3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [['number'=>777]]; $b = []; for ($i = 0; $i < 50; ++$i) { //$b += $a; $b = array_merge($a, $b); $b[$i]['number'] = $i; } array_walk($b, function($val, $key) { echo '$b[' . $key . ']["number"] = ' . $val['number'] . PHP_EOL; });

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)
8.3.60.0140.00718.43
8.3.50.0070.01221.26
8.3.40.0110.00418.84
8.3.30.0040.01120.17
8.3.20.0120.00319.97
8.3.10.0050.00321.21
8.3.00.0000.00822.45
8.2.180.0110.00416.75
8.2.170.0110.00422.96
8.2.160.0100.00322.25
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00420.63
8.2.110.0080.00019.39
8.2.100.0040.00817.97
8.2.90.0000.00819.26
8.2.80.0050.00318.05
8.2.70.0050.00317.50
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0030.00618.34
8.2.30.0040.00419.32
8.2.20.0000.00817.73
8.2.10.0000.00817.80
8.2.00.0050.00217.69
8.1.280.0130.00425.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00022.59
8.1.230.0040.00720.84
8.1.220.0000.00818.77
8.1.210.0030.00620.87
8.1.200.0070.00317.35
8.1.190.0060.00317.52
8.1.180.0080.00018.10
8.1.170.0040.00418.46
8.1.160.0030.00518.85
8.1.150.0040.00418.53
8.1.140.0040.00417.38
8.1.130.0000.00717.84
8.1.120.0040.00417.46
8.1.110.0040.00417.37
8.1.100.0070.00017.43
8.1.90.0000.00717.38
8.1.80.0030.00517.47
8.1.70.0030.00317.48
8.1.60.0060.00317.54
8.1.50.0050.00217.52
8.1.40.0070.00017.42
8.1.30.0050.00317.65
8.1.20.0000.00817.70
8.1.10.0050.00217.64
8.1.00.0040.00417.38
8.0.300.0000.00919.98
8.0.290.0050.00317.18
8.0.280.0040.00418.36
8.0.270.0030.00317.28
8.0.260.0000.00716.87
8.0.250.0050.00216.86
8.0.240.0000.00816.86
8.0.230.0000.00716.96
8.0.220.0040.00416.89
8.0.210.0000.00716.78
8.0.200.0000.00816.98
8.0.190.0000.00816.95
8.0.180.0030.00516.89
8.0.170.0030.00416.94
8.0.160.0000.00716.83
8.0.150.0080.00016.95
8.0.140.0070.00016.81
8.0.130.0050.00013.34
8.0.120.0000.00916.75
8.0.110.0040.00416.87
8.0.100.0000.00716.75
8.0.90.0040.00416.77
8.0.80.0030.01716.83
8.0.70.0000.00716.79
8.0.60.0040.00416.93
8.0.50.0000.00716.96
8.0.30.0090.01116.88
8.0.20.0120.00917.40
8.0.10.0060.00316.98
8.0.00.0110.01116.82
7.4.330.0000.00616.79
7.4.320.0000.00616.44
7.4.300.0000.00616.66
7.4.290.0030.00316.51
7.4.280.0030.00316.61
7.4.270.0040.00416.63
7.4.260.0030.00313.29
7.4.250.0040.00416.39
7.4.240.0070.00016.42
7.4.230.0000.00716.52
7.4.220.0160.00316.57
7.4.210.0070.00716.57
7.4.200.0000.00716.26
7.4.190.0000.00716.77
7.4.160.0100.00616.57
7.4.150.0070.01017.40
7.4.140.0120.00517.86
7.4.130.0120.01016.57
7.4.120.0130.00516.49
7.4.110.0090.00916.50
7.4.100.0070.01016.58
7.4.90.0090.00916.43
7.4.80.0130.00319.39
7.4.70.0030.01316.49
7.4.60.0060.01016.44
7.4.50.0000.00816.51
7.4.40.0060.01222.77
7.4.30.0090.00616.49
7.4.00.0050.01215.10
7.3.330.0000.00513.21
7.3.320.0050.00013.37
7.3.310.0070.00016.36
7.3.300.0030.00316.29
7.3.290.0110.00316.39
7.3.280.0110.00516.36
7.3.270.0070.01417.40
7.3.260.0180.00718.24
