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){ echo $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)
8.3.60.0060.01218.53
8.3.50.0160.00321.14
8.3.40.0120.00318.89
8.3.30.0140.00018.93
8.3.20.0080.00020.34
8.3.10.0020.00522.05
8.3.00.0080.00022.57
8.2.180.0080.00818.54
8.2.170.0070.01022.96
8.2.160.0140.00020.30
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0100.00326.16
8.2.120.0090.00019.66
8.2.110.0030.00622.07
8.2.100.0090.00319.44
8.2.90.0080.00019.24
8.2.80.0030.00518.05
8.2.70.0040.00417.75
8.2.60.0000.00817.80
8.2.50.0040.00718.07
8.2.40.0000.00818.09
8.2.30.0000.00818.07
8.2.20.0000.00717.78
8.2.10.0000.00717.82
8.2.00.0040.00417.84
8.1.280.0140.00725.92
8.1.270.0030.00620.39
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.70
8.1.230.0070.00419.16
8.1.220.0030.00917.79
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0030.00617.51
8.1.180.0040.00418.70
8.1.170.0060.00318.65
8.1.160.0030.00322.21
8.1.150.0040.00418.63
8.1.140.0000.00717.46
8.1.130.0000.00717.85
8.1.120.0000.00717.38
8.1.110.0070.00017.35
8.1.100.0000.00717.44
8.1.90.0040.00417.45
8.1.80.0000.00717.47
8.1.70.0030.00317.36
8.1.60.0000.00817.62
8.1.50.0000.00717.53
8.1.40.0000.00817.40
8.1.30.0040.00417.54
8.1.20.0000.00817.66
8.1.10.0000.00917.58
8.1.00.0070.00017.31
8.0.300.0000.00718.77
8.0.290.0070.00017.18
8.0.280.0000.00718.32
8.0.270.0030.00317.31
8.0.260.0030.00616.93
8.0.250.0000.00717.04
8.0.240.0030.00516.90
8.0.230.0000.00717.04
8.0.220.0030.00316.97
8.0.210.0030.00316.90
8.0.200.0000.00617.04
8.0.190.0040.00416.91
8.0.180.0060.00317.02
8.0.170.0040.00416.97
8.0.160.0070.00017.00
8.0.150.0110.00016.92
8.0.140.0040.00416.80
8.0.130.0050.00013.38
8.0.120.0000.00716.99
8.0.110.0040.00416.93
8.0.100.0030.00516.78
8.0.90.0000.00817.06
8.0.80.0030.01316.93
8.0.70.0040.00416.84
8.0.60.0000.00716.85
8.0.50.0000.00716.83
8.0.30.0100.00917.17
8.0.20.0100.01317.40
8.0.10.0000.00716.96
8.0.00.0140.00916.67
7.4.330.0040.00415.00
7.4.320.0030.00316.51
7.4.300.0060.00016.46
7.4.290.0070.00016.51
7.4.280.0030.00316.49
7.4.270.0070.00016.50
7.4.260.0070.00016.39
7.4.250.0070.00016.36
7.4.240.0050.00216.60
7.4.230.0070.00016.30
7.4.220.0070.02016.63
7.4.210.0090.00716.59
7.4.200.0030.00316.33
7.4.190.0020.00516.50
7.4.160.0090.00616.58
7.4.150.0120.01217.40
7.4.140.0060.01217.86
7.4.130.0140.00316.54
7.4.120.0080.01016.51
7.4.110.0030.01416.45
7.4.100.0060.01316.52
7.4.90.0070.01016.53
7.4.80.0110.01119.39
7.4.70.0110.00716.55
7.4.60.0060.01216.54
7.4.50.0040.00416.12
7.4.40.0070.00722.77
7.4.30.0000.01516.52
7.4.00.0040.01114.79
7.3.330.0000.00513.16
7.3.320.0030.00313.38
7.3.310.0000.00716.38
7.3.300.0030.00316.31
7.3.290.0040.01116.32
7.3.280.0060.00916.28
7.3.270.0060.01217.40
7.3.260.0110.00616.34
7.3.250.0130.00716.34
7.3.240.0060.01516.36
7.3.230.0140.00716.39
7.3.210.0040.01416.43
7.3.200.0070.01519.39
7.3.190.0090.01316.39
7.3.180.0060.00916.55
7.3.170.0170.00016.39
7.3.160.0040.01216.36
7.3.120.0030.01014.52
7.3.10.0040.01416.73
7.3.00.0100.00316.64
7.2.330.0120.00616.45
7.2.320.0170.00716.78
7.2.310.0130.00316.40
7.2.300.0090.00616.58
7.2.290.0060.00916.72
7.2.130.0030.01316.89
7.2.120.0080.00416.98
7.2.110.0040.00916.99
7.2.100.0000.01116.81
7.2.90.0030.01016.73
7.2.80.0050.00816.84
7.2.70.0120.00317.04
7.2.60.0090.00916.88
7.2.50.0070.01017.02
7.2.40.0160.00016.70
7.2.30.0070.00316.97
7.2.20.0070.01117.00
7.2.10.0160.01616.89
7.2.00.0000.01216.88
7.1.250.0120.00315.82
7.1.200.0170.00315.86
7.1.70.0040.01117.03
7.1.60.0100.01419.82
7.1.50.0080.00417.05
7.1.00.0030.05022.27
