3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'a' => 1, 'b' => 2, 'c' => 3], [ 'a' => 4, 'b' => 5, 'c' => 6], [ 'a' => 7, 'b' => 8, 'c' => 9] ]; foreach ($array as &$val) { unset($val['a']); } foreach ($array as $key => $val) { echo $key . ' => ' . $val['b'] . ', ' . $val['c'] . 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)
8.3.60.0110.00718.26
8.3.50.0160.00521.26
8.3.40.0100.00318.77
8.3.30.0110.00420.21
8.3.20.0000.00820.36
8.3.10.0000.00820.94
8.3.00.0090.00022.39
8.2.180.0030.01216.60
8.2.170.0110.00422.96
8.2.160.0130.00320.57
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00021.05
8.2.110.0060.00319.37
8.2.100.0090.00317.78
8.2.90.0040.00419.30
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0000.00817.93
8.2.50.0050.00318.07
8.2.40.0050.00518.04
8.2.30.0040.00419.44
8.2.20.0070.00017.75
8.2.10.0000.00817.75
8.2.00.0030.00817.62
8.1.280.0120.00625.92
8.1.270.0050.00323.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00522.59
8.1.230.0040.00820.91
8.1.220.0040.00418.77
8.1.210.0090.00018.90
8.1.200.0130.00017.35
8.1.190.0000.00917.66
8.1.180.0000.00818.10
8.1.170.0000.00818.66
8.1.160.0000.00718.89
8.1.150.0000.00818.65
8.1.140.0070.00017.33
8.1.130.0000.00817.82
8.1.120.0070.00017.47
8.1.110.0070.00017.42
8.1.100.0050.00217.46
8.1.90.0040.00417.36
8.1.80.0040.00417.49
8.1.70.0030.00317.33
8.1.60.0030.00617.55
8.1.50.0070.00017.53
8.1.40.0000.00817.42
8.1.30.0030.00617.52
8.1.20.0040.00417.69
8.1.10.0030.00517.55
8.1.00.0050.00217.52
8.0.300.0040.00420.10
8.0.290.0040.00417.05
8.0.280.0080.00018.35
8.0.270.0050.00517.17
8.0.260.0050.00316.86
8.0.250.0000.01016.84
8.0.240.0050.00316.86
8.0.230.0040.00416.88
8.0.220.0040.00416.94
8.0.210.0030.00316.90
8.0.200.0030.00316.96
8.0.190.0040.00416.93
8.0.180.0000.00716.86
8.0.170.0080.00016.89
8.0.160.0000.00816.93
8.0.150.0070.00016.80
8.0.140.0050.00516.72
8.0.130.0030.00313.41
8.0.120.0060.00316.83
8.0.110.0040.00416.79
8.0.100.0080.00016.94
8.0.90.0000.00816.84
8.0.80.0060.00916.81
8.0.70.0020.00516.80
8.0.60.0030.00516.75
8.0.50.0040.00416.95
8.0.30.0140.00417.21
8.0.20.0080.01117.40
8.0.10.0000.00717.05
8.0.00.0110.00616.68
7.4.330.0020.00216.73
7.4.320.0030.00316.60
7.4.300.0030.00316.61
7.4.290.0030.00316.50
7.4.280.0040.00416.49
7.4.270.0030.00316.46
7.4.260.0030.00313.22
7.4.250.0000.00816.49
7.4.240.0040.00416.60
7.4.230.0000.00716.70
7.4.220.0070.01716.39
7.4.210.0100.00716.58
7.4.200.0030.00316.66
7.4.190.0000.00716.77
7.4.160.0070.01016.50
7.4.150.0200.00317.40
7.4.140.0090.01017.86
7.4.130.0100.00816.59
7.4.120.0100.00916.55
7.4.110.0080.00816.64
7.4.100.0170.00416.51
7.4.90.0090.01316.56
