8.0.220.0070.00016.82
8.0.210.0000.00916.73
8.0.200.0030.00316.89
8.0.190.0000.00816.93
8.0.180.0000.00816.83
8.0.170.0000.00816.85
8.0.160.0040.00416.66
8.0.150.0000.00716.78
8.0.140.0000.00716.80
8.0.130.0000.00613.29
8.0.120.0040.00416.85
8.0.110.0000.00716.71
8.0.100.0000.00816.86
8.0.90.0000.00716.78
8.0.80.0090.01316.78
8.0.70.0040.00416.85
8.0.60.0000.00716.71
8.0.50.0080.00016.63
8.0.30.0130.00617.18
8.0.20.0110.01017.40
8.0.10.0000.00716.97
8.0.00.0130.00816.76
7.4.330.0030.00315.16
7.4.320.0000.00616.51
7.4.300.0060.00016.59
7.4.290.0030.00316.48
7.4.280.0050.00216.55
7.4.270.0040.00416.43
7.4.260.0030.00316.51
7.4.250.0000.00716.55
7.4.240.0020.00516.54
7.4.230.0030.00316.54
7.4.220.0140.00316.48
7.4.210.0060.00916.62
7.4.200.0000.00716.33
7.4.190.0050.00316.60
7.4.160.0110.00616.26
7.4.150.0090.00917.40
7.4.140.0110.01017.86
7.4.130.0160.00016.43
7.4.120.0120.00516.54
7.4.110.0100.00716.51
7.4.100.0100.00716.47
7.4.90.0090.00816.41
7.4.80.0150.00619.39
7.4.70.0030.01616.49
7.4.60.0100.00716.48
7.4.50.0000.00416.22
7.4.40.0110.00516.43
7.4.30.0080.00816.60
7.4.00.0120.00514.87
7.3.330.0000.00613.09
7.3.320.0030.00313.09
7.3.310.0000.00716.30
7.3.300.0030.00316.24
7.3.290.0090.00916.30
7.3.280.0100.00916.27
7.3.270.0060.01317.40
7.3.260.0180.00616.26
7.3.250.0120.01116.21
7.3.240.0140.00516.65
7.3.230.0170.00016.42
7.3.210.0080.00816.28
7.3.200.0070.01016.35
7.3.190.0150.00416.38
7.3.180.0030.01216.29
7.3.170.0090.00616.44
7.3.160.0150.00716.31
7.3.120.0080.00614.75
7.3.110.0070.00914.89
7.3.100.0050.00815.03
7.3.90.0030.00814.83
7.3.80.0050.01014.69
7.3.70.0040.00914.65
7.3.60.0110.00214.53
7.3.50.0050.00914.82
7.3.40.0120.00314.73
7.3.30.0080.00514.80
7.3.20.0030.01116.68
7.3.10.0100.00516.48
7.3.00.0050.00716.55
7.2.330.0090.00916.70
7.2.320.0090.00916.48
7.2.310.0060.01016.64
7.2.300.0080.00816.56
7.2.290.0110.01116.37
7.2.250.0000.01615.06
7.2.240.0080.00915.08
7.2.230.0030.01215.00
7.2.220.0070.00314.91
7.2.210.0040.01214.92
7.2.200.0080.00615.05
7.2.190.0060.00614.89
7.2.180.0050.01014.88
7.2.170.0070.00714.72
7.2.160.0070.00714.82
7.2.150.0070.01116.93
7.2.140.0000.01316.70
7.2.130.0070.00316.69
7.2.120.0130.00316.87
7.2.110.0040.00816.93
7.2.100.0070.00716.94
7.2.90.0060.00616.98
7.2.80.0070.01016.73
7.2.70.0060.01216.87
7.2.60.0150.00317.04
7.2.50.0030.00816.78
7.2.40.0080.00816.77
7.2.30.0070.01116.81
7.2.20.0040.00817.04
7.2.10.0040.01516.99
7.2.00.0070.01116.98
7.1.330.0030.01015.93
7.1.320.0050.00915.76
7.1.310.0080.00615.90
7.1.300.0010.01115.92
7.1.290.0080.00615.74
7.1.280.0030.00915.77
7.1.270.0050.00715.94
7.1.260.0080.00615.56
7.1.250.0030.01015.96
7.1.100.0030.01018.22
7.1.70.0000.00716.82
7.1.60.0090.00619.70
7.1.50.0040.01617.03
7.1.00.0000.08022.57
7.0.200.0030.00716.88
7.0.140.0030.07322.10
7.0.60.0130.07319.93
7.0.50.0030.04317.86
7.0.40.0000.04720.09
7.0.30.0230.05020.20
7.0.20.0230.04020.25
7.0.10.0170.07720.33
7.0.00.0100.07720.20
5.6.210.0030.03720.69
5.6.200.0070.08718.23
5.6.190.0070.09020.63
5.6.180.0230.04320.64
5.6.170.0270.06020.58
5.6.160.0070.05020.55
5.6.150.0070.04018.21