7.3.250.0100.00816.37
7.3.240.0060.01016.64
7.3.230.0120.00616.64
7.3.210.0100.00616.37
7.3.200.0060.01319.39
7.3.190.0110.00716.58
7.3.180.0030.01616.68
7.3.170.0090.00616.50
7.3.160.0060.01216.63
7.3.120.0070.01015.00
7.3.110.0110.00714.71
7.3.100.0110.00415.15
7.3.90.0090.00614.61
7.3.80.0060.00814.69
7.3.70.0070.01014.96
7.3.60.0100.00614.87
7.3.50.0040.01114.92
7.3.40.0070.00714.68
7.3.30.0050.00514.89
7.3.20.0060.00616.68
7.3.10.0140.00916.39
7.3.00.0100.00916.41
7.2.330.0160.00316.45
7.2.320.0080.01116.82
7.2.310.0040.01916.76
7.2.300.0060.01016.58
7.2.290.0090.00916.46
7.2.250.0060.01214.91
7.2.240.0130.00615.16
7.2.230.0030.01315.30
7.2.220.0150.00014.86
7.2.210.0040.00715.38
7.2.200.0000.01814.81
7.2.190.0060.00315.23
7.2.180.0150.00414.74
7.2.170.0100.00715.23
7.2.130.0070.00716.94
7.2.120.0050.00416.72
7.2.110.0100.00216.86
7.2.100.0060.00716.92
7.2.90.0030.00616.92
7.2.80.0080.00516.86
7.2.70.0070.00816.58
7.2.60.0050.00616.78
7.2.50.0080.00616.53
7.2.40.0050.01016.99
7.2.30.0040.00916.69
7.2.20.0070.00716.79
7.2.10.0070.00717.06
7.2.00.0030.00817.59
7.1.330.0110.00415.98
7.1.320.0090.00616.02
7.1.310.0060.00616.06
7.1.300.0030.00615.77
7.1.290.0040.01515.74
7.1.280.0120.00615.91
7.1.270.0040.00715.57
7.1.260.0030.01215.90
7.1.250.0030.01015.84
7.1.100.0190.00617.54
7.1.70.0060.00616.83
7.1.60.0000.01919.17
7.1.50.0030.00917.05
7.1.00.0000.03722.57
7.0.200.0040.00416.69
7.0.140.0000.07722.00
7.0.100.0200.06019.86
7.0.90.0030.04719.96
7.0.80.0200.03319.92
7.0.70.0000.04720.09
7.0.60.0100.04319.82
7.0.50.0000.04320.21
7.0.40.0000.04720.05
7.0.30.0000.04320.04
7.0.20.0000.04720.06
7.0.10.0070.04320.01
7.0.00.0000.04720.01
5.6.280.0000.07721.10
5.6.250.0030.09320.68
5.6.240.0030.04320.68
5.6.230.0100.05020.64
5.6.220.0000.04720.45
5.6.210.0000.04320.60
5.6.200.0000.04720.93
5.6.190.0030.04020.92
5.6.180.0000.04721.00
5.6.170.0000.04320.92
5.6.160.0070.04020.90
5.6.150.0100.03720.92
5.6.140.0000.05020.90
5.6.130.0100.06021.13
5.6.120.0030.04721.00
5.6.110.0070.04721.05
5.6.100.0070.04021.00
5.6.90.0030.04321.05
5.6.80.0100.03720.43
5.6.70.0030.04020.45
5.6.60.0070.04020.38
5.6.50.0030.04020.43
5.6.40.0070.05020.37
5.6.30.0130.02720.44
5.6.20.0070.08020.26
5.6.10.0070.04320.40
5.6.00.0030.08320.35
5.5.380.0070.04320.31
5.5.370.0170.03320.36
5.5.360.0030.04320.40
5.5.350.0030.04320.39
5.5.340.0000.04320.76
5.5.330.0000.04320.77
5.5.320.0070.04020.79
5.5.310.0130.05020.60
5.5.300.0100.07020.82
5.5.290.0070.04020.84
5.5.280.0030.04320.77
5.5.270.0100.03720.79
5.5.260.0100.03720.87
5.5.250.0030.03720.66
5.5.240.0030.04020.21
5.5.230.0000.04720.24
5.5.220.0070.03720.21
5.5.210.0000.06720.12
5.5.200.0000.04320.07
5.5.190.0030.05320.07
5.5.180.0100.03320.07
5.5.160.0030.07320.11
5.5.150.0100.07319.95
5.5.140.0000.05019.95
5.5.130.0000.09319.94
5.5.120.0070.04020.21
5.5.110.0030.07020.18
5.5.100.0070.07019.98
5.5.90.0170.06319.97
5.5.80.0030.06019.86
5.5.70.0100.07020.05
