3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($a,$b) = "aa"; var_dump($a,$b); list($a,$b) = str_split("aa"); var_dump($a,$b); $a = array(); $a[]="a"; $a[] ="a"; list($x,$y) = $a; var_dump($x,$y); $a[0]="ab"; list($a,$b) = $a[0]; var_dump($a,$b);

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)
8.3.60.0140.00718.31
8.3.50.0090.00618.17
8.3.40.0140.00018.71
8.3.30.0070.00719.04
8.3.20.0040.00420.16
8.3.10.0040.00423.66
8.3.00.0050.00319.26
8.2.180.0070.00716.38
8.2.170.0040.01122.96
8.2.160.0070.00719.16
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.07
8.2.110.0030.00621.00
8.2.100.0060.00617.91
8.2.90.0030.00619.05
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0000.00718.04
8.2.50.0060.00318.10
8.2.40.0070.00319.64
8.2.30.0040.00418.11
8.2.20.0070.00017.71
8.2.10.0040.00418.05
8.2.00.0000.00817.59
8.1.280.0100.00725.92
8.1.270.0050.00323.96
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.18
8.1.230.0080.00417.89
8.1.220.0080.00017.79
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0050.00217.35
8.1.180.0090.00018.10
8.1.170.0030.00618.53
8.1.160.0040.00421.95
8.1.150.0000.00718.68
8.1.140.0000.00717.27
8.1.130.0030.00317.81
8.1.120.0080.00017.36
8.1.110.0000.00817.27
8.1.100.0000.00817.36
8.1.90.0030.00317.38
8.1.80.0000.00717.43
8.1.70.0050.00217.40
8.1.60.0030.00517.47
8.1.50.0000.00817.33
8.1.40.0050.00317.37
8.1.30.0050.00317.58
8.1.20.0040.00417.40
8.1.10.0000.00817.46
8.1.00.0040.00417.48
8.0.300.0030.00618.77
8.0.290.0040.00416.63
8.0.280.0030.00318.27
8.0.270.0030.00317.13
8.0.260.0000.00717.09
8.0.250.0000.00716.84
8.0.240.0000.00716.77
8.0.230.0040.00416.80
8.0.220.0070.00016.82
8.0.210.0030.00316.72
8.0.200.0030.00316.84
8.0.190.0000.00816.88
8.0.180.0040.00416.84
8.0.170.0030.00516.75
8.0.160.0000.00716.88
8.0.150.0040.00416.63
8.0.140.0030.00716.63
8.0.130.0050.00013.25
8.0.120.0040.00416.83
8.0.110.0000.00716.80
8.0.100.0070.00016.71
8.0.90.0040.00316.82
8.0.80.0160.00316.75
8.0.70.0070.00016.77
8.0.60.0040.00416.88
8.0.50.0000.00816.70
8.0.30.0150.00417.06
8.0.20.0110.01217.40
8.0.10.0080.00016.98
8.0.00.0110.00616.68
7.4.330.0060.00015.00
7.4.320.0000.00616.42
7.4.300.0000.00616.44
7.4.290.0000.00716.48
7.4.280.0040.00316.43
7.4.270.0040.00716.54
7.4.260.0040.00416.39
7.4.250.0070.00016.43
7.4.240.0020.00516.42
7.4.230.0000.00716.51
7.4.220.0080.00816.41
7.4.210.0070.00716.48
7.4.200.0040.00416.33
7.4.160.0090.01216.46
7.4.150.0070.01117.40
7.4.140.0120.00517.86
7.4.130.0050.01116.39
7.4.120.0090.00816.39
7.4.110.0160.00316.48
7.4.100.0070.01016.27
7.4.90.0140.00316.43
7.4.80.0090.01019.39
