3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array("Alice", "Mary", "George", "Dave"); reset($arr); list($a,$a) = $arr; var_dump($a); // Alice or Mary?

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)
8.3.40.0110.00418.70
8.3.30.0060.00918.59
8.3.20.0080.00018.65
8.3.10.0040.00418.48
8.3.00.0030.00619.25
8.2.170.0040.01122.96
8.2.160.0130.00618.79
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0060.00326.16
8.2.120.0040.00421.04
8.2.110.0070.00322.29
8.2.100.0150.00017.91
8.2.90.0080.00019.08
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0040.00417.93
8.2.50.0060.00317.68
8.2.40.0040.00419.23
8.2.30.0040.00417.56
8.2.20.0030.00617.63
8.2.10.0050.00317.54
8.2.00.0080.00017.66
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.01422.66
8.1.230.0080.00417.64
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0030.00618.88
8.1.170.0020.00517.62
8.1.160.0030.00718.87
8.1.150.0000.00818.50
8.1.140.0000.00717.31
8.1.130.0030.00317.41
8.1.120.0000.00817.32
8.1.110.0040.00417.41
8.1.100.0040.00417.36
8.1.90.0040.00417.37
8.1.80.0050.00317.43
8.1.70.0000.00717.20
8.1.60.0080.00017.45
8.1.50.0060.00317.50
8.1.40.0040.00417.27
8.1.30.0040.00417.58
8.1.20.0030.00517.54
8.1.10.0040.00417.46
8.1.00.0030.00617.52
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0050.00218.60
8.0.270.0030.00317.05
8.0.260.0030.00316.65
8.0.250.0000.00716.89
8.0.240.0080.00016.74
8.0.230.0030.00516.89
8.0.220.0000.00816.71
8.0.210.0040.00416.80
8.0.200.0000.00716.84
8.0.190.0050.00216.86
8.0.180.0040.00416.67
8.0.170.0040.00416.84
8.0.160.0050.00316.92
8.0.150.0060.00316.82
8.0.140.0040.00416.70
8.0.130.0060.00013.27
8.0.120.0000.01016.71
8.0.110.0030.00316.77
8.0.100.0040.00416.67
8.0.90.0070.00016.84
8.0.80.0090.00616.73
8.0.70.0000.00716.76
8.0.60.0070.00016.71
8.0.50.0090.00016.88
8.0.30.0030.01717.15
8.0.20.0160.00417.02
8.0.10.0070.00016.93
8.0.00.0060.01116.91
7.4.330.0050.00012.95
7.4.320.0000.00616.48
7.4.300.0040.00416.51
7.4.290.0030.00316.36
7.4.280.0040.00416.44
7.4.270.0000.00616.46
7.4.260.0000.00613.19
7.4.250.0000.00816.42
7.4.240.0000.00816.55
7.4.230.0000.00716.50
7.4.220.0200.00716.30
7.4.210.0000.01516.48
7.4.200.0030.00316.59
7.4.190.0000.00716.48
7.4.160.0130.00716.50
7.4.150.0090.01316.33
7.4.140.0070.01017.86
7.4.130.0180.00716.54
7.4.120.0070.01016.52
7.4.110.0150.00316.39
7.4.100.0070.01016.41
7.4.90.0160.00616.28
7.4.80.0070.01019.39
7.4.70.0060.01116.28
7.4.60.0130.00316.45
7.4.50.0000.00616.34
7.4.40.0130.00316.38
7.4.30.0110.00716.27
7.4.00.0100.00314.85
7.3.330.0000.00612.95
7.3.320.0050.00012.95
7.3.310.0000.00716.21
7.3.300.0000.00716.20
7.3.290.0070.01116.16
7.3.280.0090.00916.16
7.3.270.0160.00316.43
7.3.260.0130.00316.50
7.3.240.0120.00316.14
7.3.230.0120.01216.25
7.3.210.0090.00616.19
7.3.200.0110.01116.27
7.3.190.0080.01016.25
7.3.180.0060.01016.20
7.3.170.0110.01216.18
7.3.160.0130.00316.40
7.3.120.0060.00914.78
7.2.330.0070.01016.61
7.2.320.0090.01216.58
7.2.310.0130.01016.60
7.2.300.0030.01416.23
7.2.290.0080.00816.38
7.2.60.0070.01016.62
7.2.00.0000.01219.36
7.1.200.0100.00615.58
7.1.100.0070.00718.11
7.1.70.0000.01117.25
7.1.60.0100.01319.25
7.1.50.0070.01416.57
7.1.00.0000.03722.36
7.0.200.0070.01016.61
7.0.140.0070.06722.08
7.0.120.0070.06722.05
7.0.60.0030.05019.95
7.0.50.0070.08717.80
7.0.40.0100.04717.74
7.0.30.0130.08017.79
7.0.20.0070.05717.69
7.0.10.0070.05717.64
7.0.00.0100.04717.73
5.6.280.0130.06321.04
5.6.210.0070.07020.66
5.6.200.0100.07718.19
5.6.190.0070.05018.17
5.6.180.0130.07718.18
5.6.170.0030.05318.16
5.6.160.0070.08318.21
5.6.150.0070.07318.11
5.6.140.0130.06018.22
5.6.130.0130.07318.21
5.6.120.0070.06718.08
5.6.110.0200.07018.08
5.6.100.0030.05718.21
5.6.90.0100.08318.09