7.4.80.0180.00019.39
7.4.70.0100.00716.41
7.4.60.0110.00516.55
7.4.50.0040.00416.53
7.4.40.0060.00922.77
7.4.30.0100.01416.63
7.4.00.0040.01414.89
7.3.330.0000.00613.25
7.3.320.0000.00613.22
7.3.310.0070.00016.17
7.3.300.0000.00616.29
7.3.290.0030.01016.26
7.3.280.0110.00716.26
7.3.270.0070.01017.40
7.3.260.0120.00718.24
7.3.250.0060.01216.45
7.3.240.0070.01716.34
7.3.230.0070.01016.49
7.3.210.0080.00916.31
7.3.200.0080.01119.39
7.3.190.0090.00916.65
7.3.180.0060.01216.62
7.3.170.0100.00616.36
7.3.160.0030.01316.32
7.3.120.0030.01315.14
7.2.330.0030.01316.78
7.2.320.0000.01716.66
7.2.310.0060.01316.70
7.2.300.0060.01016.73
7.2.290.0150.00316.52
7.2.00.0040.01119.19
7.1.100.0060.00318.12
7.1.70.0030.00717.26
7.1.60.0040.00719.17
7.1.50.0070.02016.64
7.1.00.0070.04722.46
7.0.200.0000.00716.93
7.0.140.0030.07322.09
7.0.100.0130.06719.94
7.0.90.0130.07320.02
7.0.80.0070.08319.88
7.0.70.0000.05319.89
7.0.60.0170.07320.05
7.0.50.0070.08020.34
7.0.40.0100.08320.18
7.0.30.0070.08720.06
7.0.20.0070.08720.11
7.0.10.0070.08020.00
7.0.00.0100.08020.10
5.6.280.0030.07020.98
5.6.250.0000.05720.77
5.6.240.0070.07720.67
5.6.230.0030.08320.56
5.6.220.0100.07320.65
5.6.210.0070.08720.59
5.6.200.0000.08721.05
5.6.190.0130.07021.05
5.6.180.0070.08021.11
5.6.170.0100.07321.09
5.6.160.0130.07721.08
5.6.150.0070.08721.02
5.6.140.0070.08321.04
5.6.130.0170.07721.04
5.6.120.0030.08021.05
5.6.110.0100.04021.11
5.6.100.0130.07720.92
5.6.90.0070.07020.94
5.6.80.0100.07720.43
5.6.70.0100.07720.49
5.6.60.0130.04720.45
5.6.50.0200.04020.52
5.6.40.0100.03720.41
5.6.30.0070.04020.40
5.6.20.0100.03720.44
5.6.10.0030.03720.34
5.6.00.0070.05020.48
5.5.380.0030.07320.38
5.5.370.0030.06020.51
5.5.360.0070.08320.30
5.5.350.0100.03720.37
5.5.340.0030.08020.64
5.5.330.0070.08320.73
5.5.320.0030.08020.77
5.5.310.0070.08020.89
5.5.300.0030.06720.93
5.5.290.0100.08720.73
5.5.280.0070.04320.92
5.5.270.0070.08320.82
5.5.260.0070.08720.85
5.5.250.0100.08020.73
5.5.240.0070.07720.20
5.5.230.0000.04720.24
5.5.220.0100.04020.20
5.5.210.0100.03320.29
5.5.200.0030.04720.19
5.5.190.0100.03320.21
5.5.180.0070.04320.11
5.5.160.0070.03320.22
5.5.150.0130.05320.21
5.5.140.0070.08020.26
5.5.130.0070.04720.08
5.5.120.0000.04320.12
5.5.110.0130.03020.26
5.5.100.0000.05020.07
5.5.90.0030.04720.08
5.5.80.0030.04020.16
5.5.70.0030.08020.06
5.5.60.0030.04020.14
5.5.50.0000.04020.06
5.5.40.0030.04720.05
5.5.30.0030.04020.06
5.5.20.0030.05720.08
5.5.10.0070.03720.04
5.5.00.0030.04320.07
5.4.450.0030.06319.48
5.4.440.0130.07319.37
5.4.430.0070.08319.11
5.4.420.0030.08019.27
5.4.410.0200.03319.21
5.4.400.0070.07319.23
5.4.390.0130.06718.81
