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']); } $array2 = [ [ 'a' => 1, 'b' => 2, 'c' => 3], [ 'a' => 4, 'b' => 5, 'c' => 6], [ 'a' => 7, 'b' => 8, 'c' => 9] ]; foreach ($array2 as $key => &$val) { unset($val['a']); } echo 'First array: ' . PHP_EOL; foreach ($array as $key => $val) { echo $key . ' => ' . $val['b'] . ', ' . $val['c'] . PHP_EOL; } echo 'Second array: ' . PHP_EOL; foreach ($array2 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)
8.3.60.0070.01018.43
8.3.50.0080.01022.11
8.3.40.0070.01018.64
8.3.30.0000.01418.66
8.3.20.0030.00518.61
8.3.10.0050.00321.27
8.3.00.0060.00321.62
8.2.180.0110.00716.48
8.2.170.0110.00722.96
8.2.160.0140.00420.55
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00521.03
8.2.110.0040.00420.41
8.2.100.0080.00317.72
8.2.90.0000.00819.35
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0080.00018.05
8.2.50.0040.00418.07
8.2.40.0030.00517.91
8.2.30.0080.00019.58
8.2.20.0030.00617.79
8.2.10.0030.00517.79
8.2.00.0040.00417.74
8.1.280.0110.00825.92
8.1.270.0050.00323.99
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0080.00320.68
8.1.230.0080.00321.02
8.1.220.0030.00518.77
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0040.00418.93
8.1.150.0000.00718.60
8.1.140.0040.00417.53
8.1.130.0030.00317.90
8.1.120.0000.00717.47
8.1.110.0030.00517.38
8.1.100.0000.00717.56
8.1.90.0000.00717.53
8.1.80.0030.00317.57
8.1.70.0000.00717.39
8.1.60.0030.00817.53
8.1.50.0000.00717.41
8.1.40.0000.00817.51
8.1.30.0040.00417.57
8.1.20.0040.00417.60
8.1.10.0040.00417.55
8.1.00.0040.00417.56
8.0.300.0000.00719.93
8.0.290.0040.00417.30
8.0.280.0030.00318.36
8.0.270.0070.00017.29
8.0.260.0070.00016.77
8.0.250.0000.00816.98
8.0.240.0000.00917.00
8.0.230.0000.00817.01
8.0.220.0040.00216.85
8.0.210.0030.00316.92
8.0.200.0030.00317.00
8.0.190.0050.00316.91
8.0.180.0000.00716.84
8.0.170.0040.00416.82
8.0.160.0000.00816.97
8.0.150.0040.00416.93
8.0.140.0030.00516.85
8.0.130.0060.00013.36
8.0.120.0000.00816.87
8.0.110.0000.00716.82
8.0.100.0040.00416.84
8.0.90.0040.00416.88
8.0.80.0140.00316.92
8.0.70.0070.00016.86
8.0.60.0080.00016.98
8.0.50.0040.00416.91
8.0.30.0090.01017.20
8.0.20.0090.00917.40
8.0.10.0000.00717.06
8.0.00.0170.00516.68
7.4.330.0000.00516.81
7.4.320.0030.00316.68
7.4.300.0030.00316.64
7.4.290.0000.00716.54
7.4.280.0050.00216.51
7.4.270.0070.00016.60
7.4.260.0000.00513.30
7.4.250.0040.00416.57
7.4.240.0050.00316.45
7.4.230.0000.00716.52
7.4.220.0130.01316.50
7.4.210.0050.01416.69
7.4.200.0030.00316.75
7.4.190.0000.00816.52
7.4.160.0080.00816.45
7.4.150.0090.00917.40