5.5.60.0100.05320.06
5.5.50.0200.06720.01
5.5.40.0130.07020.11
5.5.30.0100.07319.96
5.5.20.0070.07320.09
5.5.10.0070.07719.89
5.5.00.0130.07019.98
5.4.450.0030.04319.36
5.4.440.0070.03319.21
5.4.430.0070.03719.53
5.4.420.0100.03319.17
5.4.410.0030.03319.36
5.4.400.0100.03319.05
5.4.390.0030.03718.90
5.4.380.0070.03019.13
5.4.370.0030.03318.91
5.4.360.0000.04018.91
5.4.350.0030.03318.88
5.4.340.0100.04318.89
5.4.320.0130.06019.10
5.4.310.0070.08019.12
5.4.300.0070.07719.05
5.4.290.0070.06319.19
5.4.280.0070.06719.16
5.4.270.0070.06019.04
5.4.260.0030.07719.18
5.4.250.0070.08018.87
5.4.240.0130.06319.21
5.4.230.0070.06319.13
5.4.220.0030.08019.14
5.4.210.0100.04719.22
5.4.200.0100.07319.16
5.4.190.0100.05019.11
5.4.180.0070.08019.23
5.4.170.0130.06019.11
5.4.160.0070.07719.07
5.4.150.0100.07719.14
5.4.140.0030.04316.39
5.4.130.0100.07016.36
5.4.120.0070.07716.16
5.4.110.0030.07316.50
5.4.100.0100.07316.42
5.4.90.0100.06716.39
5.4.80.0030.07316.40
5.4.70.0000.06016.46
5.4.60.0100.07016.42
5.4.50.0130.07316.44
5.4.40.0030.08016.39
5.4.30.0070.05316.31
5.4.20.0070.05716.44
5.4.10.0030.07316.48
5.4.00.0100.07015.84
5.3.290.0000.07014.63
5.3.280.0100.06014.57
5.3.270.0070.07714.52
5.3.260.0070.07314.61
5.3.250.0030.04314.55
5.3.240.0070.08014.60
5.3.230.0170.06314.46
5.3.220.0070.08014.43
5.3.210.0100.07314.48
5.3.200.0070.07314.56
5.3.190.0100.07314.41
5.3.180.0070.06314.50
5.3.170.0030.05314.41
5.3.160.0130.04014.56
5.3.150.0070.06714.53
5.3.140.0100.04014.42
5.3.130.0130.07014.41
5.3.120.0070.05714.54
5.3.110.0270.06314.46
5.3.100.0030.07314.04
5.3.90.0170.06013.90
5.3.80.0070.07313.97
5.3.70.0230.05713.88
5.3.60.0100.06713.88
5.3.50.0070.07313.88
5.3.40.0100.06713.95
5.3.30.0070.07013.90
5.3.20.0070.07713.69
5.3.10.0100.06313.44
5.3.00.0170.06313.59
5.2.170.0170.05312.17
5.2.160.0130.06012.17
5.2.150.0000.03712.17
5.2.140.0100.05312.17
5.2.130.0100.05712.17
5.2.120.0070.04012.17
5.2.110.0070.06012.17
5.2.100.0030.06712.17
5.2.90.0100.04712.17
5.2.80.0100.06012.17
5.2.70.0100.05312.17
5.2.60.0030.06012.17
5.2.50.0070.04012.17
5.2.40.0200.05012.17
5.2.30.0030.06312.17
5.2.20.0030.06012.17
5.2.10.0100.04712.17
5.2.00.0030.05312.17
5.1.60.0070.03312.17
5.1.50.0030.05312.17
5.1.40.0000.05312.17
5.1.30.0030.05312.17
5.1.20.0070.05712.17
5.1.10.0130.04712.17
5.1.00.0070.05312.17
5.0.50.0100.04012.17
5.0.40.0000.03312.17
5.0.30.0030.06312.17
5.0.20.0100.03712.17
5.0.10.0100.01712.17
5.0.00.0030.05312.17
4.4.90.0030.03312.17
4.4.80.0070.03012.17
4.4.70.0070.03312.17
4.4.60.0070.02312.17
4.4.50.0030.03712.17
4.4.40.0070.04312.17
4.4.30.0100.03012.17
4.4.20.0100.02712.17
4.4.10.0000.02712.17
4.4.00.0030.03312.17
4.3.110.0030.03012.17
4.3.100.0030.03312.17
4.3.90.0000.03712.17
4.3.80.0100.04712.17
4.3.70.0100.03012.17
4.3.60.0000.03312.17
4.3.50.0030.03312.17
4.3.40.0070.04012.17
4.3.30.0030.03312.17
4.3.20.0030.03312.17
4.3.10.0000.02312.17
4.3.00.0100.02712.17

preferences:
41.82 ms | 401 KiB | 5 Q