3v4l.org

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

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)
8.3.60.0000.01518.31
8.3.50.0130.00721.21
8.3.40.0110.00318.75
8.3.30.0100.00318.88
8.3.20.0070.00020.09
8.3.10.0100.00023.55
8.3.00.0050.00319.26
8.2.180.0070.01418.41
8.2.170.0100.00322.96
8.2.160.0030.01020.32
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00022.10
8.2.110.0040.00422.09
8.2.100.0040.00717.70
8.2.90.0000.00819.00
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0050.00317.38
8.2.50.0070.00017.80
8.2.40.0030.00617.64
8.2.30.0030.00517.99
8.2.20.0000.00717.45
8.2.10.0030.00617.84
8.2.00.0080.00017.60
8.1.280.0140.00025.92
8.1.270.0000.01022.08
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00319.01
8.1.230.0040.00719.06
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0040.00417.22
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0050.00217.62
8.1.160.0030.00521.88
8.1.150.0000.00718.81
8.1.140.0040.00417.23
8.1.130.0030.00317.75
8.1.120.0000.00717.34
8.1.110.0000.00817.21
8.1.100.0030.00317.37
8.1.90.0030.00417.30
8.1.80.0050.00317.37
8.1.70.0000.00717.22
8.1.60.0050.00317.43
8.1.50.0000.00817.27
8.1.40.0000.00817.32
8.1.30.0040.00417.41
8.1.20.0070.00017.55
8.1.10.0030.00517.35
8.1.00.0040.00417.30
8.0.300.0000.00818.77
8.0.290.0040.00716.63
8.0.280.0030.00318.22
8.0.270.0080.00017.17
8.0.260.0000.00617.11
8.0.250.0070.00016.87
8.0.240.0080.00016.87
8.0.230.0070.00016.75
8.0.220.0000.00916.72
8.0.210.0030.00316.73
8.0.200.0000.00716.78
8.0.190.0030.00516.88
8.0.180.0030.00316.88
8.0.170.0050.00316.85
8.0.160.0040.00416.79
8.0.150.0000.00716.65
8.0.140.0050.00216.65
8.0.130.0050.00013.33
8.0.120.0000.00716.76
8.0.110.0000.00816.77
8.0.100.0000.00716.64
8.0.90.0050.00316.69
8.0.80.0120.00316.79
8.0.70.0040.00416.78
8.0.60.0040.00416.93
8.0.50.0070.00016.68
8.0.30.0080.01316.93
8.0.20.0110.00817.40
8.0.10.0000.00816.79
8.0.00.0090.01116.65
7.4.330.0030.00315.00
7.4.320.0000.00616.53
7.4.300.0060.00016.45
7.4.290.0000.00716.52
7.4.280.0060.00416.51
7.4.270.0030.00316.65
7.4.260.0070.00016.50
7.4.250.0040.00416.46
7.4.240.0040.00416.51
7.4.230.0030.00616.39
7.4.220.0110.00716.54
7.4.210.0060.01316.70
7.4.200.0030.00316.63
7.4.160.0120.00916.36
7.4.150.0120.00917.40
7.4.140.0110.01117.86
7.4.130.0100.00916.50
7.4.120.0090.00916.49
7.4.110.0030.01616.59
7.4.100.0140.00616.62
7.4.90.0090.00616.54
7.4.80.0030.01319.39
7.4.70.0080.00816.41
7.4.60.0100.00716.65
7.4.50.0030.00316.45
7.4.40.0120.00316.54
7.4.30.0130.00916.61
7.4.00.0060.00915.18
7.3.330.0030.00313.18
