3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($a, $b) = 'aa'; var_dump($a, $b); $array = array('ab'); list($c, $d) = $array[0]; var_dump($c, $d);

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)
8.3.40.0070.00718.81
8.3.30.0000.01419.09
8.3.20.0080.00020.46
8.3.10.0050.00323.65
8.3.00.0080.00019.25
8.2.170.0070.00722.96
8.2.160.0060.00920.32
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00421.09
8.2.110.0000.00922.13
8.2.100.0040.00817.84
8.2.90.0030.00617.50
8.2.80.0040.00417.97
8.2.70.0080.00017.80
8.2.60.0030.01017.68
8.2.50.0030.00618.10
8.2.40.0040.00420.59
8.2.30.0000.00718.12
8.2.20.0040.00417.55
8.2.10.0040.00418.16
8.2.00.0040.00417.59
8.1.270.0040.00423.71
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0100.00023.96
8.1.230.0110.01118.87
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00617.10
8.1.190.0030.00617.13
8.1.180.0080.00018.10
8.1.170.0000.00818.45
8.1.160.0030.00521.89
8.1.150.0040.00418.92
8.1.140.0000.00717.37
8.1.130.0070.00017.83
8.1.120.0000.00717.40
8.1.110.0070.00017.41
8.1.100.0050.00317.45
8.1.90.0070.00017.39
8.1.80.0030.00417.23
8.1.70.0070.00017.34
8.1.60.0060.00317.45
8.1.50.0040.00417.49
8.1.40.0040.00417.45
8.1.30.0040.00417.45
8.1.20.0000.00817.65
8.1.10.0040.00417.41
8.1.00.0040.00417.50
8.0.300.0080.00019.53
8.0.290.0000.00816.63
8.0.280.0070.00018.44
8.0.270.0070.00017.14
8.0.260.0030.00317.08
8.0.250.0030.00316.90
8.0.240.0000.00816.85
8.0.230.0030.00316.85
8.0.220.0030.00316.84
8.0.210.0030.00316.74
8.0.200.0040.00416.93
8.0.190.0050.00316.89
8.0.180.0040.00416.77
8.0.170.0040.00416.85
8.0.160.0030.00416.69
8.0.150.0000.00716.79
8.0.140.0040.00416.61
8.0.130.0000.00513.34
8.0.120.0080.00016.81
8.0.110.0000.00716.80
8.0.100.0070.00016.67
8.0.90.0040.00416.75
8.0.80.0030.01716.84
8.0.70.0040.00416.87
8.0.60.0050.00216.81
8.0.50.0000.00716.72
8.0.30.0140.00517.15
8.0.20.0070.01217.40
8.0.10.0000.00716.83
8.0.00.0070.01116.76
7.4.330.0000.00715.00
7.4.320.0030.00316.46
7.4.300.0060.00016.51
7.4.290.0030.00316.55
7.4.280.0050.00316.43
7.4.270.0040.00416.34
7.4.260.0070.00016.56
7.4.250.0070.00016.30
7.4.240.0050.00316.49
7.4.230.0000.00616.33
7.4.220.0060.01516.61
7.4.210.0140.00016.48
7.4.200.0050.00216.46
7.4.160.0140.00616.45
7.4.150.0100.00717.40
7.4.140.0130.01017.86
7.4.130.0090.00916.42
7.4.120.0050.01116.41
7.4.110.0070.01116.41
7.4.100.0120.00916.59
7.4.90.0110.00616.34
7.4.80.0150.00919.39
7.4.70.0100.01016.31
7.4.60.0110.00616.42
7.4.50.0060.00316.24
7.4.40.0090.00616.40
7.4.30.0060.01016.47
7.4.00.0060.00914.90
7.3.330.0060.00012.95
7.3.320.0030.00313.16
7.3.310.0070.00016.25
7.3.300.0000.00716.02
7.3.290.0060.00916.25
7.3.280.0050.01116.24
7.3.270.0150.00617.40
7.3.260.0140.00516.21
7.3.250.0110.00816.42
7.3.240.0080.01416.23
7.3.230.0150.00416.39
7.3.210.0100.01316.41
7.3.200.0100.00619.39
7.3.190.0060.00916.15
7.3.180.0090.00616.18
7.3.170.0090.00616.46
7.3.160.0140.00416.44
7.2.330.0080.00816.61
7.2.320.0030.01416.43
7.2.310.0160.00016.29
7.2.300.0060.01216.63
7.2.290.0030.01316.40
7.2.60.0090.00617.06
7.2.00.0090.00319.37
7.1.200.0060.00615.72
7.1.100.0070.00718.11
7.1.70.0000.00717.06
7.1.60.0100.01419.46
7.1.50.0090.01516.95
7.1.00.0000.08022.54
7.0.200.0040.00416.49
7.0.140.0030.07022.08
7.0.60.0100.08319.96
7.0.50.0070.03717.86
7.0.40.0200.06320.07
7.0.30.0470.04320.20
7.0.20.0200.04720.17
7.0.10.0170.06320.09