7.4.140.0080.01317.86
7.4.130.0090.00816.53
7.4.120.0100.00916.58
7.4.110.0100.00716.42
7.4.100.0160.00316.39
7.4.90.0090.01216.52
7.4.80.0090.01219.39
7.4.70.0030.01516.54
7.4.60.0170.00716.55
7.4.50.0080.00016.54
7.4.40.0060.00922.77
7.4.30.0100.00916.51
7.4.10.0070.01014.91
7.4.00.0080.01014.78
7.3.330.0000.00513.13
7.3.320.0050.00013.20
7.3.310.0000.00716.27
7.3.300.0030.00316.39
7.3.290.0100.00316.37
7.3.280.0050.01116.34
7.3.270.0170.00717.40
7.3.260.0110.00918.24
7.3.250.0080.00916.53
7.3.240.0130.00316.32
7.3.230.0090.00916.61
7.3.210.0170.00616.57
7.3.200.0110.00619.39
7.3.190.0110.00616.26
7.3.180.0170.00016.55
7.3.170.0120.00916.27
7.3.160.0060.01016.32
7.3.130.0040.01115.04
7.3.120.0080.01015.08
7.3.110.0110.00714.94
7.3.100.0130.00315.14
7.3.90.0070.01014.64
7.3.80.0040.00415.14
7.3.70.0070.00714.98
7.3.60.0030.01314.99
7.3.50.0070.00714.75
7.3.40.0000.00914.68
7.3.30.0070.00714.84
7.3.20.0070.00416.43
7.3.10.0070.00716.68
7.3.00.0000.00816.73
7.2.330.0130.00416.75
7.2.320.0000.02316.68
7.2.310.0110.00716.73
7.2.300.0100.00716.74
7.2.290.0110.00716.72
7.2.260.0070.01415.16
7.2.250.0090.00915.14
7.2.240.0000.01514.98
7.2.230.0060.00915.23
7.2.220.0130.00314.98
7.2.210.0080.00815.03
7.2.200.0080.00815.20
7.2.190.0030.00915.25
7.2.180.0100.00315.08
7.2.170.0100.00714.91
7.2.160.0060.00914.70
7.2.150.0040.00816.91
7.2.140.0030.00616.74
7.2.130.0070.00516.89
7.2.120.0030.00816.95
7.2.110.0060.00616.81
7.2.100.0050.00716.86
7.2.90.0060.00616.94
7.2.80.0050.00717.01
7.2.70.0060.00917.02
7.2.60.0030.00916.96
7.2.50.0040.01016.90
7.2.40.0000.01316.98
7.2.30.0070.00416.94
7.2.20.0050.00816.75
7.2.10.0030.01116.92
7.2.00.0040.00717.78
7.1.330.0100.00315.93
7.1.320.0060.00315.79
7.1.310.0040.00715.78
7.1.300.0060.01015.65
7.1.290.0090.00315.71
7.1.280.0070.00715.78
7.1.270.0040.00415.70
7.1.260.0100.00615.66
7.1.250.0090.00415.73
7.1.240.0000.01015.97
7.1.230.0030.00915.63
7.1.220.0100.00315.87
7.1.210.0090.00615.86
7.1.200.0070.00715.87
7.1.190.0000.01215.79
7.1.180.0000.01615.75
7.1.170.0060.00615.79
7.1.160.0030.00915.73
7.1.150.0070.00715.73
7.1.140.0070.00715.87
7.1.130.0110.00315.98
7.1.120.0060.00615.52
7.1.110.0060.00615.85
7.1.100.0030.00616.74
7.1.90.0100.00315.58
7.1.80.0000.00815.96
7.1.70.0050.00716.58
7.1.60.0070.00516.63
7.1.50.0090.00916.38
7.1.40.0040.00415.85
7.1.30.0070.00715.73
7.1.20.0090.00315.79
7.1.10.0090.00315.76
7.1.00.0020.02218.95
7.0.330.0060.00615.16
7.0.320.0030.01215.46
7.0.310.0000.00815.31
7.0.300.0040.00815.48
7.0.290.0070.01015.49
7.0.280.0100.00315.46
7.0.270.0030.01015.45
