3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'foo'; $b = 'bar'; $array = [&$a, $b]; var_dump($array); $newArray = array_map(function(&$item){ return $item; }, $array); var_dump($newArray);

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)
8.3.60.0070.01316.63
8.3.50.0190.00118.30
8.3.40.0150.00618.63
8.3.30.0110.01118.54
8.3.20.0080.00018.60
8.3.10.0030.00520.48
8.3.00.0000.00819.38
8.2.180.0140.00718.41
8.2.170.0110.00618.75
8.2.160.0130.00322.96
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0000.01420.88
8.2.110.0090.00021.10
8.2.100.0030.01118.03
8.2.90.0060.00319.53
8.2.80.0000.00719.32
8.2.70.0050.00317.50
8.2.60.0000.01018.05
8.2.50.0050.00318.07
8.2.40.0030.00518.22
8.2.30.0050.00318.07
8.2.20.0000.00817.82
8.2.10.0060.00317.78
8.2.00.0040.00417.68
8.1.280.0070.00725.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0100.00722.30
8.1.230.0080.00320.85
8.1.220.0040.00417.74
8.1.210.0030.00618.89
8.1.200.0060.00317.23
8.1.190.0000.00817.53
8.1.180.0040.00418.10
8.1.170.0000.00818.89
8.1.160.0040.00418.88
8.1.150.0000.00718.69
8.1.140.0060.00317.35
8.1.130.0000.00717.79
8.1.120.0000.00717.47
8.1.110.0000.00817.32
8.1.100.0000.00717.37
8.1.90.0060.00317.43
8.1.80.0000.00717.48
8.1.70.0060.00317.34
8.1.60.0040.00417.64
8.1.50.0000.00817.53
8.1.40.0040.00417.45
8.1.30.0050.00317.63
8.1.20.0000.00817.57
8.1.10.0030.00617.51
8.1.00.0060.00317.34
8.0.300.0070.00020.01
8.0.290.0040.00416.88
8.0.280.0000.00818.44
8.0.270.0070.00017.26
8.0.260.0030.00616.81
8.0.250.0000.00817.00
8.0.240.0000.00816.96
8.0.230.0040.00417.08
8.0.220.0030.00316.93
8.0.210.0000.00716.81
8.0.200.0060.00316.96
8.0.190.0050.00317.02
8.0.180.0000.00716.90
8.0.170.0060.00317.03
8.0.160.0030.00316.93
8.0.150.0070.00316.89
8.0.140.0030.00516.80
8.0.130.0030.00313.46
8.0.120.0040.00416.81
8.0.110.0060.00317.02
8.0.100.0040.00417.00
8.0.90.0000.00717.00
8.0.80.0000.02116.94
8.0.70.0080.00016.86
8.0.60.0050.00317.01
8.0.50.0000.00716.90
8.0.30.0160.00717.16
8.0.20.0080.01417.08
8.0.10.0040.00416.92
8.0.00.0090.01216.81
7.4.330.0040.00013.05
7.4.320.0060.00016.65
7.4.300.0030.00316.49
7.4.290.0000.00816.64
7.4.280.0070.00016.43
7.4.270.0040.00416.65
7.4.260.0000.00513.12
7.4.250.0000.00816.59
7.4.240.0040.00316.55
7.4.230.0040.00416.48
7.4.220.0030.01316.64
7.4.210.0040.01016.58
7.4.200.0040.00416.25
7.4.190.0030.00316.64
7.4.160.0060.01816.50
7.4.150.0070.01116.52
7.4.140.0120.00616.53
7.4.130.0080.01016.65
7.4.120.0120.00716.39
7.4.110.0120.00516.58
7.4.100.0120.01216.30
7.4.90.0090.00916.37
7.4.80.0070.01019.39
7.4.70.0090.00916.53
7.4.60.0060.00916.41
7.4.50.0050.00816.75
7.4.40.0060.01216.38
7.4.30.0080.00816.50
7.4.00.0000.01715.18
7.3.330.0030.00313.32
7.3.320.0000.00513.29
7.3.310.0040.00416.31
7.3.300.0070.00016.32
7.3.290.0090.00616.34
7.3.280.0100.00816.30
7.3.270.0060.01116.35
7.3.260.0000.01816.49
7.3.250.0080.01016.39
7.3.240.0100.00716.27
7.3.230.0060.01116.27
7.3.210.0040.01316.35
7.3.200.0100.00716.25
7.3.190.0000.01616.50
7.3.180.0150.00616.42
7.3.170.0080.00816.28
7.3.160.0130.00716.25
7.3.120.0100.00714.82
7.3.10.0100.00616.72
7.3.00.0070.00716.40
7.2.330.0080.01116.74
7.2.320.0180.00016.53
7.2.310.0090.01216.50
7.2.300.0140.00616.57
7.2.290.0100.00616.41
7.2.130.0070.00416.77
7.2.120.0090.00616.73
7.2.110.0070.00716.65
7.2.100.0130.00316.64
7.2.90.0060.00916.83
7.2.80.0130.00016.77
7.2.70.0100.00316.80
7.2.60.0050.01116.71
7.2.50.0100.00716.57
7.2.40.0150.00016.73
7.2.30.0070.00317.04
7.2.20.0060.00616.70
7.2.10.0100.00616.80
7.2.00.0050.00717.81
7.1.250.0100.00615.85
7.1.200.0080.00615.63
7.1.100.0040.00717.96
7.1.70.0000.00717.09
7.1.60.0100.01319.40