7.0.00.0070.09020.30
5.6.280.0100.06721.04
5.6.210.0170.06720.50
5.6.200.0130.08018.19
5.6.190.0030.05720.77
5.6.180.0330.07020.27
5.6.170.0400.05720.49
5.6.160.0070.08020.46
5.6.150.0000.04318.18
5.6.140.0030.05718.10
5.6.130.0100.08318.18
5.6.120.0100.07720.89
5.6.110.0130.08321.11
5.6.100.0030.05021.13
5.6.90.0130.06021.09
5.6.80.0070.08720.52
5.5.350.0170.07320.32
5.5.340.0070.05317.89
5.5.330.0070.04720.23
5.5.320.0300.07720.29
5.5.310.0130.04720.18
5.5.300.0000.07017.99
5.5.290.0070.05317.88
5.5.280.0170.07020.87
5.5.270.0100.08320.88
5.5.260.0070.07720.94
5.5.250.0070.08020.58
5.5.240.0170.05320.25
5.4.450.0130.06719.12
5.4.440.0100.03719.41
5.4.430.1930.03719.54
5.4.420.2470.04319.54
5.4.410.2400.03719.13
5.4.400.2500.04319.08
5.4.390.2530.04319.24
5.4.380.2600.03719.04
5.4.370.2430.04018.88
5.4.360.2370.04019.11
5.4.350.2430.04019.06
5.4.340.0000.04719.11
5.4.320.0000.04019.21
5.4.310.1230.05719.06
5.4.300.2330.04319.03
5.4.290.2570.04019.25
5.4.280.2700.03719.10
5.4.270.2630.03718.91
5.4.260.2430.03719.13
5.4.250.1730.06319.24
5.4.240.2700.02718.88
5.4.230.2470.04019.24
5.4.220.2370.03718.80
5.4.210.2670.03319.07
5.4.200.2600.03719.07
5.4.190.2630.06018.92
5.4.180.2630.04319.12
5.4.170.2570.04319.12
5.4.160.2570.04319.23
5.4.150.2600.04319.11
5.4.140.2630.03716.29
5.4.130.2770.04316.26
5.4.120.2430.04016.33
5.4.110.2430.04316.49
5.4.100.2900.05316.34
5.4.90.2500.03716.47
5.4.80.2630.03716.19
5.4.70.2430.03716.21
5.4.60.2530.03016.19
5.4.50.2730.03016.15
5.4.40.2530.03316.04
5.4.30.2770.03316.41
5.4.20.2500.03016.38
5.4.10.2430.03716.36
5.4.00.2500.03315.82
5.3.290.2470.03314.68
5.3.280.2700.04714.42
5.3.270.2900.04714.64
5.3.260.2600.04714.43
5.3.250.0170.04014.45
5.3.240.0170.05714.51
5.3.230.0100.04314.61
5.3.220.0270.06014.51
5.3.210.0330.04314.46
5.3.200.0370.06314.39
5.3.190.0100.04014.41
5.3.180.0170.03714.39
5.3.170.0300.05014.46
5.3.160.0200.04014.40
5.3.150.0330.06314.45
5.3.140.0170.05014.54
5.3.130.0230.04014.45
5.3.120.0270.04314.37
5.3.110.0230.07014.64
5.3.100.0270.04314.05
5.3.90.0170.07313.97
5.3.80.0200.07013.89
5.3.70.0430.03714.11
5.3.60.0300.06313.86
5.3.50.0230.03313.90
5.3.40.0300.04713.85
5.3.30.0230.03013.74
5.3.20.0270.05313.52
5.3.10.0470.04713.56
5.3.00.0230.04313.55
5.2.170.0230.02711.09
5.2.160.0200.06311.09
5.2.150.0130.03311.05
5.2.140.0430.03011.00
5.2.130.0200.03711.04
5.2.120.0200.02710.95
5.2.110.0170.03010.98
5.2.100.0170.04011.15
5.2.90.0230.03310.97
5.2.80.0230.05711.18
5.2.70.0200.06010.95
5.2.60.0170.04310.91
5.2.50.0300.04710.90
5.2.40.0200.03310.82
5.2.30.0170.04010.80
5.2.20.0200.05310.81
5.2.10.0230.05010.82
5.2.00.0230.04310.75
5.1.60.0230.04310.12
5.1.50.0170.0409.97
5.1.40.0170.0409.84
5.1.30.0100.03310.23
5.1.20.0170.05310.26
5.1.10.0170.03010.11
5.1.00.0200.04310.15
5.0.50.0100.0178.59
5.0.40.0070.0208.30
5.0.30.0130.0608.36
5.0.20.0170.0278.24
5.0.10.0030.0378.32
5.0.00.0070.0508.04
4.4.90.0070.0207.54
4.4.80.0070.0307.54
4.4.70.0070.0337.54
4.4.60.0070.0237.54
4.4.50.0130.0307.54
4.4.40.0070.0377.54
4.4.30.0130.0307.54
4.4.20.0070.0277.54
4.4.10.0100.0237.54
4.4.00.0130.0237.54
4.3.110.0030.0237.54
4.3.100.0070.0207.54
4.3.90.0170.0107.54
4.3.80.0100.0407.54
4.3.70.0100.0377.54
4.3.60.0130.0237.54
4.3.50.0070.0237.54
4.3.40.0030.0337.54
4.3.30.0070.0177.54
4.3.20.0000.0377.54
4.3.10.0030.0277.54
4.3.00.0030.0337.54

preferences:
34.98 ms | 400 KiB | 5 Q