5.6.140.0130.07718.11
5.6.130.0130.04718.15
5.6.120.0000.09020.99
5.6.110.0030.04321.02
5.6.100.0200.05721.12
5.6.90.0100.08021.12
5.6.80.0030.05320.36
5.5.350.0030.05020.39
5.5.340.0000.04017.99
5.5.330.0070.06720.29
5.5.320.0230.07320.26
5.5.310.0370.07020.34
5.5.300.0030.04018.07
5.5.290.0100.06318.02
5.5.280.0130.07720.64
5.5.270.0000.09320.75
5.5.260.0130.08020.96
5.5.250.0070.04320.68
5.5.240.4030.04020.15
5.4.450.0870.03725.28
5.4.440.0030.04719.57
5.4.430.0330.03719.52
5.4.420.0530.04319.27
5.4.410.0170.04719.41
5.4.400.0500.03319.15
5.4.390.0200.04719.04
5.4.380.0370.05318.60
5.4.370.0270.08018.75
5.4.360.0270.05718.71
5.4.350.0370.05318.75
5.4.340.0470.04318.53
5.4.320.0060.03812.48
5.4.310.0070.05012.48
5.4.300.0110.03112.48
5.4.290.0080.03512.47
5.4.280.0100.03612.38
5.4.270.0040.03712.38
5.4.260.0070.03612.38
5.4.250.0050.03812.37
5.4.240.0050.03712.37
5.4.230.0060.03712.37
5.4.220.0050.03712.36
5.4.210.0030.04712.37
5.4.200.0070.03812.37
5.4.190.0050.03912.36
5.4.180.0030.04012.36
5.4.170.0090.04712.37
5.4.160.0080.04612.37
5.4.150.0090.03312.37
5.4.140.0060.04312.05
5.4.130.0070.04012.04
5.4.120.0040.03811.99
5.4.110.0050.04611.99
5.4.100.0090.06811.99
5.4.90.0060.04211.99
5.4.80.0070.04511.99
5.4.70.0120.04311.98
5.4.60.0100.06411.99
5.4.50.0090.05311.98
5.4.40.0110.03711.98
5.4.30.0070.03611.98
5.4.20.0090.03911.97
5.4.10.0070.04311.98
5.4.00.0070.05311.47
5.3.290.0020.04312.80
5.3.280.0100.04212.71
5.3.270.0060.05712.72
5.3.260.0120.05312.72
5.3.250.0040.05912.72
5.3.240.0080.05512.71
5.3.230.0100.05112.71
5.3.220.0080.04312.68
5.3.210.0090.04312.68
5.3.200.0070.05512.68
5.3.190.0060.05312.68
5.3.180.0090.04312.68
5.3.170.0100.05112.66
5.3.160.0060.05412.68
5.3.150.0060.05512.68
5.3.140.0080.03812.66
5.3.130.0060.04312.66
5.3.120.0070.04112.66
5.3.110.0060.04112.66
5.3.100.0090.03712.12
5.3.90.0070.03712.09
5.3.80.0070.04012.07
5.3.70.0070.04312.08
5.3.60.0080.04212.06
5.3.50.0110.04112.01
5.3.40.0050.03912.01
5.3.30.0110.03411.97
5.3.20.0110.03811.75
5.3.10.0060.04211.72
5.3.00.0060.03811.70
5.2.170.0070.0339.20
5.2.160.0120.0389.20
5.2.150.0140.0799.20
5.2.140.0070.0429.20
5.2.130.0080.0409.16
5.2.120.0080.0399.16
5.2.110.0020.0399.17
5.2.100.0070.0349.17
5.2.90.0050.0299.16
5.2.80.0030.0329.16
5.2.70.0060.0299.16
5.2.60.0040.0319.11
5.2.50.0040.0319.08
5.2.40.0030.0339.06
5.2.30.0030.0359.03
5.2.20.0070.0289.02
5.2.10.0050.0288.93
5.2.00.0070.0268.79
5.1.60.0090.0338.06
5.1.50.0040.0278.05
5.1.40.0060.0278.04
5.1.30.0040.0268.39
5.1.20.0070.0248.41
5.1.10.0030.0278.14
5.1.00.0030.0268.13
5.0.50.0060.0176.62
5.0.40.0020.0206.47
5.0.30.0060.0286.29
5.0.20.0030.0206.26
5.0.10.0020.0216.23
5.0.00.0010.0336.22
4.4.90.0050.0134.78
4.4.80.0020.0164.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0050.0134.76
4.4.20.0050.0214.84
4.4.10.0040.0224.85
4.4.00.0020.0334.76
4.3.110.0030.0154.67
4.3.100.0040.0174.66
4.3.90.0020.0174.64
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0000.0183.29
4.3.20.0020.0163.26
4.3.10.0030.0153.21
4.3.00.0070.01318.65

preferences:
44.02 ms | 401 KiB | 5 Q