7.0.260.0090.00615.46
7.0.250.0110.00415.33
7.0.240.0060.00315.46
7.0.230.0040.00415.36
7.0.220.0120.00315.49
7.0.210.0080.00515.48
7.0.200.0050.01116.11
7.0.190.0040.00415.33
7.0.180.0040.00915.15
7.0.170.0050.00815.29
7.0.160.0080.00415.23
7.0.150.0070.01015.43
7.0.140.0020.04218.69
7.0.130.0070.00715.50
7.0.120.0040.00715.30
7.0.110.0060.00315.40
7.0.100.0180.04317.76
7.0.90.0100.04717.79
7.0.80.0160.02917.71
7.0.70.0200.04217.77
7.0.60.0150.04217.41
7.0.50.0100.04617.79
7.0.40.0130.02316.68
7.0.30.0090.04116.79
7.0.20.0100.03216.77
7.0.10.0080.04216.86
7.0.00.0030.05116.80
5.6.400.0000.01514.45
5.6.390.0100.00614.36
5.6.380.0040.00814.58
5.6.370.0070.00314.62
5.6.360.0030.01014.30
5.6.350.0100.00314.36
5.6.340.0030.01014.62
5.6.330.0120.00314.34
5.6.320.0030.00613.97
5.6.310.0000.01614.05
5.6.300.0090.00614.26
5.6.290.0030.01014.31
5.6.280.0020.05517.63
5.6.270.0060.00314.07
5.6.260.0070.00714.68
5.6.250.0100.03017.61
5.6.240.0060.04717.61
5.6.230.0080.04517.52
5.6.220.0050.04717.58
5.6.210.0070.03317.45
5.6.200.0060.04517.74
5.6.190.0050.04217.74
5.6.180.0060.03317.62
5.6.170.0030.04817.79
5.6.160.0050.03617.76
5.6.150.0100.03617.77
5.6.140.0080.03517.79
5.6.130.0100.03017.76
5.6.120.0030.03117.55
5.6.110.0050.03317.58
5.6.100.0000.05017.70
5.6.90.0080.04117.73
5.6.80.0080.04417.42
5.6.70.0100.03917.25
5.6.60.0050.04017.42
5.6.50.0100.04017.21
5.6.40.0090.03117.23
5.6.30.0150.03417.31
5.6.20.0070.03817.35
5.6.10.0080.04117.39
5.6.00.0120.05017.33
5.5.380.0110.04017.36
5.5.370.0090.02817.31
5.5.360.0050.02817.28
5.5.350.0070.04517.48
5.5.340.0100.04217.58
5.5.330.0040.02717.56
5.5.320.0080.02517.37
5.5.310.0050.03817.52
5.5.300.0040.04417.66
5.5.290.0100.02417.75
5.5.280.0050.03817.51
5.5.270.0080.04517.62
5.5.260.0130.04317.38
5.5.250.0100.04317.41
5.5.240.0060.04317.05
5.5.230.0020.04617.21
5.5.220.0050.04717.29
5.5.210.0030.04617.35
5.5.200.0030.04217.10
5.5.190.0120.04016.99
5.5.180.0070.04717.07
5.5.170.0070.00714.14
5.5.160.0080.02817.07
5.5.150.0050.03517.19
5.5.140.0060.02617.16
5.5.130.0100.04017.04
5.5.120.0060.04017.22
5.5.110.0090.02917.06
5.5.100.0110.03817.09
5.5.90.0200.02417.13
5.5.80.0070.04417.27
5.5.70.0070.04517.24
5.5.60.0120.03616.98
5.5.50.0070.03317.20
5.5.40.0060.03616.93
5.5.30.0080.04317.15
5.5.20.0050.04717.21
5.5.10.0000.04917.21
5.5.00.0090.04117.06
5.4.450.0030.03615.23
5.4.440.0100.04215.18
5.4.430.0110.03715.14
5.4.420.0050.03015.03
5.4.410.0030.03815.00
5.4.400.0100.03715.11
5.4.390.0090.02814.84
5.4.380.0090.03014.98
5.4.370.0050.04414.97
5.4.360.0100.02015.04
