3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vars=array( '^hello', 123, false, 1.23, ); foreach($vars as $var) { echo $var, ' => ', (($var[0]=='^') ? substr($var,1) : 'false'), PHP_EOL; }

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)
8.3.60.0120.00916.63
8.3.50.0080.00821.83
8.3.40.0070.00718.64
8.3.30.0090.00619.13
8.3.20.0030.00520.20
8.3.10.0040.00423.48
8.3.00.0080.00020.95
8.2.180.0070.01118.66
8.2.170.0070.00722.96
8.2.160.0000.01320.32
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0050.00220.53
8.2.110.0060.00322.08
8.2.100.0080.00419.58
8.2.90.0070.00019.32
8.2.80.0050.00317.97
8.2.70.0050.00317.75
8.2.60.0060.00317.93
8.2.50.0030.00518.07
8.2.40.0040.00419.91
8.2.30.0040.00418.38
8.2.20.0040.00417.61
8.2.10.0040.00418.05
8.2.00.0060.00317.79
8.1.280.0100.01025.92
8.1.270.0090.00023.87
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.78
8.1.230.0040.00719.09
8.1.220.0030.00517.78
8.1.210.0030.00618.77
8.1.200.0090.00017.35
8.1.190.0080.00017.23
8.1.180.0040.00418.97
8.1.170.0060.00618.55
8.1.160.0040.00421.91
8.1.150.0040.00418.64
8.1.140.0000.00717.45
8.1.130.0030.00317.75
8.1.120.0030.00317.44
8.1.110.0070.00317.41
8.1.100.0040.00417.48
8.1.90.0040.00417.47
8.1.80.0000.00817.35
8.1.70.0050.00317.47
8.1.60.0040.00417.60
8.1.50.0000.00817.46
8.1.40.0000.00817.56
8.1.30.0040.00417.62
8.1.20.0030.00617.63
8.1.10.0040.00417.61
8.1.00.0000.00717.53
8.0.300.0040.00418.77
8.0.290.0000.00817.05
8.0.280.0080.00018.36
8.0.270.0030.00317.16
8.0.260.0060.00018.44
8.0.250.0070.00016.93
8.0.240.0030.00617.00
8.0.230.0070.00017.04
8.0.220.0030.00316.98
8.0.210.0040.00416.90
8.0.200.0040.00416.93
8.0.190.0000.00716.91
8.0.180.0040.00417.02
8.0.170.0070.00016.88
8.0.160.0040.00416.89
8.0.150.0000.00716.89
8.0.140.0000.00716.91
8.0.130.0060.00013.34
8.0.120.0000.00816.91
8.0.110.0020.00516.96
8.0.100.0080.00016.80
8.0.90.0030.00516.93
8.0.80.0070.00716.98
8.0.70.0080.00016.82
8.0.60.0070.00016.82
8.0.50.0030.00316.93
8.0.30.0130.00517.19
8.0.20.0110.00817.40
8.0.10.0040.00417.14
8.0.00.0080.00916.78
7.4.330.0000.00515.20
7.4.320.0000.00616.59
7.4.300.0000.00616.60
7.4.290.0000.00816.45
7.4.280.0040.00416.44
7.4.270.0030.00316.62
7.4.260.0030.00316.41
7.4.250.0040.00416.54
7.4.240.0020.00516.60
7.4.230.0070.00016.38
7.4.220.0120.00616.59
7.4.210.0040.01216.58
7.4.200.0030.00316.67
7.4.190.0000.00816.36
7.4.160.0110.01116.64
7.4.150.0130.01017.40
7.4.140.0080.00817.86
7.4.130.0120.00916.45
7.4.120.0130.00416.66
7.4.110.0100.00716.59
7.4.100.0060.01116.64
7.4.90.0080.00816.51
7.4.80.0140.00319.39
7.4.70.0040.01116.55
7.4.60.0120.00616.51
7.4.50.0060.00316.32
7.4.40.0150.00916.57
7.4.30.0090.00616.47
7.4.00.0030.01314.88
7.3.330.0050.00013.05
7.3.320.0030.00313.04
7.3.310.0040.00416.16
7.3.300.0000.00716.37
7.3.290.0150.00616.24
7.3.280.0100.00916.29
7.3.270.0090.00917.40
7.3.260.0120.00916.40
7.3.250.0100.00816.29
7.3.240.0110.00616.61
7.3.230.0130.00316.43
7.3.210.0090.00916.36
7.3.200.0120.00619.39
7.3.190.0070.01016.41
7.3.180.0130.00316.70
7.3.170.0090.00916.46
7.3.160.0040.01116.35
7.3.120.0110.00414.97
7.2.330.0070.01016.54
7.2.320.0130.00916.55
7.2.310.0080.01616.83
7.2.300.0090.00916.52
7.2.290.0090.00816.67
7.2.00.0030.00619.23
7.1.100.0150.00618.25
7.1.70.0040.00417.22
7.1.60.0070.01719.46
7.1.50.0040.01116.95
7.1.00.0100.07022.31
7.0.200.0000.00716.61
7.0.140.0030.07021.99
7.0.60.0130.07719.93
7.0.50.0130.07717.81
7.0.40.0070.09020.02