7.4.70.0100.01316.36
7.4.60.0070.01016.33
7.4.50.0000.00816.39
7.4.40.0070.01416.64
7.4.30.0070.01216.54
7.4.00.0100.00514.84
7.3.330.0000.00613.12
7.3.320.0000.00613.10
7.3.310.0080.00016.22
7.3.300.0070.00016.17
7.3.290.0050.00816.31
7.3.280.0090.00716.28
7.3.270.0080.00817.40
7.3.260.0030.01316.35
7.3.250.0090.00816.21
7.3.240.0210.00016.22
7.3.230.0150.00316.39
7.3.210.0100.00716.44
7.3.200.0130.01019.39
7.3.190.0130.01016.20
7.3.180.0190.00416.47
7.3.170.0130.00316.58
7.3.160.0060.00916.34
7.3.120.0090.00915.01
7.3.110.0100.00714.97
7.3.100.0120.00414.98
7.3.90.0050.00814.58
7.3.80.0030.01314.86
7.3.70.0030.00614.93
7.3.60.0060.00914.73
7.3.50.0090.00314.80
7.3.40.0030.00914.78
7.3.30.0080.00514.79
7.3.20.0000.01216.66
7.3.10.0040.01116.50
7.3.00.0050.00716.52
7.2.330.0100.00716.70
7.2.320.0030.01316.40
7.2.310.0070.01116.58
7.2.300.0080.00816.40
7.2.290.0160.00616.72
7.2.250.0110.00314.87
7.2.240.0070.01014.89
7.2.230.0100.00315.19
7.2.220.0130.00015.29
7.2.210.0030.01015.07
7.2.200.0030.00715.00
7.2.190.0070.01014.82
7.2.180.0070.00314.99
7.2.170.0060.00914.89
7.2.130.0080.01216.71
7.2.120.0040.00716.84
7.2.110.0070.00716.98
7.2.100.0110.00317.00
7.2.90.0030.01017.00
7.2.80.0100.00316.64
7.2.70.0050.00916.64
7.2.60.0080.00616.91
7.2.50.0050.00916.80
7.2.40.0110.00716.90
7.2.30.0100.00516.82
7.2.20.0040.01116.89
7.2.10.0000.01716.70
7.2.00.0060.00616.85
7.1.330.0070.00715.87
7.1.320.0100.00315.70
7.1.310.0040.01115.89
7.1.300.0060.00915.74
7.1.290.0100.00715.81
7.1.280.0000.01215.76
7.1.270.0030.01215.99
7.1.260.0040.00915.65
7.1.250.0150.00615.88
7.1.200.0040.01115.82
7.1.70.0060.00316.85
7.1.60.0100.00317.35
7.1.50.0090.01616.88
7.1.00.0100.06722.37
7.0.200.0100.00716.37
7.0.140.0070.07022.00
7.0.60.0000.08319.95
7.0.50.0100.07717.82
7.0.40.0030.04319.98
7.0.30.0430.08020.09
7.0.20.0330.06720.17
7.0.10.0100.08320.30
7.0.00.0100.08020.01
5.6.280.0130.06321.02
5.6.210.0170.06320.70
5.6.200.0130.07018.15
5.6.190.0030.09020.56
5.6.180.0270.05320.64
5.6.170.0400.05020.50
5.6.160.0030.04720.54
5.6.150.0030.05018.18
5.6.140.0100.07018.18
5.6.130.0170.07018.07
5.6.120.0000.06720.92
5.6.110.0030.04321.00
5.6.100.0030.05321.05
5.6.90.0130.03320.98
5.6.80.0070.08320.48
5.5.350.0100.08320.35
5.5.340.0070.07317.91
5.5.330.0030.05020.19
5.5.320.0400.03020.32
5.5.310.0300.07720.32
5.5.300.0030.04017.95
5.5.290.0070.07317.87
5.5.280.0030.04320.64
5.5.270.0070.03720.85
5.5.260.0130.07720.95
5.5.250.0030.08020.57
5.5.240.0270.07020.25
5.4.450.0870.06019.55
5.4.440.0770.05719.48
5.4.430.0800.08019.09
5.4.420.0730.00019.63
5.4.410.0630.00019.42
5.4.400.0630.00019.03
