3v4l.org

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

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)
8.3.40.0070.00718.54
8.3.30.0140.00020.25
8.3.20.0000.00720.16
8.3.10.0050.00321.92
8.3.00.0040.00422.43
8.2.170.0040.01122.96
8.2.160.0090.00420.22
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0030.00519.67
8.2.110.0000.00822.06
8.2.100.0100.00317.78
8.2.90.0000.00819.22
8.2.80.0040.00419.25
8.2.70.0040.00417.63
8.2.60.0040.00418.03
8.2.50.0030.00518.07
8.2.40.0050.00218.22
8.2.30.0030.00517.96
8.2.20.0000.00717.59
8.2.10.0070.00017.65
8.2.00.0040.00417.61
8.1.270.0070.01124.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0100.00023.75
8.1.230.0090.00319.11
8.1.220.0040.00417.79
8.1.210.0030.00518.77
8.1.200.0040.00417.23
8.1.190.0000.00817.17
8.1.180.0040.00418.89
8.1.170.0050.00318.62
8.1.160.0000.00722.09
8.1.150.0000.00718.56
8.1.140.0040.00417.26
8.1.130.0030.00317.82
8.1.120.0070.00017.31
8.1.110.0040.00417.35
8.1.100.0080.00017.44
8.1.90.0070.00017.30
8.1.80.0000.00717.46
8.1.70.0040.00417.36
8.1.60.0060.00317.53
8.1.50.0070.00017.45
8.1.40.0050.00217.40
8.1.30.0040.00417.62
8.1.20.0050.00217.44
8.1.10.0040.00417.56
8.1.00.0040.00417.43
8.0.300.0000.00718.77
8.0.290.0000.00717.18
8.0.280.0030.00318.28
8.0.270.0060.00017.18
8.0.260.0030.00316.81
8.0.250.0000.00716.89
8.0.240.0030.00716.83
8.0.230.0000.00716.92
8.0.220.0030.00316.84
8.0.210.0040.00416.91
8.0.200.0000.00716.84
8.0.190.0030.00316.95
8.0.180.0070.00016.94
8.0.170.0080.00016.91
8.0.160.0040.00416.76
8.0.150.0040.00416.68
8.0.140.0090.00016.84
8.0.130.0040.00413.25
8.0.120.0040.00416.89
8.0.110.0040.00416.74
8.0.100.0070.00016.93
8.0.90.0040.00416.77
8.0.80.0080.00816.92
8.0.70.0030.00516.88
8.0.60.0050.00316.95
8.0.50.0040.00416.84
8.0.30.0130.00517.15
8.0.20.0110.00817.40
8.0.10.0000.00716.98
8.0.00.0140.00516.73
7.4.330.0050.00015.00
7.4.320.0060.00016.57
7.4.300.0030.00316.54
7.4.290.0000.00716.54
7.4.280.0060.00016.42
7.4.270.0000.00716.42
7.4.260.0070.00013.27
7.4.250.0040.00416.25
7.4.240.0020.00516.44
7.4.230.0000.00716.53
7.4.220.0130.01316.40
7.4.210.0050.00916.50
7.4.200.0040.00416.51
7.4.190.0070.00016.66
7.4.160.0130.00316.48
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0080.00816.45
7.4.120.0110.00616.64
7.4.110.0240.01716.41
7.4.100.0060.01416.45
7.4.90.0090.00916.53
7.4.80.0060.00919.39
7.4.70.0080.01616.42
7.4.60.0110.00616.46
7.4.50.0030.00616.47
7.4.40.0060.00822.77
7.4.30.0060.01516.50
7.4.00.0020.01315.11
7.3.330.0000.00613.11
7.3.320.0000.00513.12
7.3.310.0080.00016.21
7.3.300.0040.00316.30
7.3.290.0100.00316.32
7.3.280.0060.01116.25
7.3.270.0100.00717.40
7.3.260.0150.00616.30
7.3.250.0120.00516.35
7.3.240.0130.00616.30
7.3.230.0000.01616.39
7.3.210.0060.01216.29
7.3.200.0060.01419.39