5.4.380.0030.03719.13
5.4.370.0030.04019.06
5.4.360.0030.03719.12
5.4.350.0030.03718.79
5.4.340.0030.06018.79
5.4.320.0000.04318.95
5.4.310.0030.03719.05
5.4.300.0000.06318.81
5.4.290.0000.05319.02
5.4.280.0030.03719.14
5.4.270.0030.04719.05
5.4.260.0070.06018.96
5.4.250.0070.05719.07
5.4.240.0000.03718.83
5.4.230.0170.02718.80
5.4.220.0030.03719.05
5.4.210.0000.04319.17
5.4.200.0100.02719.27
5.4.190.0070.03018.89
5.4.180.0030.03719.11
5.4.170.0070.03019.02
5.4.160.0000.03718.88
5.4.150.0070.04319.13
5.4.140.0030.04016.38
5.4.130.0000.04716.37
5.4.120.0100.03316.32
5.4.110.0000.03316.27
5.4.100.0000.04316.21
5.4.90.0030.03316.31
5.4.80.0030.03316.33
5.4.70.0070.03016.33
5.4.60.0030.03316.41
5.4.50.0000.04016.37
5.4.40.0100.03016.39
5.4.30.0070.03016.18
5.4.20.0070.04316.21
5.4.10.0000.04016.18
5.4.00.0000.03315.78
5.3.290.0070.03014.65
5.3.280.0000.05714.44
5.3.270.0070.03714.55
5.3.260.0070.03014.61
5.3.250.0030.03714.47
5.3.240.0030.03314.54
5.3.230.0070.03014.46
5.3.220.0030.03714.57
5.3.210.0070.07014.55
5.3.200.0000.03714.52
5.3.190.0030.03714.58
5.3.180.0030.03714.56
5.3.170.0030.04014.52
5.3.160.0000.04314.56
5.3.150.0030.03714.50
5.3.140.0100.02714.41
5.3.130.0100.04714.38
5.3.120.0000.04314.54
5.3.110.0030.03714.54
5.3.100.0030.05014.00
5.3.90.0100.06014.02
5.3.80.0030.07713.87
5.3.70.0070.07314.01
5.3.60.0100.06313.98
5.3.50.0000.07713.92
5.3.40.0200.07313.95
5.3.30.0070.07013.87
5.3.20.0030.07013.65
5.3.10.0070.07013.64
5.3.00.0070.06013.63
5.2.170.0030.06311.34
5.2.160.0030.06011.34
5.2.150.0070.05311.34
5.2.140.0030.04711.34
5.2.130.0130.05311.34
5.2.120.0030.04311.34
5.2.110.0000.03311.34
5.2.100.0100.03711.34
5.2.90.0070.05011.34
5.2.80.0070.06011.34
5.2.70.0030.06011.34
5.2.60.0070.06311.34
5.2.50.0030.06011.34
5.2.40.0070.05311.34
5.2.30.0000.06711.34
5.2.20.0070.05011.34
5.2.10.0070.06711.34
5.2.00.0030.05011.34
5.1.60.0070.02711.34
5.1.50.0100.05011.34
5.1.40.0070.04311.34
5.1.30.0000.05311.34
5.1.20.0070.03011.34
5.1.10.0030.05011.34
5.1.00.0130.04311.34
5.0.50.0070.04311.34
5.0.40.0000.02711.34
5.0.30.0030.06011.34
5.0.20.0030.04311.34
5.0.10.0070.03711.34
5.0.00.0030.06711.34
4.4.90.0070.03011.34
4.4.80.0030.03311.34
4.4.70.0000.03311.34
4.4.60.0000.03011.34
4.4.50.0070.03011.34
4.4.40.0000.06011.34
4.4.30.0000.03711.34
4.4.20.0000.04011.34
4.4.10.0000.03311.34
4.4.00.0000.04711.34
4.3.110.0000.02011.34
4.3.100.0000.02011.34
4.3.90.0000.03711.34
4.3.80.0000.04011.34
4.3.70.0030.02711.34
4.3.60.0030.02311.34
4.3.50.0030.03311.34
4.3.40.0000.04711.34
4.3.30.0000.03711.34
4.3.20.0000.02711.34
4.3.10.0000.03311.34
4.3.00.0030.02011.34

preferences:
50.36 ms | 401 KiB | 5 Q