5.4.390.0600.00019.14
5.4.380.0670.00018.95
5.4.370.0600.00019.16
5.4.360.0600.00019.16
5.4.350.0630.00019.13
5.4.340.0040.03611.97
5.4.320.0110.03312.45
5.4.310.0050.03812.45
5.4.300.0080.03412.45
5.4.290.0050.03912.45
5.4.280.0140.04412.35
5.4.270.0070.03612.35
5.4.260.0060.03912.35
5.4.250.0060.04212.35
5.4.240.0080.03712.35
5.4.230.0060.03812.34
5.4.220.0040.03812.34
5.4.210.0080.03912.34
5.4.200.0050.03712.34
5.4.190.0040.03812.34
5.4.180.0070.03712.34
5.4.170.0040.04012.35
5.4.160.0050.03612.34
5.4.150.0080.03512.34
5.4.140.0090.03512.03
5.4.130.0070.03412.02
5.4.120.0070.04711.97
5.4.110.0060.03511.97
5.4.100.0050.03711.96
5.4.90.0050.03911.96
5.4.80.0030.04111.97
5.4.70.0040.03811.96
5.4.60.0040.04311.96
5.4.50.0050.04411.96
5.4.40.0100.03111.95
5.4.30.0030.03811.95
5.4.20.0030.03711.95
5.4.10.0110.03911.95
5.4.00.0040.04411.44
5.3.290.0060.04812.80
5.3.280.0030.04412.71
5.3.270.0090.04712.72
5.3.260.0080.03712.72
5.3.250.0060.03812.72
5.3.240.0080.03612.72
5.3.230.0070.03712.70
5.3.220.0060.04312.68
5.3.210.0100.04612.68
5.3.200.0090.03412.68
5.3.190.0060.03812.68
5.3.180.0040.04412.67
5.3.170.0070.03712.66
5.3.160.0050.03912.67
5.3.150.0090.03912.67
5.3.140.0030.04312.66
5.3.130.0070.03912.66
5.3.120.0060.03912.65
5.3.110.0050.04012.66
5.3.100.0060.03812.12
5.3.90.0080.03612.09
5.3.80.0130.03112.07
5.3.70.0080.03412.07
5.3.60.0030.03912.07
5.3.50.0060.03712.00
5.3.40.0060.03612.00
5.3.30.0110.03211.94
5.3.20.0090.03611.72
5.3.10.0050.03611.69
5.3.00.0070.03511.68
5.2.170.0050.0329.18
5.2.160.0050.0299.18
5.2.150.0030.0329.18
5.2.140.0070.0299.18
5.2.130.0040.0299.14
5.2.120.0040.0299.14
5.2.110.0070.0299.14
5.2.100.0060.0349.14
5.2.90.0050.0369.14
5.2.80.0050.0329.14
5.2.70.0060.0299.13
5.2.60.0030.0319.09
5.2.50.0050.0299.05
5.2.40.0070.0299.03
5.2.30.0050.0299.01
5.2.20.0060.0379.00
5.2.10.0030.0318.93
5.2.00.0040.0298.78
5.1.60.0080.0208.07
5.1.50.0070.0228.07
5.1.40.0030.0258.05
5.1.30.0050.0278.39
5.1.20.0040.0268.42
5.1.10.0080.0258.14
5.1.00.0050.0258.14
5.0.50.0030.0216.62
5.0.40.0040.0186.48
5.0.30.0030.0316.29
5.0.20.0030.0266.26
5.0.10.0050.0196.24
5.0.00.0080.0276.23
4.4.90.0040.0144.78
4.4.80.0040.0144.76
4.4.70.0050.0154.75
4.4.60.0010.0214.76
4.4.50.0030.0144.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0020.0224.85
4.4.00.0020.0264.76
4.3.110.0020.0164.67
4.3.100.0020.0164.67
4.3.90.0020.0154.64
4.3.80.0020.0254.59
4.3.70.0030.0144.63
4.3.60.0020.0214.62
4.3.50.0050.0134.63
4.3.40.0040.0264.54
4.3.30.0050.0193.29
4.3.20.0040.0173.27
4.3.10.0010.0223.22
4.3.00.0300.0177.51

preferences:
39.82 ms | 400 KiB | 5 Q