7.3.190.0210.00016.41
7.3.180.0030.01316.23
7.3.170.0090.01216.39
7.3.160.0180.00416.30
7.3.120.0080.00314.79
7.3.110.0030.01014.73
7.3.100.0070.01014.70
7.3.90.0100.00314.84
7.3.80.0090.00314.63
7.3.70.0090.00614.54
7.3.60.0000.01514.71
7.3.50.0080.00414.64
7.3.40.0060.00614.50
7.3.30.0100.00314.72
7.3.20.0100.00716.55
7.3.10.0030.00716.71
7.3.00.0080.00816.72
7.2.330.0090.00916.34
7.2.320.0070.01416.16
7.2.310.0090.00916.64
7.2.300.0060.01816.59
7.2.290.0030.01216.40
7.2.250.0070.00714.78
7.2.240.0030.01614.74
7.2.230.0090.00615.09
7.2.220.0090.00614.89
7.2.210.0000.01515.14
7.2.200.0070.00714.80
7.2.190.0070.01014.65
7.2.180.0040.01414.59
7.2.170.0030.01015.02
7.2.60.0040.00816.60
7.2.00.0070.00719.29
7.1.330.0000.01415.80
7.1.320.0060.00915.81
7.1.310.0060.00915.82
7.1.300.0050.00815.65
7.1.290.0040.00815.69
7.1.280.0000.01815.93
7.1.270.0110.00315.32
7.1.260.0070.01015.77
7.1.200.0090.00315.64
7.1.100.0000.01118.25
7.1.70.0000.00816.79
7.1.60.0070.01719.43
7.1.50.0090.01316.89
7.1.00.0030.04722.35
7.0.200.0000.00716.77
7.0.140.0030.06722.12
7.0.110.0070.08019.95
7.0.100.0100.07719.96
7.0.90.0070.08319.92
7.0.80.0170.07019.93
7.0.70.0200.06319.82
7.0.60.0100.07720.07
7.0.50.0030.09020.45
7.0.40.0070.04720.03
7.0.30.0100.08020.04
7.0.20.0070.07720.04
7.0.10.0100.07720.03
7.0.00.0100.08720.23
5.6.280.0000.07720.76
5.6.260.0030.08320.69
5.6.250.0100.07720.63
5.6.240.0100.06720.69
5.6.230.0200.07320.71
5.6.220.0070.08320.55
5.6.210.0100.08020.67
5.6.200.0170.07721.29
5.6.190.0000.09321.11
5.6.180.0130.07321.27
5.6.170.0200.06020.93
5.6.160.0130.08020.92
5.6.150.0130.08020.98
5.6.140.0100.08321.14
5.6.130.0130.07021.04
5.6.120.0100.08021.13
5.6.110.0070.08021.10
5.6.100.0070.08321.00
5.6.90.0030.08021.26
5.6.80.0030.08320.59
5.6.70.0230.05720.32
5.6.60.0070.07020.58
5.6.50.0170.07320.50
5.6.40.0130.07720.62
5.6.30.0100.08020.55
5.6.20.0070.08320.46
5.6.10.0100.08020.61
5.6.00.0100.08320.45
5.5.380.0030.07320.29
5.5.370.0130.05020.55
5.5.360.0130.07720.50
5.5.350.0070.08020.43
5.5.340.0030.04721.00
5.5.330.0100.07720.84
5.5.320.0100.07321.03
5.5.310.0070.07320.96
5.5.300.0070.08320.77
5.5.290.0070.08720.80
5.5.280.0230.06720.97
5.5.270.0170.07321.02
5.5.260.0130.07720.73
5.5.250.0030.08020.55
5.5.240.0100.07020.40
5.5.230.0100.08020.41
5.5.220.0170.06720.41
5.5.210.0070.07720.25
5.5.200.0130.06320.18
5.5.190.0200.06720.16
5.5.180.0130.06320.36
5.5.160.0030.08320.16
5.5.150.0270.06020.33
5.5.140.0100.07320.33
5.5.130.0230.06720.31
5.5.120.0000.09020.25
5.5.110.0070.07320.32
5.5.100.0100.07720.17
5.5.90.0100.07020.27
5.5.80.0070.06019.96
5.5.70.0100.05020.25
5.5.60.0030.08020.01
5.5.50.0170.07320.03
5.5.40.0100.07320.00
5.5.30.0100.07720.05
5.5.20.0200.06320.17
5.5.10.0100.07319.95
5.5.00.0130.07720.21
5.4.450.0030.09019.26