5.4.350.0020.04514.96
5.4.340.0040.03014.84
5.4.330.0060.00610.86
5.4.320.0020.05114.91
5.4.310.0070.03714.88
5.4.300.0030.04514.96
5.4.290.0080.03615.12
5.4.280.0070.03414.92
5.4.270.0080.04014.79
5.4.260.0100.04114.97
5.4.250.0020.04315.02
5.4.240.0040.03414.95
5.4.230.0040.02514.97
5.4.220.0110.02314.81
5.4.210.0080.04115.00
5.4.200.0050.04314.88
5.4.190.0050.03914.95
5.4.180.0080.03714.94
5.4.170.0080.03314.93
5.4.160.0020.03314.82
5.4.150.0080.04114.88
5.4.140.0020.04813.55
5.4.130.0020.04213.63
5.4.120.0020.04213.71
5.4.110.0070.02313.64
5.4.100.0100.03013.54
5.4.90.0030.02313.68
5.4.80.0080.03113.72
5.4.70.0050.04113.59
5.4.60.0060.04213.47
5.4.50.0110.02713.56
5.4.40.0050.02713.64
5.4.30.0060.03813.64
5.4.20.0080.03713.74
5.4.10.0040.02613.67
5.4.00.0030.02313.19
5.3.290.0050.03712.36
5.3.280.0090.02912.29
5.3.270.0050.04112.27
5.3.260.0060.03612.27
5.3.250.0030.04412.29
5.3.240.0030.04312.29
5.3.230.0020.04112.27
5.3.220.0070.02312.21
5.3.210.0080.03912.35
5.3.200.0070.02512.29
5.3.190.0070.02712.42
5.3.180.0030.03112.42
5.3.170.0070.04012.33
5.3.160.0080.03612.32
5.3.150.0080.02812.32
5.3.140.0110.03112.35
5.3.130.0070.03312.32
5.3.120.0030.04212.35
5.3.110.0020.02512.26
5.3.100.0050.02212.14
5.3.90.0000.02812.21
5.3.80.0090.03311.99
5.3.70.0020.04011.98
5.3.60.0060.03811.98
5.3.50.0050.04011.97
5.3.40.0030.04112.06
5.3.30.0050.03811.90
5.3.20.0050.04111.76
5.3.10.0070.02811.66
5.3.00.0030.03911.75
5.2.170.0030.06311.09
5.2.160.0000.05311.18
5.2.150.0100.05711.06
5.2.140.0100.06011.09
5.2.130.0070.06311.01
5.2.120.0000.06311.13
5.2.110.0100.05311.10
5.2.100.0070.05711.08
5.2.90.0030.05311.13
5.2.80.0070.06011.08
5.2.70.0030.03311.14
5.2.60.0030.05011.00
5.2.50.0030.05711.00
5.2.40.0070.03011.06
5.2.30.0070.05711.00
5.2.20.0030.03710.95
5.2.10.0030.05010.91
5.2.00.0100.05310.63
5.1.60.0070.03010.04
5.1.50.0030.05710.06
5.1.40.0000.0609.96
5.1.30.0070.04310.41
5.1.20.0100.03010.40
5.1.10.0070.05710.10
5.1.00.0030.06310.06
5.0.50.0070.0408.63
5.0.40.0100.0338.41
5.0.30.0030.0608.23
5.0.20.0000.0408.30
5.0.10.0030.0308.23
5.0.00.0030.0608.23
4.4.90.0070.0238.23
4.4.80.0030.0308.23
4.4.70.0000.0178.23
4.4.60.0000.0178.23
4.4.50.0070.0408.23
4.4.40.0000.0608.23
4.4.30.0030.0338.23
4.4.20.0070.0278.23
4.4.10.0000.0378.23
4.4.00.0030.0578.23
4.3.110.0000.0178.23
4.3.100.0000.0338.23
4.3.90.0000.0338.23
4.3.80.0030.0538.23
4.3.70.0030.0238.23
4.3.60.0000.0378.23
4.3.50.0000.0408.23
4.3.40.0000.0338.23
4.3.30.0000.0308.23
4.3.20.0000.0378.23
4.3.10.0000.0308.23
4.3.00.0000.0408.23

preferences:
40.02 ms | 401 KiB | 5 Q