3v4l.org

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

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)
8.3.60.0070.01418.56
8.3.50.0120.00416.61
8.3.40.0090.00618.46
8.3.30.0140.00319.09
8.3.20.0080.00020.34
8.3.10.0070.00022.14
8.3.00.0040.00422.34
8.2.180.0000.01518.29
8.2.170.0070.00722.96
8.2.160.0070.00720.51
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.77
8.2.110.0130.00322.26
8.2.100.0060.00619.21
8.2.90.0000.00819.34
8.2.80.0060.00617.97
8.2.70.0000.00917.50
8.2.60.0030.00517.93
8.2.50.0030.00718.07
8.2.40.0000.00818.34
8.2.30.0000.00818.06
8.2.20.0040.00417.72
8.2.10.0080.00017.79
8.2.00.0040.00417.61
8.1.270.0040.00420.39
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0100.00023.95
8.1.230.0080.00419.07
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0080.00417.35
8.1.190.0040.00417.63
8.1.180.0030.00518.72
8.1.170.0000.00818.62
8.1.160.0000.00722.14
8.1.150.0070.00018.61
8.1.140.0040.00417.45
8.1.130.0000.00717.86
8.1.120.0000.00817.37
8.1.110.0070.00017.41
8.1.100.0000.00717.47
8.1.90.0040.00417.38
8.1.80.0080.00017.45
8.1.70.0030.00317.35
8.1.60.0030.00617.58
8.1.50.0040.00417.43
8.1.40.0030.00517.43
8.1.30.0030.00517.58
8.1.20.0030.00617.66
8.1.10.0030.00717.53
8.1.00.0000.00817.46
8.0.300.0000.00818.77
8.0.290.0040.00417.18
8.0.280.0000.00718.50
8.0.270.0030.00317.27
8.0.260.0030.00316.88
8.0.250.0030.00316.84
8.0.240.0000.00816.82
8.0.230.0040.00416.95
8.0.220.0080.00016.86
8.0.210.0000.00716.76
8.0.200.0060.00016.86
8.0.190.0000.00716.92
8.0.180.0040.00716.80
8.0.170.0030.00616.89
8.0.160.0050.00216.94
8.0.150.0030.00316.96
8.0.140.0080.00016.75
8.0.130.0030.00313.36
8.0.120.0070.00016.87
8.0.110.0040.00416.79
8.0.100.0000.00716.90
8.0.90.0000.00816.74
8.0.80.0090.00616.84
8.0.70.0000.00716.73
8.0.60.0000.00716.84
8.0.50.0070.00016.79
8.0.30.0120.00917.14
8.0.20.0120.00617.40
8.0.10.0040.00416.88
8.0.00.0120.00616.74
7.4.330.0000.00715.00
7.4.320.0000.00616.62
7.4.300.0000.00616.40
7.4.290.0030.00316.59
7.4.280.0040.00416.38
7.4.270.0000.00616.54
7.4.260.0000.01116.49
7.4.250.0040.00416.41
7.4.240.0030.00416.52
7.4.230.0000.00616.31
7.4.220.0030.01516.61
7.4.210.0070.00816.56
7.4.200.0000.00716.55
7.4.190.0070.00016.70
7.4.160.0080.00816.28
7.4.150.0140.00317.40
7.4.140.0130.00517.86
7.4.130.0110.00616.61
7.4.120.0080.00916.48
7.4.110.0100.00716.61
7.4.100.0110.00816.42
7.4.90.0150.00316.59
7.4.80.0120.00619.39
7.4.70.0130.01016.34
7.4.60.0080.01216.47
7.4.50.0000.00816.23
7.4.40.0090.00622.77
7.4.30.0130.00316.50
7.4.00.0030.00614.89
7.3.330.0000.00513.33
7.3.320.0000.00813.15
7.3.310.0060.00016.21
7.3.300.0060.00016.34
7.3.290.0090.00616.23
7.3.280.0060.01116.30
7.3.270.0110.00617.40
7.3.260.0090.00916.35
7.3.250.0100.00716.60
7.3.240.0150.00316.29
7.3.230.0110.01116.39
7.3.210.0140.00716.43
7.3.200.0140.00319.39
7.3.190.0030.01416.29
7.3.180.0040.01616.32
7.3.170.0050.01116.54
7.3.160.0100.00716.32
7.3.120.0030.01314.68
7.2.330.0070.01016.57
7.2.320.0160.00916.66
7.2.310.0100.00616.66
7.2.300.0120.00316.51
7.2.290.0080.00816.42
7.2.00.0140.00719.36
7.1.200.0120.00015.54
7.1.100.0120.00618.08
7.1.70.0030.00516.80
7.1.60.0170.00719.82
7.1.50.0030.00916.72
7.1.00.0030.06022.36
7.0.200.0000.00816.41
7.0.140.0030.07322.09
7.0.60.0070.06719.92
7.0.50.0030.05717.86
7.0.40.0100.05020.23
7.0.30.0300.04720.27
7.0.20.0170.04720.26
7.0.10.0070.08320.33
7.0.00.0070.04020.07