7.0.30.0330.07720.17
7.0.20.0370.08020.18
7.0.10.0130.07720.13
7.0.00.0070.07320.16
5.6.280.0100.08320.78
5.6.210.0030.05320.66
5.6.200.0030.08718.16
5.6.190.0130.06320.57
5.6.180.0070.04320.41
5.6.170.0330.07720.50
5.6.160.0130.06020.44
5.6.150.0030.06718.15
5.6.140.0070.05318.12
5.6.130.0070.05318.18
5.6.120.0000.04320.89
5.6.110.0100.08021.14
5.6.100.0200.06720.97
5.6.90.0070.06721.07
5.6.80.0070.08020.50
5.5.350.4330.04020.43
5.5.340.0130.06718.02
5.5.330.0130.07320.14
5.5.320.0230.06320.29
5.5.310.0430.07020.14
5.5.300.0030.04317.91
5.5.290.0100.08017.98
5.5.280.0030.08720.87
5.5.270.0030.07320.72
5.5.260.0030.08320.64
5.5.250.0030.04720.59
5.5.240.0030.06720.28
5.4.450.0500.05719.39
5.4.440.0730.06019.34
5.4.430.0770.04319.14
5.4.420.1030.04719.35
5.4.410.0570.05719.52
5.4.400.1230.05319.13
5.4.390.0700.07019.04
5.4.380.0200.05018.74
5.4.370.0100.05718.55
5.4.360.0130.05018.52
5.4.350.0130.06018.61
5.4.340.0130.05318.49
5.4.320.0070.03412.45
5.4.310.0050.05012.45
5.4.300.0030.03812.46
5.4.290.0040.04112.45
5.4.280.0060.03512.35
5.4.270.0080.03612.35
5.4.260.0090.03512.35
5.4.250.0070.03912.35
5.4.240.0040.03812.35
5.4.230.0080.03612.34
5.4.220.0080.03612.34
5.4.210.0080.03912.34
5.4.200.0040.04012.34
5.4.190.0060.03612.34
5.4.180.0080.03712.34
5.4.170.0100.03212.35
5.4.160.0070.03812.34
5.4.150.0080.03412.34
5.4.140.0120.04012.02
5.4.130.0070.05612.01
5.4.120.0090.04511.97
5.4.110.0080.03411.96
5.4.100.0100.03211.97
5.4.90.0090.03711.97
5.4.80.0050.03911.96
5.4.70.0060.03611.96
5.4.60.0100.04611.96
5.4.50.0070.04711.96
5.4.40.0100.05411.96
5.4.30.0060.05111.95
5.4.20.0070.05211.95
5.4.10.0070.04111.95
5.4.00.0100.03911.45
5.3.290.0050.04112.80
5.3.280.0110.04412.71
5.3.270.0080.03712.73
5.3.260.0090.03612.72
5.3.250.0030.04112.72
5.3.240.0060.03912.72
5.3.230.0100.04712.71
5.3.220.0080.03812.68
5.3.210.0070.04012.68
5.3.200.0090.03412.68
5.3.190.0080.03712.68
5.3.180.0070.03612.67
5.3.170.0040.03712.67
5.3.160.0050.03712.67
5.3.150.0060.03712.67
5.3.140.0060.04712.66
5.3.130.0080.04212.66
5.3.120.0070.03912.66
5.3.110.0060.03912.66
5.3.100.0040.03912.12
5.3.90.0060.03812.09
5.3.80.0080.03612.07
5.3.70.0090.05212.08
5.3.60.0070.03812.06
5.3.50.0050.04212.00
5.3.40.0070.03612.00
5.3.30.0050.03711.95
5.3.20.0120.03111.73
5.3.10.0050.03811.69
5.3.00.0060.03711.68
5.2.170.0040.0329.18
5.2.160.0080.0329.18
5.2.150.0080.0299.18
5.2.140.0070.0439.18
5.2.130.0070.0299.14
5.2.120.0060.0299.14
5.2.110.0060.0299.15
5.2.100.0060.0309.14
5.2.90.0050.0309.14
5.2.80.0070.0319.14
5.2.70.0080.0299.14
5.2.60.0050.0329.09
5.2.50.0090.0299.06
5.2.40.0050.0369.04
5.2.30.0070.0309.02
5.2.20.0090.0289.00
5.2.10.0030.0338.96
5.2.00.0020.0328.81
5.1.60.0040.0258.10
5.1.50.0070.0248.09
5.1.40.0070.0248.08
5.1.30.0060.0378.43
5.1.20.0040.0438.45
5.1.10.0020.0288.17
5.1.00.0010.0288.17
5.0.50.0050.0196.65
5.0.40.0020.0216.51
5.0.30.0040.0326.32
5.0.20.0040.0206.31
5.0.10.0060.0276.28
5.0.00.0030.0416.27
4.4.90.0020.0234.78
4.4.80.0050.0194.76
4.4.70.0030.0174.75
4.4.60.0030.0164.75
4.4.50.0030.0164.77
4.4.40.0000.0294.71
4.4.30.0030.0174.76
4.4.20.0010.0174.84
4.4.10.0030.0154.85
4.4.00.0050.0234.76
4.3.110.0040.0154.67
4.3.100.0030.0154.66
4.3.90.0020.0164.64
4.3.80.0020.0264.58
4.3.70.0050.0134.63
4.3.60.0020.0174.63
4.3.50.0030.0154.63
4.3.40.0010.0264.54
4.3.30.0010.0203.33
4.3.20.0010.0173.31
4.3.10.0020.0163.27
4.3.00.0130.0206.94

preferences:
44.7 ms | 401 KiB | 5 Q