3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "000000000000000000000000000000000000000000000000000000000"; var_dump($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)
8.3.60.0070.01418.43
8.3.50.0060.00921.97
8.3.40.0040.01118.46
8.3.30.0150.00018.74
8.3.20.0070.01020.10
8.3.10.0070.00023.63
8.3.00.0050.00320.80
8.2.180.0110.01116.38
8.2.170.0040.01122.96
8.2.160.0100.00320.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0110.00419.36
8.2.110.0100.00022.02
8.2.100.0040.00817.78
8.2.90.0050.00219.05
8.2.80.0030.00517.97
8.2.70.0060.00317.50
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0040.00419.54
8.2.30.0060.00318.13
8.2.20.0080.00017.61
8.2.10.0000.00717.99
8.2.00.0040.00417.59
8.1.280.0100.00325.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.82
8.1.230.0040.00719.14
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0050.00317.10
8.1.180.0060.00318.10
8.1.170.0080.00018.59
8.1.160.0000.00721.85
8.1.150.0000.00718.59
8.1.140.0070.00017.40
8.1.130.0030.00319.48
8.1.120.0030.00317.35
8.1.110.0030.00617.37
8.1.100.0000.00817.33
8.1.90.0000.00817.35
8.1.80.0050.00217.34
8.1.70.0030.00317.21
8.1.60.0080.00017.42
8.1.50.0040.00417.32
8.1.40.0000.00717.45
8.1.30.0040.00417.53
8.1.20.0040.00417.50
8.1.10.0040.00417.30
8.1.00.0040.00417.41
8.0.300.0080.00018.77
8.0.290.0040.00416.58
8.0.280.0000.00718.38
8.0.270.0070.00017.05
8.0.260.0030.00317.18
8.0.250.0000.00716.79
8.0.240.0000.00716.91
8.0.230.0070.00016.79
8.0.220.0030.00316.80
8.0.210.0070.00416.80
8.0.200.0030.00316.84
8.0.190.0030.00316.81
8.0.180.0020.00516.82
8.0.170.0050.00316.78
8.0.160.0030.00316.82
8.0.150.0040.00416.84
8.0.140.0000.00716.68
8.0.130.0030.00313.20
8.0.120.0040.00416.79
8.0.110.0070.00016.78
8.0.100.0040.00416.82
8.0.90.0040.00416.81
8.0.80.0000.01416.80
8.0.70.0040.00416.86
8.0.60.0040.00316.76
8.0.50.0000.00716.79
8.0.30.0080.01116.90
8.0.20.0140.00817.40
8.0.10.0000.00816.79
8.0.00.0070.01016.68
7.4.330.0050.00015.02
7.4.320.0040.00416.43
7.4.300.0000.00616.52
7.4.290.0110.00016.35
7.4.280.0040.00416.38
7.4.270.0070.00016.55
7.4.260.0000.00716.52
7.4.250.0000.00716.53
7.4.240.0010.00616.40
7.4.230.0030.00316.50
7.4.220.0110.00716.46
7.4.210.0040.01116.55
7.4.200.0070.00016.27
7.4.160.0140.00316.52
7.4.150.0130.00417.40
7.4.140.0100.00717.86
7.4.130.0090.00716.35
7.4.120.0090.01016.46
7.4.110.0060.01016.43
7.4.100.0090.00916.33
7.4.90.0080.00916.33
7.4.80.0070.01619.39
7.4.70.0160.00016.28
7.4.60.0080.00916.27
7.4.50.0060.00316.00
7.4.40.0030.01316.32
7.4.30.0030.01316.20
7.4.00.0090.00314.70
7.3.330.0050.00013.01
7.3.320.0050.00013.04
7.3.310.0080.00016.00
7.3.300.0030.00316.12
7.3.290.0000.01616.09
7.3.280.0080.00916.14
7.3.270.0040.01517.40
7.3.260.0090.00816.06
7.3.250.0090.00816.28
7.3.240.0100.01016.18
7.3.230.0130.00316.40
7.3.210.0100.01016.36
7.3.200.0040.01219.39
7.3.190.0130.00916.50
7.3.180.0040.01116.10
7.3.170.0140.00916.27
7.3.160.0130.00316.43
7.3.120.0070.00714.64
7.2.330.0090.01316.58
7.2.320.0040.01416.43
7.2.310.0080.00816.42
7.2.300.0060.01016.40
7.2.290.0080.00816.43
7.2.00.0030.01019.07
7.1.100.0040.00717.99
7.1.70.0000.00716.78
7.1.60.0140.01019.70
7.1.50.0100.00716.50
7.1.00.0030.07722.48
7.0.200.0710.01514.69
7.0.140.0130.06322.07
7.0.60.0070.09019.85
7.0.50.0200.05317.87
7.0.40.0070.07019.96
7.0.30.0230.04020.01
7.0.20.0300.07320.16
7.0.10.0300.07320.00
7.0.00.0100.08320.13