5.6.280.0070.07020.90
5.6.210.0030.06320.50
5.6.200.0070.03718.16
5.6.190.0000.09020.33
5.6.180.0230.03720.42
5.6.170.0330.08020.54
5.6.160.0030.04020.48
5.6.150.0030.05718.18
5.6.140.0070.03718.25
5.6.130.0030.07318.17
5.6.120.0100.07721.08
5.6.110.0030.05020.94
5.6.100.0030.04021.11
5.6.90.0100.04720.99
5.6.80.0100.07020.29
5.6.70.4100.03720.37
5.5.350.0130.07320.43
5.5.340.0070.07718.02
5.5.330.0030.04020.47
5.5.320.0370.07020.35
5.5.310.0270.06720.19
5.5.300.0100.05017.95
5.5.290.0070.07017.97
5.5.280.0100.07320.85
5.5.270.0070.08320.71
5.5.260.0070.08320.89
5.5.250.0070.05720.46
5.5.240.0030.03720.28
5.4.450.0030.06319.48
5.4.440.0830.04719.47
5.4.430.0700.05719.47
5.4.420.0030.06019.58
5.4.410.0730.05319.48
5.4.400.0430.07018.83
5.4.390.0430.04718.70
5.4.380.0230.05718.70
5.4.370.0230.04018.76
5.4.360.0100.05318.62
5.4.350.0110.03912.02
5.4.340.0080.03512.02
5.4.320.0060.04412.51
5.4.310.0070.03712.50
5.4.300.0060.03912.50
5.4.290.0060.05112.50
5.4.280.0070.04112.39
5.4.270.0120.04612.39
5.4.260.0070.03612.39
5.4.250.0130.04718.95
5.4.240.0070.05319.01
5.4.230.0200.04018.95
5.4.220.0100.05018.93
5.4.210.0070.05018.73
5.4.200.0100.05018.88
5.4.190.0170.04018.73
5.4.180.0100.07018.73
5.4.170.0100.05318.73
5.4.160.0130.04318.72
5.4.150.0070.05718.82
5.4.140.0030.07716.33
5.4.130.0000.05016.51
5.4.120.0030.06016.39
5.4.110.0070.06016.30
5.4.100.0070.04716.47
5.4.90.0070.04716.48
5.4.80.0030.05016.29
5.4.70.0000.08016.45
5.4.60.0030.07716.44
5.4.50.0100.04316.53
5.4.40.0030.05016.36
5.4.30.0100.04716.32
5.4.20.0070.04716.37
5.4.10.0130.04316.44
5.4.00.0070.04715.83
5.3.290.0070.04712.80
5.3.280.0070.05014.51
5.3.270.0100.05014.30
5.3.260.0070.05014.62
5.3.250.0070.04714.60
5.3.240.0070.05014.63
5.3.230.0170.03714.65
5.3.220.0030.05314.58
5.3.210.0070.05014.29
5.3.200.0070.04714.72
5.3.190.0030.05314.36
5.3.180.0100.04714.27
5.3.170.0030.05014.45
5.3.160.0030.05014.26
5.3.150.0030.07014.57
5.3.140.0100.04314.57
5.3.130.0100.04714.41
5.3.120.0170.04014.56
5.3.110.0030.05714.43
5.3.100.0000.05713.81
5.3.90.0130.05314.04
5.3.80.0030.05714.11
5.3.70.0030.05314.03
5.3.60.0130.04013.77
5.3.50.0000.05713.79
5.3.40.0000.05713.96
5.3.30.0030.05013.75
5.3.20.0100.04313.70
5.3.10.0070.04713.52
5.3.00.0030.06013.66
5.2.170.0030.04011.29
5.2.160.0000.04711.13
5.2.150.0070.04011.29
5.2.140.0070.04011.25
5.2.130.0070.03711.03
5.2.120.0070.03311.09
5.2.110.0030.05011.11
5.2.100.0070.03711.11
5.2.90.0000.04311.10
5.2.80.0030.04311.00
5.2.70.0030.04310.86
5.2.60.0070.04711.05
5.2.50.0030.04311.03
5.2.40.0030.04010.88
5.2.30.0030.04310.99
5.2.20.0030.04310.84
5.2.10.0070.03710.62
5.2.00.0100.03310.88
5.1.60.0000.0379.92
5.1.50.0100.02710.22
5.1.40.0100.03310.17
5.1.30.0130.04010.41
5.1.20.0100.03310.41
5.1.10.0030.03710.02
5.1.00.0030.03710.02
5.0.50.0030.0278.63
5.0.40.0070.0238.60
5.0.30.0070.0438.48
5.0.20.0070.0308.17
5.0.10.0000.0308.15
5.0.00.0030.0408.19
4.4.90.0000.0236.17
4.4.80.0000.0236.17
4.4.70.0100.0176.17
4.4.60.0070.0176.17
4.4.50.0000.0236.17
4.4.40.0000.0376.17
4.4.30.0000.0236.17
4.4.20.0000.0236.17
4.4.10.0070.0206.17
4.4.00.0000.0336.17
4.3.110.0100.0136.17
4.3.100.0000.0236.17
4.3.90.0030.0206.17
4.3.80.0030.0306.17
4.3.70.0030.0336.17
4.3.60.0030.0176.17
4.3.50.0070.0176.17
4.3.40.0070.0276.17
4.3.30.0000.0336.17
4.3.20.0000.0236.17
4.3.10.0030.0206.17
4.3.00.0170.0236.95

preferences:
53.43 ms | 400 KiB | 5 Q