7.3.320.0020.00213.13
7.3.310.0070.00016.41
7.3.300.0030.00316.26
7.3.290.0000.01316.30
7.3.280.0050.01216.30
7.3.270.0110.01117.40
7.3.260.0140.01016.45
7.3.250.0090.01016.39
7.3.240.0080.00816.35
7.3.230.0070.01016.52
7.3.210.0060.01016.36
7.3.200.0100.00719.39
7.3.190.0030.01616.31
7.3.180.0060.00916.48
7.3.170.0070.01016.37
7.3.160.0120.00416.49
7.3.120.0090.00614.99
7.3.110.0060.00614.72
7.3.100.0100.00314.48
7.3.90.0090.00614.77
7.3.80.0100.00314.80
7.3.70.0080.00414.58
7.3.60.0100.00614.63
7.3.50.0120.00314.61
7.3.40.0110.00414.77
7.3.30.0070.01014.78
7.3.20.0000.01716.79
7.3.10.0040.01416.38
7.3.00.0090.00916.58
7.2.330.0160.00316.57
7.2.320.0060.01216.72
7.2.310.0060.01716.45
7.2.300.0180.00416.56
7.2.290.0140.00316.75
7.2.240.0030.01314.60
7.2.230.0060.01014.83
7.2.220.0100.00715.18
7.2.210.0100.00314.81
7.2.200.0000.01714.75
7.2.190.0040.01214.95
7.2.180.0040.01114.82
7.2.170.0040.01114.91
7.2.160.0070.01015.05
7.2.150.0040.01116.87
7.2.140.0070.00716.82
7.2.130.0030.01116.80
7.2.120.0070.00716.62
7.2.110.0040.01216.72
7.2.100.0000.01416.84
7.2.90.0110.00317.01
7.2.80.0060.01016.84
7.2.70.0000.01316.84
7.2.60.0070.01016.78
7.2.50.0080.00616.79
7.2.40.0030.01016.81
7.2.30.0100.00716.74
7.2.20.0000.00916.96
7.2.10.0000.01416.86
7.2.00.0050.00718.05
7.1.330.0120.00315.90
7.1.320.0040.00715.93
7.1.310.0090.00615.68
7.1.300.0000.01015.84
7.1.290.0080.00815.81
7.1.280.0000.01315.80
7.1.270.0030.01315.91
7.1.260.0040.00815.84
7.1.250.0030.00815.49
7.1.100.0070.00718.16
7.1.70.0000.01317.09
7.1.60.0110.01419.11
7.1.50.0060.01216.93
7.1.00.0030.07722.29
7.0.200.0030.00616.89
7.0.140.0030.06722.09
7.0.60.0100.04019.84
7.0.50.0130.05717.89
7.0.40.0030.05020.21
7.0.30.0230.07320.00
7.0.20.0270.07020.18
7.0.10.0070.07020.18
7.0.00.0030.04320.17
5.6.280.0100.06720.90
5.6.210.0170.07020.72
5.6.200.0100.08018.18
5.6.190.0130.07720.41
5.6.180.0300.05320.33
5.6.170.0230.03320.33
5.6.160.0030.04320.49
5.6.150.0070.07318.19
5.6.140.0000.09018.21
5.6.130.0070.08018.15
5.6.120.0270.04020.91
5.6.110.0030.08721.11
5.6.100.0070.08720.94
5.6.90.0000.05320.97
5.6.80.0200.04720.41
5.5.350.0130.06020.33
5.5.340.0070.08317.88
5.5.330.0100.03720.57
5.5.320.0330.04720.25
5.5.310.0130.04320.18
5.5.300.0030.05017.95
5.5.290.0200.04017.95
5.5.280.0030.04020.79
5.5.270.0070.07720.94
5.5.260.0030.06720.89
5.5.250.0000.04720.65
5.5.240.0270.07020.36
5.4.450.0170.05719.32
5.4.440.0630.06019.12
5.4.430.0730.05019.26
5.4.420.0730.00019.50
5.4.410.0700.00019.35
5.4.400.0630.00018.96
5.4.390.0670.00019.00
5.4.380.0670.00019.11