5.6.80.0130.07017.59
5.6.70.0070.08317.50
5.6.60.0130.07317.49
5.6.50.0200.04717.50
5.6.40.0130.03317.54
5.6.30.0130.07017.56
5.6.20.0070.06717.57
5.6.10.0070.06717.53
5.6.00.0070.07717.46
5.5.350.0070.07020.45
5.5.340.0030.08017.92
5.5.330.0130.07717.93
5.5.320.0200.06317.98
5.5.310.0030.06717.95
5.5.300.0070.05017.98
5.5.290.0100.08018.03
5.5.280.0100.07718.01
5.5.270.0030.09018.00
5.5.260.0100.08317.98
5.5.250.0070.08017.82
5.5.240.0070.07717.41
5.5.230.0070.05017.34
5.5.220.0070.06017.30
5.5.210.0070.08017.30
5.5.200.0100.04317.32
5.5.190.0000.08317.26
5.5.180.0070.07717.37
5.5.160.0100.04017.27
5.5.150.0200.05717.37
5.5.140.0000.04317.27
5.5.130.0070.03317.27
5.5.120.0030.03717.21
5.5.110.0000.04317.29
5.5.100.0030.03717.23
5.5.90.0000.03717.27
5.5.80.0000.04017.14
5.5.70.0070.04017.27
5.5.60.0070.07717.25
5.5.50.0030.03717.21
5.5.40.0070.04717.18
5.5.30.0100.03017.24
5.5.20.0030.03717.26
5.5.10.0070.03717.26
5.5.00.0100.03017.19
5.4.450.0070.06719.32
5.4.440.0070.08019.42
5.4.430.0030.05719.35
5.4.420.0030.05319.16
5.4.410.0070.08019.14
5.4.400.0000.04719.07
5.4.390.0030.08019.01
5.4.380.0030.07718.95
5.4.370.0200.05718.98
5.4.360.0100.05018.90
5.4.350.0030.07718.82
5.4.340.0030.06019.13
5.4.320.0070.07719.12
5.4.310.0030.06719.20
5.4.300.0030.03719.11
5.4.290.0000.04318.97
5.4.280.0070.03718.95
5.4.270.0070.03319.00
5.4.260.0130.02718.88
5.4.250.0030.03718.97
5.4.240.0000.04019.11
5.4.230.0070.04319.02
5.4.220.0000.05018.88
5.4.210.0030.04018.98
5.4.200.0030.03718.98
5.4.190.0000.04019.10
5.4.180.0100.03319.08
5.4.170.0000.04019.08
5.4.160.0070.03319.01
5.4.150.0130.03018.96
5.4.140.0030.03316.27
5.4.130.0070.03016.17
5.4.120.0000.03716.16
5.4.110.0000.03716.35
5.4.100.0030.03716.41
5.4.90.0030.03316.17
5.4.80.0030.03316.18
5.4.70.0000.03716.26
5.4.60.0000.03716.25
5.4.50.0000.03716.22
5.4.40.0030.03316.41
5.4.30.0000.06016.21
5.4.20.0000.05316.14
5.4.10.0070.07716.35
5.4.00.0100.05015.91
5.3.290.0130.07314.61
5.3.280.0000.08314.56
5.3.270.0030.03714.57
5.3.260.0000.04314.42
5.3.250.0000.04014.54
5.3.240.0030.03714.38
5.3.230.0030.03714.41
5.3.220.0000.04314.51
5.3.210.0070.07714.55
5.3.200.0070.03314.52
5.3.190.0030.03714.52
5.3.180.0070.03314.53
5.3.170.0000.03714.39
5.3.160.0030.03714.38
5.3.150.0000.04014.52
5.3.140.0000.04014.46
5.3.130.0070.05014.53
5.3.120.0100.03714.51
5.3.110.0070.05314.54
5.3.100.0130.07013.92
5.3.90.0070.07714.09
5.3.80.0070.06713.79
5.3.70.0070.07313.77
5.3.60.0100.07313.96
5.3.50.0100.07313.72
5.3.40.0100.07313.91
5.3.30.0070.07013.67
5.3.20.0100.07313.63
5.3.10.0030.07313.42
5.3.00.0100.07313.59
5.2.170.0030.06711.05
5.2.160.0070.06011.06
5.2.150.0070.06011.11
5.2.140.0100.03011.11
5.2.130.0030.03010.88
5.2.120.0070.02710.93
5.2.110.0000.06310.99
5.2.100.0100.06011.10
5.2.90.0070.05710.92
5.2.80.0030.06311.09
5.2.70.0000.04011.08
5.2.60.0070.05011.05
5.2.50.0030.06311.05
5.2.40.0100.05310.89
5.2.30.0100.06010.95
5.2.20.0000.06710.93
5.2.10.0030.06010.92
5.2.00.0030.03710.73
5.1.60.0100.04310.03
5.1.50.0030.0379.93
5.1.40.0170.04310.03
5.1.30.0070.05010.48
5.1.20.0000.04010.39
5.1.10.0100.03010.13
5.1.00.0000.0609.98
5.0.50.0070.0438.58
5.0.40.0070.0438.39
5.0.30.0070.0678.20
5.0.20.0070.0378.18
5.0.10.0000.0478.23
5.0.00.0000.0538.19
4.4.90.0000.0177.49
4.4.80.0070.0237.49
4.4.70.0030.0377.49
4.4.60.0000.0337.49
4.4.50.0070.0337.49
4.4.40.0100.0477.49
4.4.30.0000.0407.49
4.4.20.0070.0207.49
4.4.10.0100.0277.49
4.4.00.0070.0507.49
4.3.110.0030.0277.49
4.3.100.0070.0307.49
4.3.90.0070.0337.49
4.3.80.0070.0507.49
4.3.70.0030.0307.49
4.3.60.0000.0277.49
4.3.50.0070.0177.49
4.3.40.0000.0607.49
4.3.30.0000.0277.49
4.3.20.0030.0377.49
4.3.10.0030.0377.49
4.3.00.0030.0337.49

preferences:
46.17 ms | 400 KiB | 5 Q