3v4l.org

run code in 300+ PHP versions simultaneously
<?php ${"rose"} = "white"; $rose = "red"; print_r(${"rose"}); echo "\n"; $arr{" "} = 99; var_dump($arr);

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)
8.3.40.0120.00618.70
8.3.30.0140.00018.98
8.3.20.0000.00720.06
8.3.10.0040.00423.53
8.3.00.0080.00019.00
8.2.170.0070.00722.96
8.2.160.0100.00320.35
8.2.150.0000.00824.18
8.2.140.0090.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00722.18
8.2.110.0100.00022.25
8.2.100.0040.00817.78
8.2.90.0030.00517.78
8.2.80.0030.00719.33
8.2.70.0000.00817.92
8.2.60.0060.00317.68
8.2.50.0080.00018.10
8.2.40.0050.00320.59
8.2.30.0000.00717.79
8.2.20.0000.00717.56
8.2.10.0040.00417.98
8.2.00.0040.00417.45
8.1.270.0070.01023.89
8.1.260.0100.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00922.06
8.1.230.0000.01120.91
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0060.00317.13
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0040.00418.50
8.1.160.0030.00322.04
8.1.150.0000.00718.66
8.1.140.0000.00717.23
8.1.130.0000.00717.73
8.1.120.0000.00717.30
8.1.110.0000.00717.24
8.1.100.0030.00317.23
8.1.90.0040.00417.29
8.1.80.0040.00417.29
8.1.70.0030.00317.27
8.1.60.0060.00317.35
8.1.50.0040.00417.30
8.1.40.0000.00817.34
8.1.30.0050.00317.52
8.1.20.0040.00417.52
8.1.10.0030.00617.37
8.1.00.0050.00317.34
8.0.300.0000.00720.00
8.0.290.0000.00816.63
8.0.280.0030.00318.22
8.0.270.0030.00317.13
8.0.260.0000.00717.06
8.0.250.0030.00316.88
8.0.240.0080.00016.75
8.0.230.0000.00716.89
8.0.220.0060.00316.86
8.0.210.0000.00716.71
8.0.200.0000.00716.80
8.0.190.0040.00416.92
8.0.180.0000.00716.77
8.0.170.0050.00316.80
8.0.160.0000.00716.84
8.0.150.0080.00016.80
8.0.140.0000.00816.76
8.0.130.0030.00313.29
8.0.120.0070.00016.68
8.0.110.0060.00316.78
8.0.100.0040.00416.77
8.0.90.0000.00816.77
8.0.80.0170.00016.86
8.0.70.0070.00016.87
8.0.60.0050.00316.78
8.0.50.0050.00216.61
8.0.30.0110.01116.97
8.0.20.0150.00617.40
8.0.10.0040.00416.93
8.0.00.0120.00516.66
7.4.330.0050.00015.00
7.4.320.0040.00416.49
7.4.300.0060.00016.39
7.4.290.0000.00716.45
7.4.280.0030.00616.56
7.4.270.0030.00516.47
7.4.260.0000.00716.39
7.4.250.0000.00816.52
7.4.240.0020.00516.44
7.4.230.0000.00716.61
7.4.220.0060.01216.57
7.4.210.0140.00016.54
7.4.200.0040.00416.60
7.4.160.0110.00816.36
7.4.150.0060.01617.40
7.4.140.0120.00617.86
7.4.130.0080.01416.46
7.4.120.0060.01316.61
7.4.110.0030.01316.39
7.4.100.0070.01016.58
7.4.90.0120.00416.42
7.4.80.0080.01119.39
7.4.70.0000.01716.54
7.4.60.0110.00716.43
7.4.50.0050.00216.63
7.4.40.0060.00916.39
7.4.30.0060.00916.35
7.4.00.0000.01614.82
7.3.330.0030.00312.95
7.3.320.0030.00313.01
7.3.310.0000.00716.20
7.3.300.0030.00316.15
7.3.290.0070.00716.21
7.3.280.0140.00316.24
7.3.270.0170.00417.40
7.3.260.0100.00716.47
7.3.250.0130.00316.34
7.3.240.0110.00816.11
7.3.230.0130.00316.48
7.3.210.0030.01416.49
7.3.200.0090.00619.39
7.3.190.0110.00716.18
7.3.180.0130.00316.41
7.3.170.0100.00716.27
7.3.160.0120.00416.30
7.3.10.0100.00616.60
7.3.00.0100.00316.62
7.2.330.0090.01216.70
7.2.320.0070.01016.57
7.2.310.0090.01216.64
7.2.300.0130.00316.66
7.2.290.0160.00716.47
7.2.130.0060.00616.91
7.2.120.0050.00516.64
7.2.110.0130.00316.38
7.2.100.0030.01216.77
7.2.90.0000.01516.98
7.2.80.0030.00616.59
7.2.70.0070.00717.03
7.2.60.0050.00516.77
7.2.50.0050.00517.00
7.2.40.0030.01016.84
7.2.30.0000.01516.99
7.2.20.0070.00716.54
7.2.10.0070.00716.73
7.2.00.0030.01218.17
7.1.250.0030.00715.59
7.1.200.0000.01115.73
7.1.100.0090.00918.02
7.1.70.0040.00717.07
7.1.60.0090.01519.11
7.1.50.0180.00616.57