5.4.440.0130.07319.32
5.4.430.0200.06719.50
5.4.420.0100.07319.25
5.4.410.0100.07719.32
5.4.400.0100.07319.03
5.4.390.0000.08319.01
5.4.380.0200.06019.18
5.4.370.0070.07019.03
5.4.360.0100.07319.08
5.4.350.0100.06019.27
5.4.340.0130.07319.10
5.4.320.0030.08318.95
5.4.310.0070.08019.08
5.4.300.0130.06319.11
5.4.290.0130.07719.00
5.4.280.0030.08719.13
5.4.270.0030.08018.98
5.4.260.0200.04018.93
5.4.250.0130.07018.98
5.4.240.0070.05019.11
5.4.230.0100.07019.24
5.4.220.0000.05019.07
5.4.210.0130.07019.27
5.4.200.0100.07719.09
5.4.190.0030.08318.99
5.4.180.0030.08318.99
5.4.170.0070.07719.11
5.4.160.0130.06718.93
5.4.150.0100.06718.98
5.4.140.0100.04316.56
5.4.130.0070.07716.52
5.4.120.0030.08316.24
5.4.110.0030.07016.19
5.4.100.0070.06716.48
5.4.90.0130.06716.28
5.4.80.0130.05016.51
5.4.70.0130.06716.17
5.4.60.0070.07316.33
5.4.50.0100.06316.47
5.4.40.0030.07316.43
5.4.30.0070.07016.27
5.4.20.0100.07016.47
5.4.10.0030.08316.34
5.4.00.0100.03715.71
5.3.290.0070.08014.56
5.3.280.0030.08014.44
5.3.270.0130.06314.67
5.3.260.0070.08014.49
5.3.250.0130.06714.57
5.3.240.0100.06714.39
5.3.230.0100.07314.49
5.3.220.0030.07314.44
5.3.210.0100.07014.41
5.3.200.0100.07014.44
5.3.190.0070.07314.41
5.3.180.0130.07014.50
5.3.170.0070.06314.57
5.3.160.0070.07314.64
5.3.150.0100.08014.45
5.3.140.0100.07014.57
5.3.130.0130.06714.43
5.3.120.0030.08314.61
5.3.110.0030.04714.44
5.3.100.0000.07013.98
5.3.90.0070.07013.92
5.3.80.0100.07013.93
5.3.70.0030.08013.93
5.3.60.0100.07014.09
5.3.50.0030.08313.80
5.3.40.0100.07013.87
5.3.30.0000.07713.96
5.3.20.0130.06313.70
5.3.10.0070.07013.59
5.3.00.0100.07013.51
5.2.170.0030.04312.24
5.2.160.0130.05012.24
5.2.150.0030.06312.24
5.2.140.0070.06312.24
5.2.130.0130.05312.24
5.2.120.0100.05712.24
5.2.110.0070.06012.24
5.2.100.0130.05312.24
5.2.90.0000.04312.24
5.2.80.0000.04712.24
5.2.70.0000.03312.24
5.2.60.0000.04312.24
5.2.50.0000.03012.24
5.2.40.0030.02712.24
5.2.30.0070.03012.24
5.2.20.0000.03012.24
5.2.10.0030.03712.24
5.2.00.0070.04712.24
5.1.60.0030.04012.24
5.1.50.0030.03012.24
5.1.40.0030.02312.24
5.1.30.0070.02312.24
5.1.20.0070.02712.24
5.1.10.0000.02712.24
5.1.00.0070.02312.24
5.0.50.0030.03012.24
5.0.40.0030.02312.24
5.0.30.0000.04012.24
5.0.20.0000.04012.24
5.0.10.0000.02012.24
5.0.00.0030.06312.24
4.4.90.0000.03012.24
4.4.80.0000.01712.24
4.4.70.0000.01712.24
4.4.60.0000.01712.24
4.4.50.0000.01712.24
4.4.40.0070.02012.24
4.4.30.0000.02012.24
4.4.20.0000.01712.24
4.4.10.0070.01012.24
4.4.00.0030.05312.24
4.3.110.0030.02012.24
4.3.100.0030.03012.24
4.3.90.0000.02012.24
4.3.80.0030.05312.24
4.3.70.0000.01712.24
4.3.60.0000.01712.24
4.3.50.0000.03012.24
4.3.40.0030.03312.24
4.3.30.0030.02012.24
4.3.20.0000.02012.24
4.3.10.0000.01712.24
4.3.00.0000.01712.24

preferences:
41.61 ms | 400 KiB | 5 Q