7.1.50.0130.01016.89
7.1.00.0030.06722.31
7.0.200.0040.00416.77
7.0.140.0070.07022.08
7.0.120.0070.07322.09
7.0.60.0000.04319.97
7.0.50.0030.04017.84
7.0.40.0000.05020.25
7.0.30.0370.04320.20
7.0.20.0270.03320.26
7.0.10.0100.06020.07
7.0.00.0000.05020.23
5.6.280.0100.06721.04
5.6.210.0070.08020.64
5.6.200.0030.06018.18
5.6.190.0030.04320.50
5.6.180.0230.04020.77
5.6.170.0130.04320.41
5.6.160.0070.03720.46
5.6.150.0130.05318.15
5.6.140.0070.03718.18
5.6.130.0030.04018.29
5.6.120.0030.04321.15
5.6.110.0170.07721.01
5.6.100.0070.07720.94
5.6.90.0130.07720.98
5.6.80.0100.06320.53
5.6.70.4630.03720.48
5.5.350.0130.03320.53
5.5.340.0000.05318.09
5.5.330.0070.07720.42
5.5.320.0270.04720.20
5.5.310.0270.07020.27
5.5.300.0070.03317.92
5.5.290.0070.08018.00
5.5.280.0070.08320.66
5.5.270.0100.06720.79
5.5.260.0070.08320.87
5.5.250.0100.07320.54
5.5.240.0230.06320.27
5.4.450.0200.07319.40
5.4.440.0200.03719.30
5.4.430.0100.03319.40
5.4.420.0030.05319.48
5.4.410.0100.06719.34
5.4.400.0070.07718.99
5.4.390.0100.07318.87
5.4.380.0100.06019.20
5.4.370.0070.06319.25
5.4.360.0000.07719.24
5.4.350.0070.05718.98
5.4.340.0130.06719.25
5.4.320.0030.05018.92
5.4.310.0030.05018.87
5.4.300.0100.07319.00
5.4.290.0230.06318.84
5.4.280.0170.06719.24
5.4.270.0030.08019.24
5.4.260.0000.08019.14
5.4.250.0030.05719.11
5.4.240.0070.08319.14
5.4.230.0000.08019.23
5.4.220.0130.06718.96
5.4.210.0000.06018.97
5.4.200.0070.07019.24
5.4.190.0030.05019.23
5.4.180.0070.07319.11
5.4.170.0070.07718.99
5.4.160.0030.04318.99
5.4.150.0070.03718.90
5.4.140.0070.03316.24
5.4.130.0070.07016.50
5.4.120.0030.04316.36
5.4.110.0030.04016.39
5.4.100.0100.03016.39
5.4.90.0030.03716.38
5.4.80.0030.03716.38
5.4.70.0000.03716.29
5.4.60.0000.03716.28
5.4.50.0100.02716.43
5.4.40.0000.03716.40
5.4.30.0030.03316.50
5.4.20.0030.03716.50
5.4.10.0070.03716.43
5.4.00.0030.04015.86
5.3.290.0030.06014.56
5.3.280.0130.07014.52
5.3.270.0100.07314.53
5.3.260.0130.07014.54
5.3.250.0100.06714.55
5.3.240.0030.04714.53
5.3.230.0030.06714.48
5.3.220.0100.07014.49
5.3.210.0100.04714.36
5.3.200.0070.04314.44
5.3.190.0070.03714.39
5.3.180.0030.03714.46
5.3.170.0030.04014.54
5.3.160.0030.03714.58
5.3.150.0000.03714.53
5.3.140.0000.04014.48
5.3.130.0100.03014.34
5.3.120.0070.03314.45
5.3.110.0000.04014.47
5.3.100.0070.03013.97
5.3.90.0030.03314.04
5.3.80.0030.03314.03
5.3.70.0070.03713.80
5.3.60.0000.03713.98
5.3.50.0000.03713.87
5.3.40.0030.03314.03
5.3.30.0000.03713.88
5.3.20.0000.03713.51
5.3.10.0070.03013.61
5.3.00.0070.03013.56
5.2.170.0000.03311.23
5.2.160.0000.03711.09
5.2.150.0070.02311.13
5.2.140.0000.03311.08
5.2.130.0070.02310.92
5.2.120.0070.03010.97
5.2.110.0070.02311.18
5.2.100.0030.02711.07
5.2.90.0000.03011.04
5.2.80.0000.03011.00
5.2.70.0000.03011.08
5.2.60.0070.02311.03
5.2.50.0030.02711.02
5.2.40.0030.04311.01
5.2.30.0000.03010.96
5.2.20.0000.03010.78
5.2.10.0030.02710.86
5.2.00.0070.02310.72
5.1.60.0070.02310.00
5.1.50.0000.02710.01
5.1.40.0000.0239.99
5.1.30.0030.02310.22
5.1.20.0000.02710.23
5.1.10.0070.02310.01
5.1.00.0030.03010.02
5.0.50.0000.0208.61
5.0.40.0000.0208.56
5.0.30.0030.0438.56
5.0.20.0000.0308.56
5.0.10.0000.0238.56
5.0.00.0000.0378.56
4.4.90.0000.0178.56
4.4.80.0030.0138.56
4.4.70.0070.0108.56
4.4.60.0030.0138.56
4.4.50.0030.0138.56
4.4.40.0000.0278.56
4.4.30.0000.0208.56
4.4.20.0070.0108.56
4.4.10.0030.0138.56
4.4.00.0000.0278.56
4.3.110.0000.0208.56
4.3.100.0100.0178.56
4.3.90.0000.0178.56
4.3.80.0000.0608.56
4.3.70.0030.0238.56
4.3.60.0030.0238.56
4.3.50.0000.0338.56
4.3.40.0030.0338.56
4.3.30.0000.0238.56
4.3.20.0070.0338.56
4.3.10.0000.0338.56
4.3.00.0030.0138.56

preferences:
51.94 ms | 401 KiB | 5 Q