5.6.280.0030.07321.02
5.6.210.0170.07020.63
5.6.200.0100.04718.07
5.6.190.0100.05320.32
5.6.180.0270.06020.65
5.6.170.0470.07320.42
5.6.160.0000.04320.46
5.6.150.0070.07718.12
5.6.140.0230.06318.20
5.6.130.0130.07318.20
5.6.120.0070.08321.13
5.6.110.0100.07020.99
5.6.100.0130.07720.94
5.6.90.0100.08720.87
5.6.80.0070.08320.33
5.6.70.0270.07320.34
5.5.350.0170.07020.41
5.5.340.0030.04717.93
5.5.330.0030.04020.43
5.5.320.0100.06320.25
5.5.310.0300.07320.18
5.5.300.0070.04017.91
5.5.290.0030.09017.91
5.5.280.0100.07320.73
5.5.270.0030.04320.76
5.5.260.0170.06320.87
5.5.250.0100.08020.69
5.5.240.0100.08020.36
5.4.450.0230.04719.13
5.4.440.0900.06019.10
5.4.430.0900.04719.44
5.4.420.0670.00019.14
5.4.410.0130.05318.96
5.4.400.0200.06018.74
5.4.390.0300.05018.61
5.4.380.0270.05718.66
5.4.370.0100.05318.77
5.4.360.0070.05318.63
5.4.350.0110.03411.97
5.4.340.0060.03611.96
5.4.320.0030.03912.45
5.4.310.0080.03512.45
5.4.300.0080.03612.45
5.4.290.0040.04112.45
5.4.280.0060.03612.35
5.4.270.0060.03712.34
5.4.260.0070.03612.35
5.4.250.0060.03812.34
5.4.240.0060.03712.35
5.4.230.0070.03712.34
5.4.220.0090.03212.34
5.4.210.0060.03512.34
5.4.200.0070.03612.34
5.4.190.0070.03412.34
5.4.180.0050.03712.33
5.4.170.0050.03812.34
5.4.160.0080.03312.34
5.4.150.0050.03712.34
5.4.140.0060.04712.02
5.4.130.0050.03812.01
5.4.120.0040.03711.97
5.4.110.0060.03611.96
5.4.100.0050.03711.96
5.4.90.0060.03811.96
5.4.80.0060.03711.96
5.4.70.0060.03511.96
5.4.60.0070.03511.96
5.4.50.0080.03311.96
5.4.40.0050.03611.95
5.4.30.0070.03511.95
5.4.20.0060.03611.95
5.4.10.0090.03211.94
5.4.00.0040.03711.43
5.3.290.0080.04012.80
5.3.280.0050.04012.71
5.3.270.0080.04212.72
5.3.260.0060.04212.72
5.3.250.0070.04112.72
5.3.240.0080.03812.72
5.3.230.0070.04512.70
5.3.220.0040.04112.68
5.3.210.0080.04212.68
5.3.200.0060.03812.68
5.3.190.0080.03612.68
5.3.180.0070.03612.67
5.3.170.0040.03812.67
5.3.160.0050.03712.67
5.3.150.0050.03812.67
5.3.140.0050.03912.66
5.3.130.0090.04612.65
5.3.120.0050.04212.66
5.3.110.0040.04012.66
5.3.100.0060.03812.12
5.3.90.0090.03412.08
5.3.80.0080.03512.07
5.3.70.0050.03812.07
5.3.60.0070.03512.06
5.3.50.0050.03912.00
5.3.40.0050.04012.00
5.3.30.0060.03611.94
5.3.20.0060.03611.71
5.3.10.0050.03611.69
5.3.00.0060.03611.67
5.2.170.0020.0349.17
5.2.160.0040.0309.17
5.2.150.0050.0309.17
5.2.140.0060.0299.17
5.2.130.0040.0309.13
5.2.120.0060.0299.13
5.2.110.0050.0299.14
5.2.100.0030.0349.13
5.2.90.0030.0329.13
5.2.80.0080.0289.13
5.2.70.0070.0299.13
5.2.60.0050.0309.08
5.2.50.0060.0309.05
5.2.40.0030.0319.03
5.2.30.0040.0319.00
5.2.20.0050.0299.00
5.2.10.0060.0278.91
5.2.00.0050.0298.77
5.1.60.0050.0238.05
5.1.50.0030.0258.05
5.1.40.0030.0258.04
5.1.30.0020.0288.39
5.1.20.0040.0268.41
5.1.10.0050.0248.13
5.1.00.0030.0268.13
5.0.50.0030.0216.61
5.0.40.0020.0216.47
5.0.30.0020.0336.28
5.0.20.0030.0206.26
5.0.10.0030.0216.23
5.0.00.0010.0346.22
4.4.90.0020.0174.78
4.4.80.0020.0174.75
4.4.70.0050.0134.76
4.4.60.0050.0134.75
4.4.50.0010.0174.77
4.4.40.0050.0234.71
4.4.30.0030.0154.76
4.4.20.0020.0174.85
4.4.10.0020.0164.85
4.4.00.0040.0244.76
4.3.110.0030.0164.66
4.3.100.0020.0174.66
4.3.90.0040.0134.63
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0050.0124.62
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0020.0163.28
4.3.20.0030.0153.25
4.3.10.0030.0153.21
4.3.00.0100.0306.99

preferences:
46.65 ms | 401 KiB | 5 Q