7.0.200.0080.00016.74
7.0.140.0030.07322.15
7.0.60.0070.07719.93
7.0.50.0030.04017.86
7.0.40.0130.08020.30
7.0.30.0430.06020.15
7.0.20.0170.04320.20
7.0.10.0270.08020.20
7.0.00.0070.08720.06
5.6.280.0000.07720.87
5.6.210.0100.04720.70
5.6.200.0130.06718.16
5.6.190.0030.09320.61
5.6.180.3170.05020.50
5.6.170.0300.08320.45
5.6.160.0070.05020.50
5.6.150.0100.06718.23
5.6.140.0130.07318.20
5.6.130.0170.07318.20
5.6.120.0100.06320.99
5.6.110.0200.06721.00
5.6.100.0100.07720.97
5.6.90.0170.06021.02
5.6.80.0030.08020.39
5.6.70.0300.07020.35
5.5.350.0270.07020.50
5.5.340.0130.07017.98
5.5.330.0100.06720.47
5.5.320.0230.04020.29
5.5.310.0530.06720.28
5.5.300.0130.05718.01
5.5.290.0070.05318.05
5.5.280.0030.04320.74
5.5.270.0070.04720.64
5.5.260.0100.07720.65
5.5.250.0030.04020.58
5.5.240.0000.04020.24
5.4.450.0730.06019.31
5.4.440.0830.06319.38
5.4.430.0770.06319.62
5.4.420.0130.05019.45
5.4.410.0600.06319.07
5.4.400.0670.06018.61
5.4.390.0400.05318.74
5.4.380.0230.05718.74
5.4.370.0170.05018.73
5.4.360.0300.03718.61
5.4.350.0040.05112.02
5.4.340.0090.04112.02
5.4.320.0040.04312.50
5.4.310.0070.04212.50
5.4.300.0080.04412.50
5.4.290.0030.04212.49
5.4.280.0070.05312.39
5.4.270.0060.05212.39
5.4.260.0070.03612.40
5.4.250.0170.05318.75
5.4.240.0070.05018.71
5.4.230.0030.05318.84
5.4.220.0130.05018.67
5.4.210.0170.04318.95
5.4.200.0130.05018.76
5.4.190.0100.06718.74
5.4.180.0030.05318.84
5.4.170.0170.05018.73
5.4.160.0170.04718.87
5.4.150.0070.06018.83
5.4.140.0070.05316.33
5.4.130.0000.05316.36
5.4.120.0030.05016.58
5.4.110.0030.05716.27
5.4.100.0070.07016.50
5.4.90.0030.05316.43
5.4.80.0000.05316.52
5.4.70.0030.05316.42
5.4.60.0130.05016.41
5.4.50.0070.04716.45
5.4.40.0170.06716.59
5.4.30.0130.04016.32
5.4.20.0100.04316.41
5.4.10.0070.05016.51
5.4.00.0070.06715.99
5.3.290.0070.04312.80
5.3.280.0100.05314.51
5.3.270.0070.05314.63
5.3.260.0130.04714.60
5.3.250.0070.05014.46
5.3.240.0100.04714.62
5.3.230.0070.05314.45
5.3.220.0000.05314.58
5.3.210.0030.05714.57
5.3.200.0130.04314.45
5.3.190.0130.04714.42
5.3.180.0130.04314.42
5.3.170.0130.07014.57
5.3.160.0130.04314.26
5.3.150.0070.05014.33
5.3.140.0030.05314.61
5.3.130.0070.05314.40
5.3.120.0100.05014.70
5.3.110.0030.05714.70
5.3.100.0070.05014.10
5.3.90.0130.04314.01
5.3.80.0070.04713.96
5.3.70.0030.05313.96
5.3.60.0070.05013.95
5.3.50.0100.05013.82
5.3.40.0070.05313.96
5.3.30.0070.04713.85
5.3.20.0070.05013.59
5.3.10.0030.05313.70
5.3.00.0130.05013.80
5.2.170.0030.04711.15
5.2.160.0070.04011.07
5.2.150.0100.03711.04
5.2.140.0030.04311.23
5.2.130.0000.04311.19
5.2.120.0000.05311.25
5.2.110.0070.03711.11
5.2.100.0030.04011.09
5.2.90.0100.03711.11
5.2.80.0070.04011.09
5.2.70.0070.04010.85
5.2.60.0000.04310.81
5.2.50.0000.04711.18
5.2.40.0030.04310.93
5.2.30.0030.04310.73
5.2.20.0070.03710.96
5.2.10.0030.04010.94
5.2.00.0030.04010.79
5.1.60.0000.03710.05
5.1.50.0070.0339.84
5.1.40.0000.0379.95
5.1.30.0030.04310.23
5.1.20.0000.04010.11
5.1.10.0030.05310.30
5.1.00.0030.03310.21
5.0.50.0030.0278.64
5.0.40.0070.0238.46
5.0.30.0070.0408.18
5.0.20.0030.0278.11
5.0.10.0070.0278.13
5.0.00.0000.0608.14
4.4.90.0030.0276.90
4.4.80.0030.0206.90
4.4.70.0000.0236.90
4.4.60.0030.0206.90
4.4.50.0030.0236.90
4.4.40.0000.0436.90
4.4.30.0030.0206.90
4.4.20.0100.0176.90
4.4.10.0000.0236.90
4.4.00.0030.0376.90
4.3.110.0000.0236.90
4.3.100.0000.0276.90
4.3.90.0030.0276.90
4.3.80.0000.0376.90
4.3.70.0070.0176.90
4.3.60.0000.0236.90
4.3.50.0000.0336.90
4.3.40.0030.0336.90
4.3.30.0000.0236.90
4.3.20.0000.0236.90
4.3.10.0000.0206.90
4.3.00.0000.0306.94

preferences:
51.32 ms | 401 KiB | 5 Q