7.1.00.0030.07722.43
7.0.200.0050.00516.64
7.0.140.0030.07021.99
7.0.60.0030.05019.98
7.0.50.0100.07717.91
7.0.40.0130.08020.09
7.0.30.0200.07720.09
7.0.20.0230.08020.30
7.0.10.0170.08020.30
7.0.00.0070.04320.12
5.6.280.0070.07021.13
5.6.210.0100.07020.61
5.6.200.0100.05018.15
5.6.190.0100.05720.67
5.6.180.0400.06720.44
5.6.170.0230.04020.39
5.6.160.0030.04020.54
5.6.150.0030.05718.08
5.6.140.0000.05718.16
5.6.130.0230.05718.19
5.6.120.0070.08320.91
5.6.110.0070.07320.98
5.6.100.0100.07720.98
5.6.90.0070.09020.99
5.6.80.0130.07320.53
5.5.350.0100.08020.30
5.5.340.0070.07718.02
5.5.330.0030.04320.29
5.5.320.0370.07320.30
5.5.310.0170.05320.17
5.5.300.0070.08318.04
5.5.290.0030.07718.00
5.5.280.0070.03720.77
5.5.270.0070.08720.83
5.5.260.0070.08720.73
5.5.250.0100.07320.66
5.5.240.0370.05320.18
5.4.450.0870.05319.55
5.4.440.0070.06019.10
5.4.430.1000.05319.42
5.4.420.0630.00019.32
5.4.410.0600.00019.31
5.4.400.0670.00019.18
5.4.390.0600.00019.05
5.4.380.0700.00018.95
5.4.370.0700.00018.98
5.4.360.0600.00019.26
5.4.350.0630.00019.13
5.4.340.0070.03511.97
5.4.320.0080.03512.45
5.4.310.0070.03612.45
5.4.300.0040.03812.46
5.4.290.0090.04112.45
5.4.280.0060.03512.35
5.4.270.0040.03812.35
5.4.260.0090.03512.35
5.4.250.0090.03612.35
5.4.240.0070.03512.35
5.4.230.0070.03712.34
5.4.220.0060.03712.34
5.4.210.0050.03612.34
5.4.200.0040.03912.34
5.4.190.0040.03712.34
5.4.180.0030.03812.34
5.4.170.0040.04012.35
5.4.160.0060.03512.34
5.4.150.0080.03412.34
5.4.140.0070.03612.02
5.4.130.0070.03412.02
5.4.120.0080.03311.97
5.4.110.0070.03311.97
5.4.100.0060.03511.96
5.4.90.0060.04211.96
5.4.80.0100.04511.96
5.4.70.0060.03411.96
5.4.60.0040.03711.96
5.4.50.0070.03411.96
5.4.40.0060.03511.95
5.4.30.0040.03811.95
5.4.20.0090.03311.95
5.4.10.0070.03411.95
5.4.00.0050.03711.43
5.3.290.0100.03512.80
5.3.280.0070.03912.71
5.3.270.0060.03912.72
5.3.260.0080.03712.72
5.3.250.0080.03612.72
5.3.240.0070.03712.72
5.3.230.0060.03712.71
5.3.220.0050.03712.68
5.3.210.0050.04212.68
5.3.200.0050.03712.68
5.3.190.0120.03212.68
5.3.180.0060.03912.67
5.3.170.0040.03812.67
5.3.160.0020.04112.68
5.3.150.0060.03712.68
5.3.140.0080.03412.66
5.3.130.0050.03912.66
5.3.120.0060.03812.66
5.3.110.0070.03812.66
5.3.100.0070.03612.12
5.3.90.0100.03912.09
5.3.80.0060.03612.08
5.3.70.0060.03712.08
5.3.60.0080.03512.07
5.3.50.0050.03712.00
5.3.40.0070.03512.00
5.3.30.0080.03311.94
5.3.20.0040.03611.72
5.3.10.0080.03211.69
5.3.00.0030.03911.67
5.2.170.0030.0329.18
5.2.160.0040.0309.18
5.2.150.0060.0309.18
5.2.140.0060.0309.17
5.2.130.0060.0309.14
5.2.120.0060.0309.13
5.2.110.0060.0289.14
5.2.100.0030.0309.13
5.2.90.0050.0289.13
5.2.80.0080.0269.13
5.2.70.0060.0299.13
5.2.60.0030.0329.09
5.2.50.0040.0309.06
5.2.40.0060.0279.04
5.2.30.0060.0289.01
5.2.20.0060.0278.99
5.2.10.0050.0268.92
5.2.00.0050.0288.77
5.1.60.0030.0258.06
5.1.50.0020.0278.06
5.1.40.0030.0268.04
5.1.30.0070.0228.39
5.1.20.0040.0268.41
5.1.10.0030.0288.14
5.1.00.0040.0318.13
5.0.50.0020.0216.61
5.0.40.0030.0196.48
5.0.30.0040.0306.29
5.0.20.0010.0216.25
5.0.10.0020.0206.24
5.0.00.0020.0346.23
4.4.90.0020.0164.78
4.4.80.0050.0204.76
4.4.70.0030.0154.75
4.4.60.0050.0194.76
4.4.50.0050.0194.77
4.4.40.0020.0264.71
4.4.30.0040.0174.76
4.4.20.0050.0134.84
4.4.10.0040.0144.85
4.4.00.0010.0264.76
4.3.110.0030.0154.67
4.3.100.0020.0154.66
4.3.90.0030.0144.63
4.3.80.0020.0244.58
4.3.70.0040.0134.63
4.3.60.0050.0124.63
4.3.50.0010.0174.63
4.3.40.0020.0254.54
4.3.30.0000.0183.28
4.3.20.0040.0143.25
4.3.10.0010.0163.21
4.3.00.0070.0237.10

preferences:
41.01 ms | 400 KiB | 5 Q