5.4.370.0730.00019.26
5.4.360.0830.00019.05
5.4.350.0630.00019.19
5.4.340.0060.03411.97
5.4.320.0050.03712.45
5.4.310.0050.03812.45
5.4.300.0050.03612.45
5.4.290.0040.04312.45
5.4.280.0060.03412.35
5.4.270.0060.03512.35
5.4.260.0070.03512.35
5.4.250.0090.03312.35
5.4.240.0040.04412.35
5.4.230.0080.03412.34
5.4.220.0050.03612.34
5.4.210.0060.03412.34
5.4.200.0060.03612.34
5.4.190.0050.03612.34
5.4.180.0050.03512.34
5.4.170.0060.03512.35
5.4.160.0040.03712.35
5.4.150.0040.03812.34
5.4.140.0070.03712.02
5.4.130.0030.03612.01
5.4.120.0060.03411.97
5.4.110.0080.03111.96
5.4.100.0050.03511.97
5.4.90.0060.03611.96
5.4.80.0070.03511.96
5.4.70.0040.03511.96
5.4.60.0040.03611.96
5.4.50.0080.03511.96
5.4.40.0080.03211.95
5.4.30.0060.04211.95
5.4.20.0060.03411.95
5.4.10.0100.03911.95
5.4.00.0050.03611.43
5.3.290.0050.04012.80
5.3.280.0080.03512.71
5.3.270.0050.03912.72
5.3.260.0070.03712.72
5.3.250.0020.04012.72
5.3.240.0060.03612.72
5.3.230.0110.03112.70
5.3.220.0090.03212.68
5.3.210.0060.03812.68
5.3.200.0050.03712.68
5.3.190.0080.03612.68
5.3.180.0050.03612.67
5.3.170.0100.03212.67
5.3.160.0050.03912.68
5.3.150.0090.03312.67
5.3.140.0060.03512.66
5.3.130.0090.03512.65
5.3.120.0080.03612.66
5.3.110.0070.03712.66
5.3.100.0080.03312.12
5.3.90.0070.03412.09
5.3.80.0040.03712.08
5.3.70.0070.03412.07
5.3.60.0080.03312.07
5.3.50.0040.03712.00
5.3.40.0070.03412.00
5.3.30.0070.03311.95
5.3.20.0070.03311.72
5.3.10.0050.03511.69
5.3.00.0070.03511.68
5.2.170.0060.0289.18
5.2.160.0050.0279.18
5.2.150.0030.0319.18
5.2.140.0050.0299.17
5.2.130.0060.0269.13
5.2.120.0030.0319.13
5.2.110.0040.0309.14
5.2.100.0070.0269.14
5.2.90.0050.0289.14
5.2.80.0060.0309.13
5.2.70.0050.0299.13
5.2.60.0040.0319.09
5.2.50.0050.0299.06
5.2.40.0050.0289.04
5.2.30.0050.0349.01
5.2.20.0060.0299.00
5.2.10.0050.0318.92
5.2.00.0050.0318.78
5.1.60.0060.0228.06
5.1.50.0030.0268.05
5.1.40.0060.0238.04
5.1.30.0070.0248.39
5.1.20.0070.0268.41
5.1.10.0050.0268.13
5.1.00.0040.0258.14
5.0.50.0040.0206.62
5.0.40.0020.0206.47
5.0.30.0040.0306.29
5.0.20.0010.0216.26
5.0.10.0030.0196.24
5.0.00.0030.0306.23
4.4.90.0020.0154.78
4.4.80.0030.0144.75
4.4.70.0040.0144.75
4.4.60.0030.0204.76
4.4.50.0010.0164.77
4.4.40.0030.0244.71
4.4.30.0020.0164.76
4.4.20.0010.0164.84
4.4.10.0050.0134.85
4.4.00.0030.0254.76
4.3.110.0010.0174.66
4.3.100.0030.0144.66
4.3.90.0010.0184.64
4.3.80.0070.0284.59
4.3.70.0090.0154.63
4.3.60.0000.0204.63
4.3.50.0030.0154.63
4.3.40.0020.0254.53
4.3.30.0020.0163.28
4.3.20.0020.0163.26
4.3.10.0020.0153.22
4.3.00.0130.0237.10

preferences:
40.79 ms | 401 KiB | 5 Q